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HA-2548
September 1998 File Number 2901.3
150MHz, High Slew Rate, Precision Operational Amplifier
The HA-2548 is an op amp that offers a unique combination of bandwidth, slew rate, and precision specifications. These features can eliminate the need for composite op amp designs and external calibration circuitry. Optimized for gains 5, the HA-2548 has a gain-bandwidth product of 150MHz and a slew rate of 120V/s while maintaining extremely high open loop gain (130dB Typ) and low offset voltage (300V Typ). These specifications are achieved through uniquely designed input circuitry and a single ultra-high gain stage that minimizes the AC signal path. Capable of delivering over 30mA of output current, the HA-2548 is ideal for precision, high speed applications such as signal conditioning, instrumentation, video/pulse amplifiers and buffers. For information on the military version of this device please refer to the HA-2548/883 datasheet.
Features
* * * * * * High Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . 120V/s Low Offset Voltage. . . . . . . . . . . . . . . . . . . . . . . . . .300V High Open Loop Gain . . . . . . . . . . . . . . . . . . . . . . . 130dB Gain Bandwidth Product . . . . . . . . . . . . . . . . . . . 150MHz Low Noise Voltage at 1kHz . . . . . . . . . . . . . . . 8.3nV/Hz Minimum Gain Stability . . . . . . . . . . . . . . . . . . . . . . . . 5
Applications
* * * * High Speed Instrumentation Data Acquisition Systems Analog Signal Conditioning Precision, Wideband Amplifiers - Pulse/RF Amplifiers
Part Number Information
PART NUMBER HA2-2548-5 HA2-2548-9 HA3-2548-5 HA7-2548-5 HA9P2548-5 TEMP. RANGE ( oC) 0 to 75 -40 to 85 0 to 75 0 to 75 0 to 75 PACKAGE 8 Pin Metal Can 8 Pin Metal Can 8 Ld PDIP 8 Ld SBDIP 16 Ld SOIC PKG. NO. T8.C T8.C E8.3 D8.3 M16.3
Pinouts
HA-2548 (PDIP, SBDIP) TOP VIEW HA-2548 (METAL CAN) TOP VIEW HA-2548 (SOIC) TOP VIEW
COMP 8 BAL -IN +IN V1 2 3 4 8 COMP BAL 1 7 V+
NC 1 NC 2 NC 3 -IN 4 6 OUT +IN 5 5 BAL V- 6 NC 7 NC 8
16 NC 15 BAL 14 COMP
+
7 V+ -IN 6 OUT 5 BAL +IN 3 2
+
+
13 V+ 12 OUT 11 NC 10 BAL 9 NC
4 V-
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright (c) Intersil Americas Inc. 2002. All Rights Reserved
HA-2548
Absolute Maximum Ratings
Supply Voltage Between V+ and V- Terminals . . . . . . . . . . . . . .40V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Thermal Information
Thermal Resistance (Typical, Note 1) JA ( oC/W) JC (oC/W) SBDIP Package . . . . . . . . . . . . . . . . . . 110 30 PDIP Package . . . . . . . . . . . . . . . . . . . 92 N/A SOIC Package . . . . . . . . . . . . . . . . . . . 96 N/A Metal Can Package . . . . . . . . . . . . . . . 165 80 Maximum Junction Temperature (Hermetic Packages) . . . . . . 175oC Maximum Junction Temperature (Plastic Package) . . . . . . . 150oC Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC (SOIC - Lead Tips Only)
Operating Conditions
Temperature Range HA-2548-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to 75oC HA-2548-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to 85oC
