38MHz, Operational Amplifier CA3100 large signal wideband, high s
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CA3100
38MHz, Operational Amplifier
CA3100 large signal wideband, high speed operational amplifier which unity gain cross over frequency (fT) approximately 38MHz open loop, corner frequency approximately 110kHz. operate total supply voltage from (±7V ±18V when using split supplies) provide least 18VP-P 30mAP-P output when operating from ±15V supplies. CA3100 compensated with single external capacitor offset adjust terminals those applications requiring offset null. (See Figure CA3100 circuit contains both bipolar PMOS transistors single monolithic chip.
November 1996
Features
High Open Loop Gain Video Frequencies 42dB (Typ) 1MHz Unity Gain Crossover Frequency (fT) 38MHz (Typ) Full Power Bandwidth 18VP-P 1.2MHz (Typ)
Slew Rate 20dB Amplifier 70V/µs (Typ) Unity Gain Amplifier. 25V/µs (Typ) Settling Time 0.6µs (Typ) Output Current ±15mA (Min) Single Capacitor Compensation Offset Null Terminals
Ordering Information
PART NUMBER (BRAND) CA3100E TEMP. RANGE (oC) PACKAGE PDIP SOIC Metal PKG. E8.3 M8.15 T8.C
Applications
Video Amplifiers Fast Peak Detectors Meter Driver Amplifiers High Frequency Feedback Amplifiers Video Pre-Drivers Oscillators Multivibrators Voltage Controlled Oscillator Fast Comparators
CA3100M (3100) CA3100T
Pinouts
CA3100 (PDIP, SOIC) VIEW
PHASE COMPENSATION OFFSET NULL INV. INPUT NON-INV. INPUT VPHASE COMP OFFSET NULL INV. INPUT
CA3100 (METAL CAN) VIEW
PHASE COMP
OUTPUT OFFSET NULL
OUTPUT
NON-INV. INPUT
OFFSET NULL
CAUTION: These devices sensitive electrostatic discharge. Users should follow proper Handling Procedures. Copyright
Harris Corporation 1996
File Number
625.3
3-57
CA3100
Absolute Maximum Ratings
Supply Voltage (Between Terminals) Differential Input Voltage. Input Voltage Ground VOffset Terminal Terminal Voltage ±0.5V Output Current (Note 50mA
Thermal Information
Thermal Resistance (Typical, Note (oC/W) (oC/W) PDIP Package SOIC Package Metal Package Maximum Junction Temperature (Metal Can) 175oC Maximum Junction Temperature (Plastic Package) 150oC Maximum Storage Temperature Range -65oC 150oC Maximum Lead Temperature (Soldering 10s) 300oC (SOIC Lead Tips Only)
Operating Conditions
Temperature Range CA3100E, CA3100M. -40oC 85oC CA3100T. -55oC 125oC
CAUTION: Stresses above those listed "Absolute Maximum Ratings" cause permanent damage device. This stress only rating operation device these other conditions above those indicated operational sections this specification implied.
NOTES: measured with component mounted evaluation board free air. CA3100 does contain circuitry protect against short circuits output. 25oC, VSUPPLY ±15V, Unless Otherwise Specified SYMBOL TEST CONDITIONS UNITS
Electrical Specifications
PARAMETER Input Offset Voltage Input Bias Current Input Offset Current
VlCR CMRR VOM+ VOM-
±0.1V CMRR 76dB ±12V Differential Input Voltage ±0.1V,
±0.05
±0.4
Common Mode Input Voltage Range
Common Mode Rejection Ratio Maximum Output Voltage
Differential Input Voltage 0.1V,
Maximum Output Current
IOM+ IOM-
±0.1V, ±1V,
10.5
Supply Current Power Supply Rejection Ratio DYNAMIC Unity-Gain Crossover Frequency Open Loop Voltage Gain
PSRR
0.3VP-P 1kHz, ±1V, (Note 1MHz, 10VP-P
V/µs V/µs
Slew Rate
(Pulse) 10pF, (Pulse)
Full Power Bandwidth (Note
FPBW
18VP-P 10pF, 18VP-P
Open Loop Differential Input Impedance Open Loop Output lmpedance
1MHz 1MHz
3-58
CA3100
Electrical Specifications
PARAMETER Wideband Noise Voltage (RTI) Settling Time Within ±50mV Output Swing) NOTES: frequency dynamic characteristic. Slew Rate Full Power Bandwidth 25oC, VSUPPLY ±15V, Unless Otherwise Specified (Continued) SYMBOL (Total) TEST CONDITIONS 1MHz, 20pF UNITS µVRMS
