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±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E


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19-0175; 3/05
±15kV ESD-Protected, RS-232 Transceivers
MAX202E-MAX213E, MAX232E/MAX241E line drivers/receivers designed RS-232 V.28 communications harsh environments. Each transmitter output receiver input protected against ±15kV electrostatic discharge (ESD) shocks, without latchup. various combinations features outlined Selector Guide. drivers receivers devices meet EIA/TIA-232E CCITT V.28 specifications data rates 120kbps, when loaded accordance with EIA/TIA-232E specification. MAX211E/MAX213E/MAX241E available 28pin packages, well 28-pin SSOP that uses less board space. MAX202E/MAX232E come 16-pin TSSOP, narrow wide packages. MAX203E comes 20-pin DIP/SO package, needs external charge-pump capacitors. MAX205E comes 24-pin wide package, also eliminates external charge-pump capacitors. MAX206E/MAX207E/MAX208E come 24-pin SSOP, narrow packages. MAX232E/MAX241E operate with four capacitors, while MAX211E/MAX213E operate with four 0.1µF capacitors, further reducing cost board space.
Next-Generation Device Features
Low-Voltage Applications MAX3246E: ±15kV ESD-Protected Down 10nA, +3.0V +5.5V, 1Mbps, True RS-232 Transceivers (MAX3246E Available UCSPPackage) Low-Power Applications MAX3221/MAX3223/MAX3243: Supply Current, True +5.5V RS-232 Transceivers with Auto-Shutdowno Space-Constrained Applications MAX3233E/MAX3235E: ±15kV ESD-Protected, 1µA, 250kbps, +3.0V/+5.5V, Dual RS-232 Transceivers with Internal Capacitors Low-Voltage Data Cable Applications MAX3380E/MAX3381E: +2.35V +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers with ±15kV ESDProtected Logic Pins
MAX202E-MAX213E, MAX232E/MAX241E
Ordering Information
PART MAX202ECPE MAX202ECSE TEMP RANGE +70°C +70°C PIN-PACKAGE Plastic Narrow
_Applications
Notebook, Subnotebook, Palmtop Computers Battery-Powered Equipment Hand-Held Equipment
Ordering Information continued data sheet. Configurations Typical Operating Circuits appear data sheet. AutoShutdown UCSP trademarks Maxim Integrated Products, Inc.
Selector Guide
PART RS-232 DRIVERS RS-232 RECEIVERS RECEIVERS ACTIVE SHUTDOWN EXTERNAL CAPACITORS (µF) (0.1) None None (0.1) (0.1) (0.1) (0.1) (0.1) LOW-POWER SHUTDOWN TRISTATE
MAX202E MAX203E MAX205E MAX206E MAX207E MAX208E MAX211E MAX213E MAX232E MAX241E
Maxim Integrated Products
pricing, delivery, ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, visit Maxim's website www.maxim-ic.com.
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
ABSOLUTE MAXIMUM RATINGS
VCC.-0.3V .(VCC 0.3V) +14V .-14V +0.3V Input Voltages T_IN .-0.3V 0.3V) R_IN .±30V Output Voltages T_OUT.(V- 0.3V) 0.3V) R_OUT .-0.3V (VCC 0.3V) Short-Circuit Duration, T_OUT.Continuous Continuous Power Dissipation +70°C) 16-Pin Plastic (derate 10.53mW/°C above +70°C).842mW 16-Pin Narrow (derate 8.70mW/°C above +70°C) .696mW 16-Pin Wide (derate 9.52mW/°C above +70°C) .762mW 16-Pin TSSOP (derate 9.4mW/°C above +70°C) .755mW 20-Pin Plastic (derate 11.11mW/°C above +70°C).889mW 20-Pin (derate 10.00mW/°C above +70°C).800mW 24-Pin Narrow Plastic (derate 13.33mW/°C above +70°C) .1.07W 24-Pin Wide Plastic (derate 14.29mW/°C above +70°C) .1.14W 24-Pin (derate 11.76mW/°C above +70°C).941mW 24-Pin SSOP (derate 8.00mW/°C above +70°C) .640mW 28-Pin (derate 12.50mW/°C above +70°C).1W 28-Pin SSOP (derate 9.52mW/°C above +70°C) .762mW Operating Temperature Ranges MAX2_ _EC_ .0°C +70°C MAX2_ _EE_ _.-40°C +85°C Storage Temperature Range .