DAC-08 series 8-bit monolithic multiplying Digital-toAnalog Converters
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DAC-08 SERIES Product Preview 8-Bit High-Speed Multiplying Converter
DAC-08 series 8-bit monolithic multiplying Digital-toAnalog Converters provide very high-speed performance coupled with cost outstanding applications flexibility. Advanced circuit design achieves settling times with very glitch power consumption. Monotonic multiplying performance attained over wide 20-to-1 reference current range. Matching within between reference full-scale currents eliminates need full-scale trimming most applications. Direct interface popular logic families with full noise immunity provided high swing, adjustable threshold logic inputs. Dual complementary outputs provided, increasing versatility enabling differential operation effectively double peak-topeak output swing. True high voltage compliance outputs allow direct output voltage conversion eliminate output amps many applications. DAC-08 series models guarantee full 8-bit monotonicity linearities tight 0.1% over entire operating temperature range. Device performance essentially unchanged over "4.5 power supply range, with power consumption attainable "5.0 supplies. compact size power consumption make DAC-08 attractive portable military aerospace applications.
SOIC-16 SUFFIX CASE 751B
PDIP-16 SUFFIX CASE 648E
CONNECTIONS
Package
(MSB) COMP VREF- REF+ (LSB)
Fast Settling Output Current Full-Scale Current Prematched "1.0 Direct Interface TTL, CMOS, ECL, HTL, PMOS Relative Accuracy 0.1% Maximum Overtemperature Range High Output Compliance True Complemented Outputs Wide Range Multiplying Capability Current Drift "10ppm/°C Wide Power Supply Range "4.5 Power Consumption "5.0 8-Bit, A-to-D Converters Servo-Motor Drivers Waveform Generators Audio Encoders Attenuators Analog Meter Drivers Programmable Power Supplies Display Drivers High-Speed Modems Other Applications where Cost, High Speed Complete Input/Output Versatility Required Programmable Gain Attenuation Analog-Digital Multiplication
(Top View) Package*
VREF+ VREF- COMPEN (LSB) (MSB)
Applications
(Top View) non-standard pinouts.
ORDERING INFORMATION
detailed ordering shipping information package dimensions section page this data sheet.
This document contains information product under development. Semiconductor reserves right change discontinue this product without notice.
Semiconductor Components Industries, LLC, 2004
April, 2004 Rev.
Publication Order Number: DAC-08/D
DAC-08 SERIES
BIAS NETWORK CURRENT SWITCHES
IOUT IOUT
VREF(+) REFERENCE AMPLIFIER
VREF(-)
COMP.
Figure Block Diagram
MAXIMUM RATINGS
Rating Power Supply Voltage Digital Input Voltage Logic Threshold Control Applied Output Voltage Reference Current Reference Amplifier Inputs Maximum Power Dissipation Tamb 25°C (Still-Air) (Note Package Package Lead Soldering Temperature max) Operating Temperature Range Storage Temperature Range Derate above 25°C, following rates: package 11.6 mW/°C package mW/°C. Symbol V5-V12 V14, 1450 1090 TSOLD Tamb Tstg +150 Value plus Unit
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DAC-08 SERIES
ELECTRICAL CHARACTERISTICS must least more negative than potential which returned. IREF Output characteristics refer both IOUT IOUT unless otherwise noted. Tamb 70°C.
DAC-08C Characteristic Resolution Monotonicity Relative Accuracy Differential Non-Linearity Full-Scale Tempco Output Voltage Compliance Full-Scale Current Full-Scale Symmetry Zero-Scale Current Full-Scale Output Current Range TCIFS IFS4 IFSS IFSR Full-Scale Current Change 1/2LSB VREF 10.000 R14, 5.000 IFS4-IFS2 R14, 5.000 VREF VREF Logic Input Levels High Logic Input Current High Logic Input Swing Logic Threshold Range Reference Bias Current Reference Input Slew Rate Power Supply Sensitivity Positive VTHR dl/dt PSSIFS+ +0.8 IREF 13.5 16.5 -4.5 -5.5 -13.5 -16.5 "5.0 IREF +5.0 IREF IREF "5.0 IREF +5.0 IREF IREF -2.0 0.002 -1.0 0.0003 +13.5 -3.0 0.01 -2.0 0.002 -1.0 0.0003 +13.5 -3.0 0.01 mA/ms %FS/ %FS/ Overtemperature Range Symbol Test Conditions 1.94 1.99 "2.0 "0.39 "0.78 2.04 1.94 DAC-08E 1.99 "1.0 "0.19 "0.39 2.04 "8.0 ppm/°C Unit Bits
Negative
PSIFS-
0.002
0.01
0.002
0.01
Power Supply Current Positive Negative Positive Negative Positive Negative Power Dissipation
-4.3 -7.1 -7.2 -5.8 -7.8 -7.8 -4.3 -7.1 -7.2 -5.8 -7.8 -7.8
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DAC-08 SERIES
ELECTRICAL CHARACTERISTICS (continued) must least more negative than potential which returned. IREF Output characteristics refer both IOUT IOUT unless otherwise noted. Tamb 70°C.