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE: 1. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
PARAMETER INPUT CHARACTERISTICS Input Offset Voltage
VSUPPLY = 15V, RL = 1k, CL = 10pF, Unless Otherwise Specified HA-2548-5, -9 TEST CONDITIONS TEMP (oC) MIN TYP MAX UNITS V V V/oC nA nA nA nA V M VRMS VRMS nV/Hz nV/Hz nV/Hz pA/Hz pA/Hz pA/Hz
25 Full
7 -
300 400 4 5 20 5 20 10 1 0.2 0.8 30 12 8.3 1.9 0.7 0.4
900 1200 9 50 100 50 100 -
Average Offset Voltage Drift (Note 5) Input Bias Current
Full 25 Full
Input Offset Current
25 Full
Common Mode Range Differential Input Resistance Input Noise Voltage f = 0.1Hz to 10Hz f = 0.1Hz to 1MHz Input Noise Voltage Density (Note 2) f = 10Hz f = 100Hz f = 1000Hz Input Noise Current Density (Note 2) f = 10Hz f = 100Hz f = 1000Hz TRANSFER CHARACTERISTICS Large Signal Voltage Gain VOUT = 10V VCM = 2V AV = -100, f = 100kHz to 10MHz
25 25 25 25 25 25 25 25 25 25
25 Full
114 108 80 130 110 5 11 30 -
130 125 90 150 125 12 33 5 1.91
-
dB dB dB MHz MHz V/V
Common Mode Rejection Ratio Gain Bandwidth Product (Note 5)
Full 25 Full
Minimum Stable Gain OUTPUT CHARACTERISTICS Output Voltage Swing Output Current Output Resistance Full Power Bandwidth (Note 3) TRANSIENT RESPONSE AV = +5, Unless Otherwise Specified RL = 1k, VOUT 10V
Full
Full Full 25 25
-
V mA MHz
2
HA-2548
Electrical Specifications
PARAMETER Slew Rate (Note 5) Positive Slew Rate (Note 5) Negative Rise Time (Note 5) VSUPPLY = 15V, RL = 1k, CL = 10pF, Unless Otherwise Specified (Continued) HA-2548-5, -9 TEST CONDITIONS VOUT = 5V VOUT = 5V VOUT = 100mV VOUT = 100mV VOUT = 100mV VOUT = 100mV Notes 4, 5 VS = 10V to 20V TEMP (oC) 25 Full 25 Full 25 Full Fall Time (Note 5) 25 Full Overshoot (Note 5) Positive Overshoot (Note 5) Negative Settling Time POWER SUPPLY Power Supply Rejection Ratio ICC NOTES: 2. Refer to typical performance curve in data sheet. Slew Rate 3. Full Power Bandwidth is calculated by: FPBW = ---------------------------- , V PEAK = 10V . 2V PEAK 4. Settling time is specified to 0.01% with a 10V step and A V = -5. 5. These parameters are not tested. The limits are guaranteed based on lab characterization and reflect lot to lot variation. Full Full 86 95 12 18 dB mA 25 Full 25 Full 25 MIN 80 70 70 60 TYP 120 105 110 105 16.5 19 16 18 15 25 8 20 200 MAX 20 23 20 23 25 35 15 30 260 UNITS V/s V/s V/s V/s ns ns ns ns % % % % ns
Test Circuits and Waveforms
IN +
-
OUT 800 AV = +5
200
FIGURE 1. LARGE AND SMALL SIGNAL RESPONSE CIRCUIT
IN 0V
IN 0V
OUT 0V
OUT 0V
VOUT = 5V, AV = +5, RL = 1K, CL 10pF FIGURE 2. LARGE SIGNAL RESPONSE
VOUT = 100mV, AV = +5, RL = 1K, CL 10pF FIGURE 3. SMALL SIGNAL RESPONSE
3
HA-2548 Test Circuits and Waveforms
(Continued)
+15V 100 2N4415 1K 5K 3.16K +15V + AUT VIN 400 2K VOUT 10pF -15V TO OSCILLOSCOPE
IN 0V
-
OUT 0V
OUT 0V
NOTES: 6. AV = -5. 7. Feedback and summing resistors should be 0.1% matched. 8. Clipping diodes are optional. HP5082-2810 recommended. FIGURE 4. SETTLING TIME TEST CIRCUIT AV = -5, Output = -10V Output Scale Vertical: 1mV/Div., Horizontal: 50ns/Div.