-65°C +165°C Lead Temperature (soldering, 10s) .+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated operational sections specifications implied. Exposure absolute maximum rating conditions extended periods affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC ±10% MAX203E/205E/207E; C1-C4 0.1µF C1-C4 MAX232E/241E; TMIN TMAX; unless otherwise noted. Typical values +25°C.) PARAMETER CHARACTERISTICS MAX202E/203E MAX205E-208E Supply Current load, +25°C MAX211E/213E MAX232E MAX241E MAX205E/206E Shutdown Supply Current LOGIC Input Pullup Current Input Leakage Current Input Threshold T_IN (MAX205E-208E/211E/213E/241E) T_IN (MAX202E/203E/232E) T_IN; SHDN (MAX213E) SHDN (MAX205E-208E/211E/241E) T_IN Input Threshold High SHDN (MAX213E) SHDN (MAX205E-208E/211E/241E) R_OUT; IOUT 3.2mA (MAX202E/203E/232E) IOUT 1.6mA (MAX205E/208E/211E/213E/241E) R_OUT; IOUT -1.0mA VCC, ROUT VCC, MAX205E-208E/211E/213E/241E outputs disabled ±0.05 +25°C, Figure MAX211E/241E MAX213E SYMBOL CONDITIONS UNITS
Output-Voltage Output-Voltage High Output Leakage Current
±15kV ESD-Protected, RS-232 Transceivers
ELECTRICAL CHARACTERISTICS (continued)
(VCC ±10% MAX203E/205E/207E; C1-C4 0.1µF C1-C4 MAX232E/241E; TMIN TMAX; unless otherwise noted. Typical values +25°C.) PARAMETER Input Voltage Range parts, normal operation Input Threshold +25°C, MAX213E, SHDN parts, normal operation Input Threshold High Input Hysteresis Input Resistance EIA/TIA-232E TRANSMITTER OUTPUTS Output Voltage Swing Output Resistance Output Short-Circuit Current TIMING CHARACTERISTICS Maximum Data Rate tPLHR, tPHLR 50pF 1000pF, transmitter switching parts, normal operation Receiver Propagation Delay 150pF MAX213E (R4, R5), SHDN kbps drivers loaded with ground (Note VOUT +25°C, MAX213E (R4, R5), SHDN SYMBOL CONDITIONS UNITS
MAX202E-MAX213E, MAX232E/MAX241E
EIA/TIA-232E RECEIVER INPUTS
hysteresis shutdown +25°C,
Receiver Output Enable Time Receiver Output Disable Time Transmitter Propagation Delay tPLHT, tPHLT
MAX205E/206E/211E/213E/241E normal operation, Figure MAX205E/206E/211E/213E/241E normal operation, Figure 2500pF, transmitters loaded +25°C, 50pF 1000pF, measured from -3V, Figure
Transition-Region Slew Rate
V/µs
PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS Human Body Model ESD-Protection Voltage IEC1000-4-2, Contact Discharge IEC1000-4-2, Air-Gap Discharge Note MAX211EE_ MAX213EE_ tested with ±5%. Note MAX211EE_ tested with ±5%.
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Typical Operating Characteristics
(Typical Operating Circuits, +5V, +25°C, unless otherwise noted.)
MAX202E/MAX203E TRANSMITTER OUTPUT VOLTAGE LOAD CAPACITANCE
MAX202E-TOC1 MAX202E-TOC2
MAX232E TRANSMITTER OUTPUT VOLTAGE LOAD CAPACITANCE
VOH, -VOL 5.0V 4.5V 1000 2000 3000 4000 5000 LOAD CAPACITANCE (pF) 5.5V TRANSMITTERS LOADED DATA RATE 120kbps VOH, -VOL
MAX241E TRANSMITTER OUTPUT VOLTAGE LOAD CAPACITANCE
TRANSMITTERS LOADED DATA RATE 120kbps 5.5V
MAX202E-TOC3
TRANSMITTERS LOADED DATA RATE 120kbps
VOH, -VOL
5.5V 5.0V
5.0V
4.5V 1000 2000 3000 4000 5000
4.5V 1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX211E/MAX213E TRANSMITTER OUTPUT VOLTAGE LOAD CAPACITANCE
MAX202E-TOC4
MAX211E/MAX213E/MAX241E TRANSMITTER SLEW RATE LOAD CAPACITANCE
TRANSMITTERS LOADED DATA RATE 120kbps
MAX202E-TOC5
VOH, -VOL 4.5V 1000 2000 5.0V 3000 4000 TRANSMITTERS LOADED DATA RATE 120kbps
SLEW RATE V/µs) -SLEW RATE +SLEW RATE
5.5V
5000
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Typical Operating Characteristics (continued)
(Typical Operating Circuits, +5V, +25°C, unless otherwise noted.)