DAC-08H Characteristic Resolution Monotonicity Relative Accuracy Differential Non-Linearity Full-Scale Tempco Output Voltage Compliance Full-Scale Current Full-Scale Symmetry Zero-Scale Current Full-Scale Output Current Range Symbol TCIFS IFS4 IFSS IFSR Test Conditions Overtemperature Range Full-Scale Current Change 1/2LSB VREF 10.000 R14, 5.000 IFS4-IFS2 R14, 5.000 VREF VREF V-=-12 VTHR dl/dt +0.8 IREF PSSIFS+ PSIFS- 13.5 16.5 -4.5 -5.5 -13.5 -16.5 0.0003 0.002 0.01 0.01 %FS/%VS %FS/%VS IREF "5.0 IREF +5.0 IREF "5.0 IREF +5.0 IREF IREF -4.3 -7.1 -7.2 -5.8 -7.8 -7.8 -2.0 0.002 -1.0 +13.5 -3.0 mA/ms 1.984 1.992 "1.0 "0.1 "0.19 2.000 "4.0 Unit Bits ppm/°C
Logic Input Levels High Logic Input Current High Logic Input Swing Logic Threshold Range Reference Bias Current Reference Input Slew Rate Power Supply Sensitivity Positive Negative Power Supply Current Positive Negative Positive Negative Positive Negative Power Dissipation
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DAC-08 SERIES
ELECTRICAL CHARACTERISTICS
DAC-08C Characteristic Settling Time Symbol Test Conditions "1/2LSB, Bits Switched Off, Tamb 25°C Tamb 25°C, Each Bits Switched DAC-08E DAC-08H Unit
Propagation Delay Low-to-High High-to-Low
tPLH tPHL
TEST CIRCUITS
VREF
RREF
DAC-08 5-12
CONTROL LOGIC
NE5534
ERROR OUTPUT
REFERENCE ACCURACY 0.006%
Figure Relative Accuracy Test Circuit
+2.0 SETTLING TIME MEASUREMENT (ALL BITS SWITCHED HIGH) tPHL tPLH SETTLING TIME TYPICAL ±1/2 TRANSIENT RESPONSE -100 tPLH tPHL TURN MEASUREMENT
DAC-08
Figure Transient Response Settling Time
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DAC-08 SERIES
TEST CIRCUITS
SCOPE DAC-08 OPEN SLEWING TIME
Figure Reference Current Slew Rate Measurement
DIGITAL INPUTS DAC-08 OUTPUT VREF
NOTES: (See text values Typical values VREF +2.0
apply inputs through resistor tied temperature compensate bias current necessary applications.
where
High Level Level
Figure Notation Definitions
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DAC-08 SERIES
TYPICAL PERFORMANCE CHARACTERISTICS
BITS OUTPUT CURRENT (mA) -15V IREF 0.2mA 200ns/division 200, 100, (00000000) (11111111) IREF IOUT -2.5mA 2.0mA IOUT IREF 0.5V -0.5mA 1.0mA IOUT Tmin Tmax 2.5V
OUTPUT VOLTAGE
Figure Output Current Output Voltage (Output Voltage Compliance)
Figure Fast Pulsed Reference Operation
Figure True Complementary Output Operation
OUTPUT CURRENT (mA)
Tmin Tmax BITS "HIGH"
BITS SWITCHED 2.4V 0.4V OUTPUT 1/2LSB SETTLING +1/2LSB 2.4V LOGIC INPUT 0.4V IOUT 50ns/DIVISIOM IFS=2mA, RL=1k 1/2LSB=4µA
LIMIT V-=-15V
LIMIT V-=-5V
50ns/DIVISIOM
IREF REFERENCE CURRENT (mA)
Figure Full-Scale Settling Time
Figure Switching
Figure Full-Scale Current Reference Current
PROPAGATION DELAY (ns) RELATIVE OUTPUT (dB) 1LSB=7.8µA 1LSB=78nA R14=R15=1k BITS "ON" VR15 FREQUENCY (MHz)
OUTPUT FULL SCALE CURRENT (mA)
Figure Propagation Delay
Figure Reference Input Frequency Response
NOTES: Curve Curve Curve 15pF, 2.0VP-P centered +1.0V 15pF, 5m0VP-P centered +200mV 15pF, 100m0VP-P centered applied through connected +2.0V applied R14.