FIGURE 5. HA-2548 SETTLING TIME
Schematic Diagram
V+ RB3 QPB26 QPB3 RB4 QPB4 RA1 QPA1 RA2 QPA2 C1 RC1 RB21 QP21
QP119 QN13 QN14 QPA5 QP19 QNB8 QP111 RB8 RBFR QPB20 QN113 QN17 QN15 QN11 R11 QN12 R12 QP117 QN114 QNA9A QN120 QN
120
QPA6 QNO10 RO2 QNO2 QNA9B RO1 QPO6 RO3 VOUT RO4 QPO11 QPO7 QNO3
QN18 QN16
QP110 QP112
QNA11 QNA12
QNB11 QNB14 QNB
13
QNB10 QNB16 RB16 RAB
AL1
QNA13 QNB18
QNB15 R B15
RB14
RB13
RA
11
RA
12B
RA
12
RA
13B
RA
13
RA
BAL2
RB18
RA 12A +IN -IN BAL
RA 13A VBAL
4
HA-2548 Application Information
8 1 7
CC
2
+ 3 4 5
6
NOTE: 9. Tested Offset Adjustment Range is |VOS +1mV| minimum referred to output. Typical range is 20mV with RT = 10k.
10k
V-
FIGURE 6. SUGGESTED VOS ADJUSTMENT AND COMPENSATION HOOK UP
Typical Performance Curves
1000 800 600
VS = 15V, TA = 25oC
20 18 16 14 CURRENT (nA) 12 10 8 6 4 2 IB IIO
400 VIO (V) 200 0
-200 -400 -600 -800
-1000 -55
-25
25 TEMPERATURE (oC)
75
125
0 -55
-25
25 TEMPERATURE (oC)
75
125
FIGURE 7. V IO vs TEMPERATURE (3 REPRESENTATIVE UNITS)
FIGURE 8. OFFSET CURRENT/BIAS CURRENT vs TEMPERATURE
92 300 200 100 0 -100 -200 -300 0 1.0 2.0 3.0 4.0 TIME (MINUTES) 5.0 6.0 82 -55 -25 25 REJECTION (dB) 90
VCM = 2V, VS = 10V to 20V
OFFSET CHANGE (V)
88 PSRR 86 CMRR 84
75
125
TEMPERATURE (oC)
FIGURE 9. VIO WARM-UP DRIFT (NORMALIZED FROM ZERO) (4 REPRESENTATIVE UNITS)
FIGURE 10. PSRR/CMRR vs TEMPERATURE
5
HA-2548 Typical Performance Curves
13.5
VS = 15V, TA = 25oC
(Continued)
150
RL = 1k, CL = 10pF, VOUT = 10V
13.0
140
I CC (mA)
12.5
AVOL (dB)
130
12.0
120
11.5
110
11.0 -55
-25
25 75 TEMPERATURE (oC)
125
100 -55
-25
25 TEMPERATURE (oC)
75
125
FIGURE 11. ICC vs TEMPERATURE
FIGURE 12. AVOL vs TEMPERATURE
500 13 RL = 1k, CL = 10pF 400 300 200 VOUT (V) VIO (V) 12 100 0 -100 -200 -300 -400 10 -55 -25 25 TEMPERATURE (oC) 75 125 -500 9 10 11 12 13 14 VCC (V) 15 16 17 18 125oC 25oC -55 oC
11
FIGURE 13. VOUT vs TEMPERATURE
FIGURE 14. VIO vs VCC vs TEMPERATURE
136 134 132 130 AVOL (dB) 128 126 124 122 120 118 116 9 10 11 12 13 14 VCC (V) 15 16 17 18 VOUT = 15V at VCC = 10V, VOUT = 10V at VCC = 15V VOUT = 12V at VCC = 18V -55oC VOUT (V) 25oC 125oC
16 15 14 13 12 11 10 9 8 7 6 9 10 11 12 13 14 VCC (V) 15 16 17 18 25oC -55oC RL = 1k 125oC
FIGURE 15. AVOL vs VCC vs TEMPERATURE
FIGURE 16. VOUT vs VCC vs TEMPERATURE
6
HA-2548 Typical Performance Curves
16
VS = 15V, TA = 25oC
(Continued)