MAX205E-MAX208E TRANSMITTER OUTPUT VOLTAGE LOAD CAPACITANCE
20kbps 120kbps 240kbps SLEW RATE (V/µs) -2.5 240kbps -5.0 -7.5 1000 2000 3000 4000 5000 1000 2000 3000 4000 5000 LOAD CAPACITANCE (pF) LOAD CAPACITANCE (pF) 120kbps 20kbps +4.5V, TRANSMITTER FULL DATA RATE TRANSMITTERS DATA RATE
MAX202E TOC-07 MAX202E-TOC6
MAX202E/MAX203E/MAX232E TRANSMITTER SLEW RATE LOAD CAPACITANCE
SLEW RATE V/µs) -SLEW RATE +SLEW RATE TRANSMITTERS LOADED DATA RATE 120kbps OUTPUT VOLTAGE
MAX205E-MAX208E TRANSMITTER SLEW RATE LOAD CAPACITANCE
1000 2000 3000 4000 5000 LOAD CAPACITANCE (pF) RISE FALL +4.5V, TRANSMITTER FULL DATA RATE TRANSMITTERS DATA RATE
MAX202E TOC-08
MAX205E-MAX208E SUPPLY CURRENT LOAD CAPACITANCE
MAX202E TOC-09
MAX205E-MAX208E OUTPUT VOLTAGE DATA RATE
OUTPUT VOLTAGE -2.5 -5.0 VOUTV0 DATA RATE (kbps) VOUT+ +4.5V, TRANSMITTER FULL DATA RATE TRANSMITTERS DATA RATE
MAX202E TOC-10
240kbps SUPPLY CURRENT (mA) 1000 2000 3000 4000 20kbps +4.5V, TRANSMITTER FULL DATA RATE TRANSMITTERS DATA RATE 120kbps
10.0
-7.5 -10.0 5000
LOAD CAPACITANCE (pF)
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Descriptions
MAX202E/MAX232E
DIP/SO/TSSOP NAME C1+, C1V+ C2+, C2VT_OUT R_IN R_OUT T_IN N.C. FUNCTION Terminals Positive Charge-Pump Capacitor +2VCC Voltage Generated Charge Pump Terminals Negative Charge-Pump Capacitor -2VCC Voltage Generated Charge Pump RS-232 Driver Outputs RS-232 Receiver Inputs RS-232 Receiver Outputs RS-232 Driver Inputs Ground +4.5V +5.5V Supply-Voltage Input Connection-Not Internally Connected
MAX203E
4,19 5,18 NAME T_IN R_OUT R_IN T_OUT C2VC1V+ FUNCTION RS-232 Driver Inputs RS-232 Receiver Outputs RS-232 Receiver Inputs RS-232 Transmitter Outputs Ground +4.5V +5.5V Supply-Voltage Input Make connection this pin. Connect pins together. -2VCC Voltage Generated Charge Pump. Connect pins together. Make connection this pin. +2VCC Voltage Generated Charge Pump Connect pins together.
MAX205E
1-4, NAME T_OUT R_IN R_OUT T_IN SHDN FUNCTION RS-232 Driver Outputs RS-232 Receiver Inputs TTL/CMOS Receiver Outputs. receivers inactive shutdown. TTL/CMOS Driver Inputs. Internal pullups VCC. Ground +4.75V +5.25V Supply Voltage Receiver Enable-Active Shutdown Control-Active High
±15kV ESD-Protected, RS-232 Transceivers
_Pin Descriptions (continued)
MAX206E
NAME T_OUT R_IN R_OUT T_IN C1+, C1V+ C2+, C2VEN SHDN FUNCTION RS-232 Driver Outputs RS-232 Receiver Inputs TTL/CMOS Receiver Outputs. receivers inactive shutdown. TTL/CMOS Driver Inputs. Internal pullups VCC. Ground +4.5V +5.5V Supply Voltage Terminals Positive Charge-Pump Capacitor +2VCC Generated Charge Pump Terminals Negative Charge-Pump Capacitor -2VCC Generated Charge Pump Receiver Enable-Active Shutdown Control-Active High
MAX202E-MAX213E, MAX232E/MAX241E
MAX207E
NAME T_OUT R_IN R_OUT T_IN C1+, C1V+ C2+, C2VFUNCTION RS-232 Driver Outputs RS-232 Receiver Inputs TTL/CMOS Receiver Outputs. receivers inactive shutdown. TTL/CMOS Driver Inputs. Internal pullups VCC. Ground +4.75V +5.25V Supply Voltage Terminals Positive Charge-Pump Capacitor +2VCC Generated Charge Pump Terminals Negative Charge-Pump Capacitor -2VCC Generated Charge Pump
MAX208E
NAME T_OUT R_IN R_OUT T_IN C1+, C1V+ C2+, C2VFUNCTION RS-232 Driver Outputs RS-232 Receiver Inputs TTL/CMOS Receiver Outputs. receivers inactive shutdown. TTL/CMOS Driver Inputs. Internal pullups VCC. Ground +4.5V +5.5V Supply Voltage Terminals Positive Charge-Pump Capacitor +2VCC Generated Charge Pump Terminals Negative Charge-Pump Capacitor -2VCC Generated Charge Pump
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Descriptions (continued)
MAX211E/MAX213E/MAX241E
NAME T_OUT R_IN R_OUT T_IN C1+, C1V+ C2+, C2VEN SHDN SHDN FUNCTION RS-232 Driver Outputs RS-232 Receiver Inputs TTL/CMOS Receiver Outputs. MAX213E, receivers active shutdown mode when MAX211E MAX241E, receivers inactive shutdown. TTL/CMOS Driver Inputs. Only MAX211E, MAX213E, MAX241E have internal pullups VCC. Ground +4.5V +5.5V Supply Voltage Terminals Positive Charge-Pump Capacitor +2VCC Voltage Generated Charge Pump Terminals Negative Charge-Pump Capacitor -2VCC Voltage Generated Charge Pump Receiver Enable-Active (MAX211E, MAX241E) Receiver Enable-Active High (MAX213E) Shutdown Control-Active High (MAX211E, MAX241E) Shutdown Control-Active (MAX213E)