Test Circuits
0.1µF HP606A EQUIV CA3100 20pF 0.1µF VWITH POTENTIOMETER (RX) GIVE 0.1VDC PULSE 10ns tWIDTH
0.1µF CA3100 SLOPE
GIVE DESIRED LEVEL TEST FREQUENCY NULL ADJUST FREQUENCY 1MHz POTENTIOMETER MEASURED WITH HF8405A VECTOR VOLTMETER
FIGURE OPEN-LOOP VOLTAGE GAIN TEST CIRCUIT OFFSET ADJUST CIRCUIT
10pF
FIGURE SLEW RATE AMPLIFIER TEST CIRCUIT
+15V INPUT REFERRED NOISE VOLTAGE 0.1µF CA3100 POST AMPL. POLE 1MHz FILTER
+10V PULSE 10ns tWIDTH CA3100 0.1µF
SLOPE
HP400EL VTVM
500pF
0.1µF
0.1µF
-15V
FIGURE FOLLOWER SLEW RATE TEST CIRCUIT
FIGURE WIDEBAND INPUT NOISE VOLTAGE TEST CIRCUIT
3-59
CA3100 Test Circuits
(Continued)
+15V 9.1k CA3100 TEST +15V 0.1µF -15V 20pF
CA3100
12pF -15V
SETTLING POINT SCOPE
FIGURE OUTPUT VOLTAGE SWING (VOM), OUTPUT CURRENT SWING (IOM) TEST CIRCUIT
FIGURE SETTLING TIME TEST CIRCUIT
Schematic Diagram
NONINVERT INPUT INVERT INPUT
10pF 2.5k
OUTPUT PHASE COMP OFFSET NULL OFFSET NULL PHASE COMP
1.1k
1.1k
3-60
CA3100 Typical Applications
+15V INPUT 0.33µF CA3100 0.1µF OUTPUT 0.33µF 0.1µF -15V -3dB BANDWIDTH 20MHz TOTAL INPUT NOISE VOLTAGE REFERRED INPUT 35µVRMS DELIVERS FOLLOWING PEAK VOLTAGES LINE: FREQ 1MHz 2MHz 4MHz 6MHz GAIN 20dB 0.1µF -15V +15V BANDWIDTH 15MHz 20dB INPUT CA3100 0.1µF 2N5320 OUTPUT TERMINATED TRANSMISSION LINE
1N5393
2N5322
FIGURE 20dB VIDEO AMPLIFIER
FIGURE 20dB VIDEO LINE DRIVER
ZERO 10pF INPUT IMPEDANCE 2N2102 TEST LEADS (DC) PEAK -15V CA3100 0.1µF 1VRMS FULL SCALE 1N914 FULL SCALE METER +15V
+15V
VI(AC)
CA3100
0.1µF
1N914
POT.
1.2k
0.1µF
1000pF FULL SCALE CALIBRATION ADJUST
-15V
FIGURE FAST POSITIVE PEAK DETECTOR
FIGURE 1MHz METER-DRIVER AMPLIFIER
Typical Performance Curves
OPEN LOOP VOLTAGE GAIN (dB) 24pF 12pF 0.001 0.01 FREQUENCY (MHz) 24pF |AOL| 12pF 12pF -270 -225 -180 -135 24pF OPEN LOOP PHASE SHIFT (DEGREES) OPEN LOOP VOLTAGE GAIN (dB) 25oC ±15V 20pF 0.001 ±15V
-55oC
25oC 125oC
0.01
FREQUENCY (MHz)
FIGURE OPEN LOOP GAIN, OPEN LOOP PHASE SHIFT FREQUENCY
FIGURE OPEN LOOP GAIN FREQUENCY
3-61
CA3100 Typical Performance Curves
OPEN LOOP VOLTAGE GAIN (dB) 0.001 0.01 FREQUENCY (MHz) ±12V ±10V
(Continued)
25oC 20pF ±10V (19.1) ±15V
±18V
COMP PINS (pF)
25oC 20pF
NONINVERTING GAIN (dB), INVERTING GAIN (dB) CLOSED LOOP GAIN (dB)
FIGURE OPEN LOOP GAIN FREQUENCY
FIGURE REQUIRED COMPENSATION CAPACITANCE CLOSED LOOP GAIN
OPEN LOOP OUTPUT IMPEDANCE
25oC 20pF SLEW RATE (V/µs)
25oC ±15V +15V
HEWLETT PACKARD VECTOR IMPEDANCE METER4815A
CA3100
±15V ±10V
-15V
COMP PINS (pF)
FREQUENCY (MHz)
FIGURE SLEW RATE COMPENSATION CAPACITANCE
FIGURE TYPICAL OPEN LOOP OUTPUT IMPEDANCE FREQUENCY
25oC ±15V
TOTAL INPUT REFERRED NOISE VOLTAGE (µVRMS)
1MHz
OPEN LOOP DIFFERENTIAL INPUT IMPEDANCE
25oC
SOURCE RESISTANCE FREQUENCY (MHz)
FIGURE WIDEBAND INPUT NOISE VOLTAGE SOURCE RESISTANCE
FIGURE TYPICAL OPEN LOOP DIFFERENTIAL INPUT IMPEDANCE FREQUENCY
3-62
CA3100 Typical Performance Curves
25oC ±15V OUTPUT VOLTAGE (VP-P)
(Continued)
COMMON MODE INPUT VOLTAGE RANGE
25oC 15.0 12.5 10.0 +VICR -VICR
CIRCUIT FIG. (FOLLOWER) CIRCUIT FIG. AMPL
0.01
FREQUENCY (MHz)
±2.5
±7.5
±12.5
±17.5
SUPPLY VOLTAGE
FIGURE MAXIMUM OUTPUT VOLTAGE SWING FREQUENCY
FIGURE COMMON MODE INPUT VOLTAGE RANGE SUPPLY VOLTAGE
25oC MAXIMUM OUTPUT VOLTAGE 12.5 SUPPLY CURRENT (mA) 12.5
25oC
±2.5
±7.5
±12.5
±17.5
±2.5
±7.5
±12.5
±17.5
SUPPLY VOLTAGE
SUPPLY VOLTAGE
FIGURE MAXIMUM OUTPUT VOLTAGE SUPPLY VOLTAGE
FIGURE SUPPLY CURRENT SUPPLY VOLTAGE
25oC 15.0 INPUT BIAS CURRENT (µA) 12.5 10.0
±2.5
±7.5
±12.5
±17.5
SUPPLY VOLTAGE
FIGURE INPUT BIAS CURRENT SUPPLY VOLTAGE
3-63
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