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DAC-08 SERIES
TYPICAL PERFORMANCE CHARACTERISTICS
OUTPUT CURRENT (mA) LOGIC INPUT CURRENT IREF IREF 0.2mA -15V IREF TMIN TMAX
REFERENCE COMMON MODE VOLTAGE POSITIVE COMMON-MODE RANGE ALWAYS (V+) -1.5V.
LOGIC INPUT VOLTAGE
TEMPERATURE (°C)
Figure Reference Common-Mode Range Bits
Figure Logic Input Current Input Voltage
Figure VTH-VLC Temperature
OUTPUT VOLTAGE OUTPUT CURRENT (mA) TEMPERATURE (°C) Shaded area indicates permissible output voltage range -15V, IREF 2.0mA other IREF "Output Current Output Voltage" curve previous page IREF 2.0mA -15V POWER SUPPLY CURRENT (mA) POSITIVE POWER SUPPLY (VDC)
BITS HIGH
LOGIC INPUT VOLTAGE
Figure Output Voltage Compliance Temperature
NOTES:
Figure Transfer Characteristics
through have identical transfer characteristics. Bits fully switched, with less than 1/2LSB error, less than ±100mV from actual threshold. These switching points guaranteed between 2.0V over operating temperature range (VLC 0.0V). 10,000
Figure Power Supply Current
POWER SUPPLY CURRENT (mA)
POWER SUPPLY CURRENT (mA)
TEMPERATURE (°C) +15V IREF 2.0mA
WITH IREF WITH IREF 0.2mA
(kHz)
BITS HIGH WITH IREF
BITS HIGH +15V
1,000
-4.0
-8.0
(pF) 1000
NEGATIVE POWER SUPPLY (VDC)
Figure Power Supply Current
Figure Power Supply Current Temperature
Figure Maximum Reference Input Frequency Compensation Capacitor Value
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DAC-08 SERIES
+VREF OPTIONAL RESISTOR OFFSET INPUTS NOTES: Typical Values +VIN RREF =200
Output Voltage Range
voltage must always least more positive than voltage negative supply (Pin when reference current less, least more positive than negative supply when reference current between This necessary avoid saturation output transistors, which would cause serious accuracy degradation.
Output Current Range
Pulsed Referenced Operation
Figure Typical Application
FUNCTIONAL DESCRIPTION
Reference Amplifier Drive Compensation
time full-scale current exceeds negative supply must least more negative than output voltage. This increased internal voltage drops between negative supply outputs with higher reference currents.
Accuracy
reference amplifier input current must always flow into regardless setup method reference supply voltage polarity. Connections positive reference voltage shown Figure reference voltage source supplies full reference current. bipolar reference signals, multiplying mode, tied negative voltage corresponding minimum input level. eliminated with only small sacrifice accuracy temperature drift. compensation capacitor value must increased value increased. This order maintain proper phase margin. values 1.0, 2.5, minimum capacitor values respectively. capacitor tied either ground, using increases negative supply rejection. (Fluctuations negative supply have more effect accuracy than changes positive supply.) negative reference voltage used grounded reference voltage applied shown. high input impedance main advantage this method. negative reference voltage must least above supply. Bipolar input signals handled connecting positive reference voltage equal peak positive input level When using reference voltage, capacitive bypass ground recommended. logic supply recommended reference voltage, well regulated supply which drives logic used reference, should formed series resistors with junction resistors bypassed with ground. reference voltages greater than clamp diode recommended between ground. driven high impedance such transistor current source, none above compensation methods applies amplifier must heavily compensated, decreasing overall bandwidth.
Absolute accuracy measure each output current level with respect intended value, dependent upon relative accuracy, full-scale accuracy full-scale current drift. Relative accuracy measure each output current level fraction full-scale current after zero-scale current been nulled out. relative accuracy DAC-08 series essentially constant over operating temperature range excellent temperature tracking monolithic resistor ladder. reference current drift with temperature, causing change absolute accuracy output current. However, DAC-08 series very full-scale current drift over operating temperature range. DAC-08 series guaranteed accurate within "LSB +25°C full-scale output current 1.992 relative accuracy test circuit shown Figure 12-bit converter calibrated full-scale output current 1.99219 then DAC-08 full-scale current trimmed same value with that zero value appears error amplifier output. counter activated error band displayed oscilloscope, detected comparators, stored peak detector. 8-bit D-to-A converters used construct 16-bit accurate D-to-A converter. 16-bit accuracy implies total part 65,536, "0.00076%, which much more accurate than "0.19% specification DAC-08 series.