ISHDN +5.5V 0.1µF* 0.1µF* C1VCC 0.1µF* 0.1µF* INPUT OUTPUT ENABLE TIME +3.5V RECEIVER OUTPUT 150pF +0.8V
MAX206E MAX213E MAX241E
0.1µF*
MAX211E
C2400k
+5.5V
T_IN R_OUT
T_OUT R_IN +5.5V NOTE: POLARITY REVERSED MAX213E INPUT
OUTPUT DISABLE TIME 0.1V 0.1V +2.5V
+5.5V DRIVE +5.5V (0V) MAX213E
(EN) SHDN (SHDN)
RECEIVER OUTPUTS
MAX241E
CAPACITORS POLARIZED UNPOLARIZED
Figure Shutdown-Current Test Circuit (MAX206E, MAX211E/MAX213E/MAX241E)
Figure Receiver Output Enable Disable Timing
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
0.1µF* 0.1µF* C1VCC 0.1µF* 0.1µF*
0.1µF* 0.1µF* C1VCC
0.1µF*
0.1µF*
MAX2_
0.1µF* C2400k T_IN R_OUT (+5V) (+5V) (EN) SHDN (SHDN)
V0.1µF*
MAX2_
400k T_OUT 2500pF R_OUT (+5V) (+5V) (EN) SHDN (SHDN) MAXIMUM SLEW-RATE TEST CIRCUIT MAX213E MAX232E/MAX241E T_IN T_OUT 50pF
R_IN
R_IN
MINIMUM SLEW-RATE TEST CIRCUIT
TRANSMITTER INPUT PULL-UP RESISTORS, ENABLE, SHUTDOWN PROVIDED MAX202E, MAX203E, MAX232E. ENABLE SHUTDOWN PROVIDED MAX207E MAX208E.
Figure Transition Slew-Rate Circuit
_Detailed Description
MAX202E-MAX213E, MAX232E/MAX241E consist three sections: charge-pump voltage converters, drivers (transmitters), receivers. These versions provide extra protection against ESD. They survive ±15kV discharges RS-232 inputs outputs, tested using Human Body Model. When tested according IEC1000-4-2, they survive ±8kV contactdischarges ±15kV air-gap discharges. rugged versions intended harsh environments applications where RS-232 connection frequently changed (such notebook computers). standard (non-"E") MAX202, MAX203, MAX205- MAX208, MAX211, MAX213, MAX232, MAX241 recommended applications where cost critical.
into -10V, storing -10V output filter capacitor, shutdown mode, internally connected pull-down resistor, internally connected ground pull resistor.
RS-232 Drivers
With typical driver output voltage swing when loaded with nominal RS-232 receiver. output swing guaranteed meet EIA/TIA-232E V.28 specifications that call minimum output levels under worst-case conditions. These include load, minimum maximum operating temperature. open-circuit output voltage swings from 0.6V) Input thresholds CMOS/TTL compatible. unused drivers' inputs MAX205E-MAX208E, MAX211E, MAX213E, MAX241E left unconnected because 400k pull resistors included on-chip. Since drivers invert, pull resistors force unused drivers' outputs low. MAX202E, MAX203E, MAX232E have pull resistors transmitter inputs.
±10V Dual Charge-Pump Voltage Converter
±10V conversion performed dual charge-pump voltage converters (Figure first charge-pump converter uses capacitor double into +10V, storing +10V output filter capacitor, second uses invert +10V
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
VC2GND ILRL-
fCLK
PART MAX202E MAX203E MAX205E-208E MAX211E/213E MAX232E MAX241E
fCLK (kHz)
Figure Charge-Pump Diagram
When low-power shutdown mode, MAX205E/ MAX206E/MAX211E/MAX213E/MAX241E driver outputs turned draw only leakage currents-even they back-driven with voltages between 12V. Below -0.5V shutdown, transmitter output diode-clamped ground with series impedance.
Shutdown Enable Control (MAX205E/MAX206E/MAX211E/ MAX213E/MAX241E)
shutdown mode, charge pumps turned off, pulled down VCC, pulled ground, transmitter outputs disabled. This reduces supply current typically (15µA MAX213E). time required exit shutdown under 1ms, shown Figure Receivers MAX213E receivers, except into high-impedance state shutdown mode (see Tables 1b). MAX213E's receivers still function shutdown mode. These awake-inshutdown receivers monitor external activity while maintaining minimal power consumption. enable control used receiver outputs into high-impedance state, allow wire-OR connection EIA/TIA-232E ports ports different types) UART. effect RS-232 drivers charge pumps. Note: enable control active MAX211E/MAX241E (EN), active high MAX213E (EN). shutdown control active high MAX205E/MAX206E/MAX211E/MAX241E (SHDN), active MAX213E (SHDN).