VIN = 3V FOR 100, VIN = 5V FOR 200 140 VIN = 10V FOR 600 TO 10k 135 130 A VOL 13 VOUT 12 11 10 9 8 200 400 600 1000 RL () 2000 4000 10000 VOUT (V) 50
14
12 ICC (mA) AVOL (dB) 6 8 10 12 VCC (V) 14 16 18 125 120 115 110 105 6 100 100
10
8
FIGURE 17. SUPPLY CURRENT vs SUPPLY VOLTAGE
FIGURE 18. AVOL/VOUT vs RL
140
RL = 1k, CL = 10pF AV = +5, VOUT = 5V (10VP-P)
22 21 20 19 RISE TIME (ns)
RL = 1k, CL = 10pF AV = +5, VOUT = 100mV (200mVP-P)
130 SLEW RATE (V/s)
120
18 17 16 15
110
100
14 13
90 -55
-25
25 75 TEMPERATURE (oC)
125
12 -55
-25
25 TEMPERATURE (oC)
75
125
FIGURE 19. SLEW RATE vs TEMPERATURE
FIGURE 20. RISE TIME vs TEMPERATURE
35 30 25
150 AV = +5, VOUT = 100mV (200mVP-P) RL = 1k, CL 10pF
OVERSHOOT (%)
100 20 15 10 5 0 -55 0 0 10 20 30 CAPACITANCE (pF) 40 GBW (MHz) 50 -25 25 TEMPERATURE (oC) 75 125
FIGURE 21. OVERSHOOT vs TEMPERATURE
FIGURE 22. GAIN BANDWIDTH PRODUCT vs COMPENSATION CAPACITANCE TO GND
7
HA-2548 Typical Performance Curves
140 100 120 GAIN (dB) SLEW RATE (V/s) 80 60 40 20 0 AV = -5 AVOL PHASE (DEGREES)
VS = 15V, TA = 25oC
(Continued)
RL = 1k, CL 10pF
100
80
0 45 90
60
40
135 180
20 0 5 10 15 20 25 30 35 40 45 CAPACITANCE (pF)
10
100
1K
10K
100K
1M
10M
100M
FREQUENCY (Hz)
FIGURE 23. SLEW RATE vs COMPENSATION CAPACITANCE TO GND
FIGURE 24. GAIN AND PHASE vs FREQUENCY
40
2.0
NOISE VOLTAGE (nV/Hz)
NOISE CURRENT (pA/Hz) 10 100 1K FREQUENCY (Hz) 10K 100K
30
1.5
20
1.0
10
0.5
0
0 10
100
1K FREQUENCY (Hz)
10K
100K
FIGURE 25. INPUT NOISE VOLTAGE DENSITY
FIGURE 26. INPUT NOISE CURRENT DENSITY
P-P(RTI) = 691.4nV, RMS(RTI) = 116.5nV, AV = 25000 FIGURE 27. PEAK TO PEAK NOISE 0.1Hz TO 10Hz
P-P(RTI) = 4.004V, RMS(RTI) = 664.5nV, AV = 25000 FIGURE 28. PEAK TO PEAK NOISE 0.1Hz TO 1MHz
8
HA-2548 Typical Performance Curves
-20 -30 -40 -PSRR/CMRR -50 RR (dB) -60 -70 -80 -90 -100 10 100 1K 10K 100K 1M 10M +PSRR
VS = 15V, TA = 25oC
(Continued)
AV = 10, VIN = 300mVRMS
FREQUENCY (Hz)
FIGURE 29. REJECTION RATIOS vs FREQUENCY
Die Characteristics
DIE DIMENSIONS: 85 mils x 91 mils x 19 mils 2160m x 2320m x 483m METALLIZATION: Type: Aluminum, 1% Copper Thickness: 16kA 2kA SUBSTRATE POTENTIAL VNOTE: The substrate may be left floating (Insulating Die Mount) or it may be mounted on conductor at V- potential.
PASSIVATION: Type: Nitride over Silox Silox Thickness: 12kA 2kA Nitride Thickness: 3.5kA 1kA TRANSISTOR COUNT: 60
Metallization Mask Layout
HA-2548
+BAL COMP
-IN
V+
+IN
OUT
V-
-BAL
9

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