Monotonicity
monotonic converter which always provides analog output greater than equal preceding value corresponding increment digital input code. DAC-08 series monotonic values reference current above recommended range operation reference current between
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DAC-08 SERIES
Settling Time
worst-case switching condition occurs when bits switched which corresponds low-to-high transition input bits. This time typically settling within 8-bit accuracy. This time applies when slowest single switch least significant bit, which typically turns settles applications where
functions positive-going ramp mode, worst-case condition does occur settling times less than realized. Extra care must taken board layout since this usually dominant factor satisfactory test results when measuring settling time. Short leads, supply bypassing frequencies, minimum scope lead length, avoidance ground loops mandatory.
+15V
VADJ 1000 VREF IREF VOUT 1000 VOUT
NOTES: -15V IN6263 equivalent IN914 equivalent 0.01µF 0.1µF 2N3904 15pF includes probe fixturing capacitance.
Figure Settling Time Propagation Delay
+VREF RREF (LOW T.C.) IREF
DAC-08
CCOMP 0.1µF 0.1µF
NOTES: logic states
Figure Basic DAC-08 Configuration
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DAC-08 SERIES
VREF
DAC-08
NOTES: T.C. minimize pot. contribution full-scale drift
Figure Recommended Full-Scale Zero-Scale Adjust
(LOW T.C.)
DAC-08
NE531 EQUIV
VOUT +10V
Figure Unipolar Voltage Output Impedance Output
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DAC-08 SERIES
VOUT
DAC-08 VOUT
Positive Output
VOUT
DAC-08
Negative Output
VOUT
Figure Unipolar Voltage Output High Impedance Output
DAC-08 VOUT
VOUT
Positive full-scale Positive 1LSB Zero-scale 1LSB Zero-scale Zero-scale 1LSB Negative full scale 1LSB Negative full scale
VOUT -9.920V -9.840V -0.080V 0.000 0.080 +9.920 +10.000
VOUT +10.000 +9.920 +0.160 +0.080 0.000 -9.840 -9.920
Figure Basic Bipolar Output Operation (Offset Binary)
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DAC-08 SERIES
ORDERING INFORMATION
Device DAC-08ED DAC-08EDR2 DAC-08CN DAC-08EN DAC-08HN Description 16-Pin Plastic Small Outline Package 16-Pin Plastic Small Outline Package 16-Pin Plastic Dual In-Line Package 16-Pin Plastic Dual In-Line Package 16-Pin Plastic Dual In-Line Package Temperature Range +70°C +70°C +70°C +70°C +70°C Shipping Units/Rail 2500 Tape Reel Units/Rail Units/Rail Units/Rail
information tape reel specifications, including part orientation tape sizes, please refer Tape Reel Packaging Specification Brochure, BRD8011/D.
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DAC-08 SERIES
PACKAGE DIMENSIONS
SOIC-16 SUFFIX CASE 751B-05 ISSUE
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. DIMENSIONS INCLUDE MOLD PROTRUSION. MAXIMUM MOLD PROTRUSION 0.15 (0.006) SIDE. DIMENSION DOES INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL 0.127 (0.005) TOTAL EXCESS DIMENSION MAXIMUM MATERIAL CONDITION. MILLIMETERS 9.80 10.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 0.19 0.25 0.10 0.25 5.80 6.20 0.25 0.50 INCHES 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 0.008 0.009 0.004 0.009 0.229 0.244 0.010 0.019
0.25 (0.010)
SEATING PLANE
0.25 (0.010)
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DAC-08 SERIES
PACKAGE DIMENSIONS
PDIP-16 SUFFIX CASE 648E-01 ISSUE
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: INCH. DIMENSION CENTER LEADS WHEN FORMED PARALLEL. DIMENSION DOES INCLUDE MOLD PROTRUSION. MOLD FLASH PROTRUSIONS SHALL EXCEED 0.25 (0.010). ROUNDED CORNER OPTIONAL. INCHES 0.740 0.760 0.245 0.260 0.145 0.175 0.015 0.021 0.050 0.070 0.100 0.050 0.008 0.015 0.120 0.140 0.295 0.305 0.200 0.300 0.015 0.035 MILLIMETERS 18.80 19.30 6.23 6.60 3.69 4.44 0.39 0.53 1.27 1.77 2.54 1.27 0.21 0.38 3.05 3.55 7.50 7.74 5.08 7.62 0.39 0.88
0.25 (0.010)
SEATING PLANE
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DAC-08 SERIES
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DAC-08/D
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