RS-232 Receivers
receivers convert RS-232 signals CMOS-logic output levels. guaranteed 0.8V 2.4V receiver input thresholds significantly tighter than thresholds required EIA/TIA-232E specification. This allows receiver inputs respond TTL/CMOSlogic levels, well RS-232 levels. guaranteed 0.8V input threshold ensures that receivers shorted ground have logic output. input resistance ground ensures that receiver with input left open will also have logic output. Receiver inputs have approximately 0.5V hysteresis. This provides clean output transitions, even with slow rise/fall-time signals with moderate amounts noise ringing. shutdown, MAX213E's receivers have hysteresis.
±15kV ESD-Protected, RS-232 Transceivers
MAX213E's receiver propagation delay typically 0.5µs normal operation. shutdown mode, propagation delay increases both rising falling transitions. MAX213E's receiver inputs have approximately 0.5V hysteresis, except shutdown, when receivers have hysteresis. When entering shutdown with receivers active, valid until 80µs after SHDN driven low. When coming shutdown, receiver outputs invalid until charge pumps reach nominal voltage levels (less than when using 0.1µF capacitors).
MAX202E-MAX213E, MAX232E/MAX241E
MAX211E
-10V SHDN
±15kV Protection
with Maxim devices, ESD-protection structures incorporated pins protect against electrostatic discharges encountered during handling assembly. driver outputs receiver inputs have extra protection against static electricity. Maxim's engineers developed state-of-the-art structures protect these pins against ±15kV without damage. structures withstand high states: normal operation, shutdown, powered down. After event, Maxim's versions keep working without latchup, whereas competing RS-232 products latch must powered down remove latchup. protection tested various ways; transmitter outputs receiver inputs this product family characterized protection following limits: ±15kV using Human Body Model ±8kV using contact-discharge method specified IEC1000-4-2 ±15kV using IEC1000-4-2's air-gap method. Test Conditions performance depends variety conditions. Contact Maxim reliability report that documents test set-up, test methodology, test results. Human Body Model Figure shows Human Body Model, Figure shows current waveform generates when discharged into impedance. This model consists 100pF capacitor charged voltage interest, which then discharged into test device through 1.5k resistor.
200µs/div
Figure MAX211E when Exiting Shutdown (0.1µF capacitors)
Table MAX205E/MAX206E/MAX211E/ MAX241E Control Configurations
SHDN OPERATION STATUS Normal Operation Normal Operation Shutdown Active Active High-Z Active High-Z High-Z
Don't care.
Table MAX213E Control Configurations
SHDN OPERATION STATUS Shutdown Shutdown Normal Operation Normal Operation High-Z High-Z Active Active High-Z High-Z High-Z Active High-Z Active* High-Z Active
*Active active with reduced performance
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
CHARGE-CURRENTLIMIT RESISTOR HIGHVOLTAGE SOURCE
1500 DISCHARGE RESISTANCE DEVICE UNDER TEST
100% AMPERES 36.8% TIME
PEAK-TO-PEAK RINGING (NOT DRAWN SCALE)
100pF
STORAGE CAPACITOR
CURRENT WAVEFORM
Figure Human Body Test Model
Figure Human Body Model Current Waveform
100M CHARGE-CURRENTLIMIT RESISTOR HIGHVOLTAGE SOURCE DISCHARGE RESISTANCE DEVICE UNDER TEST
100%
150pF
STORAGE CAPACITOR
PEAK
Figure IEC1000-4-2 Test Model
0.7ns
30ns 60ns
IEC1000-4-2 IEC1000-4-2 standard covers testing performance finished equipment; does specifically refer integrated circuits. MAX202E/MAX203E-MAX213E, MAX232E/MAX241E help design equipment that meets level (the highest level) IEC1000-4-2, without need additional ESD-protection components. major difference between tests done using Human Body Model IEC1000-4-2 higher peak current IEC1000-4-2, because series resistance lower IEC1000-4-2 model. Hence, withstand voltage measured IEC1000-4-2 generally lower than that measured using Human Body Model. Figure shows current waveform IEC1000-4-2 level-four contact-discharge test.
Figure IEC1000-4-2 Generator Current Waveform
air-gap test involves approaching device with charged probe. contact-discharge method connects probe device before probe energized. Machine Model Machine Model tests pins using 200pF storage capacitor zero discharge resistance. objective emulate stress caused contact that occurs with handling assembly during manufacturing. course, pins require this protection during manufacturing, just RS-232 inputs outputs. Therefore, after board assembly, Machine Model less relevant ports.
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Applications Information
Capacitor Selection
capacitor type used C1-C4 critical proper operation. MAX202E, MAX206-MAX208E, MAX211E, MAX213E require 0.1µF capacitors, MAX232E MAX241E require capacitors, although cases capacitors 10µF used without harm. Ceramic, aluminumelectrolytic, tantalum capacitors suggested capacitors, ceramic dielectrics suggested 0.1µF capacitors. When using minimum recommended capacitor values, make sure capacitance value does degrade excessively operating temperature varies. doubt, capacitors with larger (e.g., nominal value. capacitors' effective series resistance (ESR), which usually rises temperatures, influences amount ripple larger capacitors 10µF) reduce output impedance This useful when "stealing" power from from MAX203E MAX205E have internal charge-pump capacitors. Bypass ground with least 0.1µF. applications sensitive power-supply noise generated charge pumps, decouple ground with capacitor same size larger than) chargepump capacitors (C1-C4).
Power Supplies
small amount power drawn from although this will reduce both driver output swing noise margins. Increasing value charge-pump capacitors 10µF) helps maintain performance when power drawn from
Driving Multiple Receivers
Each transmitter designed drive single receiver. Transmitters paralleled drive multiple receivers.
Driver Outputs when Exiting Shutdown
driver outputs display ringing undesirable transients they come shutdown.
High Data Rates
These transceivers maintain RS-232 ±5.0V minimum driver output voltages data rates over 120kbps. data rates above 120kbps, refer Transmitter Output Voltage Load Capacitance graphs Typical Operating Characteristics. Communication these high rates easier capacitive loads transmitters small; i.e., short cables best.
Table Summary EIA/TIA-232E, V.28 Specifications
PARAMETER Level Driver Output Voltage Level Driver Output Level, Data Rate Level Receiver Input Voltage Level Receiver Input Level Instantaneous Slew Rate, Driver Output Short-Circuit Current, V.28 Transition Rate Driver Output EIA/TIA-232E Driver Output Resistance VOUT period 2500pF -15V ±25V 30V/µs 100mA period load load 2500pF -15V ±25V 20kbps +15V CONDITIONS load EIA/TIA-232E, V.28 SPECIFICATIONS +15V
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
Table Cable Connections Commonly Used EIA/TIAE-232E V.24 Asynchronous Interfaces
CONNECTION Received Line Signal Detector (sometimes called Carrier Detect, DCD) Receive Data (RD) Transmit Data (TD) Data Terminal Ready Signal Ground Data Ready (DSR) Request Send (RTS) Clear Send (CTS) Ring Indicator
Handshake from
Data from Data from Handshake from Reference point signals Handshake from Handshake from Handshake from Handshake from
_Pin Configurations Typical Operating Circuits (continued)
VIEW
INPUT 0.1µF 0.1µF* 6.3V +10V -10V 0.1µF*
0.1µF* 6.3V T2OUT R2IN T1OUT TTL/CMOS INPUTS 0.1µF*
+10V VOLTAGE DOUBLER +10V -10V VOLTAGE INVERTER
MAX202E MAX232E
R1IN R1OUT T1IN T2IN R2OUT TTL/CMOS OUTPUTS
T1IN
T1OUT RS-232 OUTPUTS
T2IN
T2OUT
R1OUT
R1IN RS-232 INPUTS
DIP/SO/TSSOP
R2OUT
R2IN
NUMBERS TYPICAL OPERATING CIRCUIT REFER DIP/SO/TSSOP PACKAGE, LCC. 1.0µF CAPACITORS, MAX232E ONLY.
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Configurations Typical Operating Circuits (continued)
INPUT 0.1µF 400k T2IN T1IN R1OUT R1IN T1OUT R2OUT R2IN T2OUT VTTL/CMOS INPUTS TTL/CMOS OUTPUTS R2OUT T2IN R1OUT T1IN 400k T2OUT R1IN R2IN MAKE CONNECTION THESE PINS INTERNAL -10V POWER SUPPLY INTERNAL +10V POWER SUPPLY NUMBERS PACKAGE. 8(13) 13(14) 12(10) 14(8) C1VVV+ C2C211 (12) (11) RS-232 INPUTS T1OUT RS-232 OUTPUTS
VIEW
MAX203E
C215 (C1-) (C1+) (C2+) (C2-)
(V+) (V-)
DIP/SO
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Configurations Typical Operating Circuits (continued)
0.1µF INPUT
VIEW
400k T1IN 400k T2IN 400k T4OUT T3OUT T1OUT T2OUT R2IN R2OUT T2IN T1IN R1OUT R1IN R3IN R3OUT T5IN SHDN T4IN 400k T5IN R1OUT T5OUT R1IN T3IN R5OUT R5IN R2OUT R2IN TTL/CMOS INPUTS T3IN 400k T4OUT T3OUT RS-232 OUTPUTS T2OUT T1OUT
MAX205E
T5OUT R4IN R4OUT T4IN
TTL/CMOS OUTPUTS R3OUT R3IN R4OUT R4IN R5OUT R5IN RS-232 INPUTS
SHDN
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Configurations Typical Operating Circuits (continued)
VIEW
INPUT 0.1µF +10V VOLTAGE DOUBLER +10V -10V VOLTAGE INVERTER 400k T3OUT T1OUT T2OUT R1IN R1OUT T2IN T1IN T4OUT R2IN R2OUT SHDN TTL/CMOS INPUTS T2IN 400k T3IN 400k T4IN R1OUT T4OUT R1IN T3OUT 400k T2OUT T1IN T1OUT
0.1µF 6.3V
0.1µF 6.3V 0.1µF
0.1µF
C113
MAX206E
T4IN T3IN R3OUT R3IN C213
RS-232 OUTPUTS
DIP/SO/SSOP
TTL/CMOS OUTPUTS R2OUT R2IN R3OUT R3IN RS-232 INPUTS
SHDN
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Configurations Typical Operating Circuits (continued)
INPUT 0.1µF +10V VOLTAGE DOUBLER +10V -10V VOLTAGE INVERTER 400k T1IN 400k T3OUT T1OUT T2OUT R1IN R1OUT T2IN T1IN T4OUT R2IN R2OUT T5IN T5OUT TTL/CMOS INPUTS T3IN 400k T4IN 400k R3IN C213 R1OUT T5IN T5OUT R1IN R2OUT T4OUT T2IN 400k T3OUT RS-232 OUTPUTS T2OUT T1OUT
VIEW
0.1µF 6.3V
0.1µF 6.3V 0.1µF
0.1µF
C113
MAX207E
T4IN T3IN R3OUT
DIP/SO/SSOP
TTL/CMOS OUTPUTS
R2IN
RS-232 INPUTS
R3OUT
R3IN
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Configurations Typical Operating Circuits (continued)
VIEW
INPUT 0.1µF +10V VOLTAGE DOUBLER +10V -10V VOLTAGE INVERTER 400k T1IN T2OUT T1OUT R2IN R2OUT T1IN R1OUT R1IN T3OUT R3IN R3OUT T4IN T4OUT TTL/CMOS INPUTS 400k T3IN 400k T4IN R1OUT T4OUT R1IN R2OUT T3OUT 400k T2IN T2OUT RS-232 OUTPUTS T1OUT 0.1µF 6.3V
0.1µF 6.3V 0.1µF
0.1µF
C113
MAX208E
T3IN T2IN R4OUT R4IN C213
R2IN RS-232 INPUTS
DIP/SO/SSOP
TTL/CMOS OUTPUTS R3OUT
R3IN
R4OUT
R4IN
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Pin Configurations Typical Operating Circuits (continued)
INPUT 0.1µF* 6.3V
VIEW
0.1µF 0.1µF* 6.3V 0.1µF* +10V VOLTAGE DOUBLER +10V -10V VOLTAGE INVERTER 400k T1IN 400k T3OUT T1OUT T2OUT R2IN R2OUT T2IN T1IN R1OUT R1IN T4OUT R3IN R3OUT SHDN (SHDN) (EN) TTL/CMOS INPUTS T2IN 400k T3IN 400k T4IN R1OUT T4OUT R1IN R5OUT R5IN C215 TTL/CMOS OUTPUTS R3OUT R2OUT R2IN R3IN R4OUT R4IN R5OUT MAX213E ONLY 1.0µF CAPACITORS, MAX241E ONLY (EN) R5IN T3OUT T2OUT T1OUT
C115
0.1µF*
RS-232 OUTPUTS
MAX211E MAX213E MAX241E
R4IN R4OUT T4IN T3IN
RS-232 INPUTS
SO/SSOP
SHDN (SHDN)
±15kV ESD-Protected, RS-232 Transceivers
Ordering Information (continued)
PART MAX202ECUE MAX202ECWE MAX202EC/D MAX202EEPE MAX202EESE MAX202EEUE MAX202EEWE MAX203ECPP MAX203ECWP MAX203EEPP MAX203EEWP MAX205ECPG MAX205EEPG MAX206ECNG MAX206ECWG MAX206ECAG MAX206EENG MAX206EEWG MAX206EEAG MAX207ECNG MAX207ECWG MAX207ECAG MAX207EENG MAX207EEWG MAX207EEAG TEMP RANGE +70°C +70°C +70°C -40°C +85°C -40°C +85°C -40°C +85°C -40°C +85°C +70°C +70°C -40°C +85°C -40°C +85°C +70°C -40°C +85°C +70°C +70°C +70°C -40°C +85°C -40°C +85°C -40°C +85°C +70°C +70°C +70°C -40°C +85°C -40°C +85°C -40°C +85°C PIN-PACKAGE TSSOP Wide Dice* Plastic Narrow TSSOP Wide Plastic Plastic Wide Plastic Wide Plastic Narrow Plastic SSOP Narrow Plastic SSOP Narrow Plastic SSOP Narrow Plastic SSOP PART MAX208ECNG MAX208ECWG MAX208ECAG MAX208EENG MAX208EEWG MAX208EEAG MAX211ECWI MAX211ECAI MAX211EEWI MAX211EEAI MAX213ECWI MAX213ECAI MAX213EEWI MAX213EEAI MAX232ECPE MAX232ECSE MAX232ECWE MAX232EC/D MAX232EEPE MAX232EESE MAX232EEWE MAX241ECWI MAX241ECAI MAX241EEWI MAX241EEAI TEMP RANGE +70°C +70°C +70°C -40°C +85°C -40°C +85°C -40°C +85°C +70°C +70°C -40°C +85°C -40°C +85°C +70°C +70°C -40°C +85°C -40°C +85°C +70°C +70°C +70°C +70°C -40°C +85°C -40°C +85°C -40°C +85°C +70°C +70°C -40°C +85°C -40°C +85°C PIN-PACKAGE Narrow Plastic SSOP Narrow Plastic SSOP SSOP SSOP SSOP SSOP Plastic Narrow Wide Dice* Plastic Narrow Wide SSOP SSOP
MAX202E-MAX213E, MAX232E/MAX241E
*Dice specified +25°C.
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
_Chip Topographies
MAX202E/MAX232E MAX211E/MAX213E/MAX241E
T1OUT T4OUT R3IN T2OUT T3OUT
C1C2+ R2IN C2VT1OUT 0.117" (2.972mm) R1IN R2OUT T2IN T1IN R1OUT R1IN R1OUT T1IN
R3OUT SHDN (SHDN)
(EN) R4IN R4OUT T4IN T3IN R5OUT R5IN
0.174" (4.420mm)
R2IN T2OUT
T2IN R2OUT
C1C2+
C2V-
0.080" (2.032mm)
0.188" (4.775mm)
MAX213E ONLY
TRANSISTOR COUNT: SUBSTRATE CONNECTED
TRANSISTOR COUNT: SUBSTRATE CONNECTED
_Chip Information
MAX205E/MAX206E/MAX207E/MAX208E TRANSISTOR COUNT: SUBSTRATE CONNECTED
±15kV ESD-Protected, RS-232 Transceivers
Package Information
(The package drawing(s) this data sheet reflect most current specifications. latest package outline information www.maxim-ic.com/packages.)
PDIPN.EPS
MAX202E-MAX213E, MAX232E/MAX241E
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
Package Information (continued)
(The package drawing(s) this data sheet reflect most current specifications. latest package outline information www.maxim-ic.com/packages.)
SSOP.EPS
INCHES 0.068 0.002 0.010 0.078 0.008 0.015
MILLIMETERS 1.73 0.05 0.25 1.99 0.21 0.38 INCHES 0.239 0.239 0.278 0.317 0.397 0.249 0.249 0.289 0.328 0.407 MILLIMETERS 6.07 6.07 7.07 8.07 10.07 6.33 6.33 7.33 8.33 10.33
0.20 0.09 0.004 0.008 VARIATIONS 0.205 0.301 0.025 0.212 0.311 0.037 5.20 7.65 0.63 5.38 7.90 0.95 0.0256 0.65
NOTES: INCLUDE MOLD FLASH. MOLD FLASH PROTRUSIONS EXCEED (.006"). CONTROLLING DIMENSION: MILLIMETERS. MEETS JEDEC MO150. LEADS COPLANAR WITHIN 0.10
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, SSOP,
APPROVAL DOCUMENT CONTROL REV.
21-0056
±15kV ESD-Protected, RS-232 Transceivers MAX202E-MAX213E, MAX232E/MAX241E
Package Information (continued)
(The package drawing(s) this data sheet reflect most current specifications. latest package outline information www.maxim-ic.com/packages.)
SOICW.EPS
INCHES
MILLIMETERS 2.35 0.10 0.35 0.23 2.65 0.30 0.49 0.32
0.104 0.093 0.012 0.004 0.019 0.014 0.013 0.009 0.050 0.299 0.291 0.394 0.419 0.050 0.016
1.27 7.40 7.60 10.00 10.65 0.40 1.27
VARIATIONS: INCHES MILLIMETERS 10.10 11.35 12.60 15.20 17.70 10.50 11.75 13.00 15.60 18.10 MS013
VIEW
0.398 0.447 0.496 0.598 0.697
0.413 0.463 0.512 0.614 0.713
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, .300" SOIC
APPROVAL DOCUMENT CONTROL REV.
21-0042
PACKAGE OUTLINE, TSSOP 4.40mm BODY
21-0066
Maxim cannot assume responsibility circuitry other than circuitry entirely embodied Maxim product. circuit patent licenses implied. Maxim reserves right change circuitry specifications without notice time.
Maxim Integrated Products, Gabriel Drive, Sunnyvale, 94086 408-737-7600 2005 Maxim Integrated Products Printed registered trademark Maxim Integrated Products, Inc.
TSSOP4.40mm.EPS

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