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HA-2600, HA-2605
September 1998 File Number 2902.3
12MHz, High Input Impedance Operational Amplifiers
HA-2600/2605 are internally compensated bipolar operational amplifiers that feature very high input impedance (500M, HA-2600) coupled with wideband AC performance. The high resistance of the input stage is complemented by low offset voltage (0.5mV, HA-2600) and low bias and offset current (1nA, HA-2600) to facilitate accurate signal processing. Input offset can be reduced further by means of an external nulling potentiometer. 12MHz unity gainbandwidth, 7V/s slew rate and 150kV/V open-loop gain enables HA-2600/2605 to perform high-gain amplification of fast, wideband signals. These dynamic characteristics, coupled with fast settling times, make these amplifiers ideally suited to pulse amplification designs as well as high frequency (e.g. video) applications. The frequency response of the amplifier can be tailored to exact design requirements by means of an external bandwidth control capacitor. In addition to its application in pulse and video amplifier designs, HA-2600/2605 are particularly suited to other high performance designs such as high-gain low distortion audio amplifiers, high-Q and wideband active filters and highspeed comparators. For more information, please refer to Application Note AN515. The HA-2600 is offered as /883 Military Grade; product and data sheet are available upon request.
Features
* Bandwidth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12MHz * High Input Impedance . . . . . . . . . . . . . . . . . . . . . 500M * Low Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . . 1nA * Low Input Offset Current . . . . . . . . . . . . . . . . . . . . . . 1nA * Low Input Offset Voltage . . . . . . . . . . . . . . . . . . . . 0.5mV * High Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150kV/V * Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V/s * Output Short Circuit Protection * Unity Gain Stable
Applications
* Video Amplifier * Pulse Amplifier * Audio Amplifiers and Filters * High-Q Active Filters * High-Speed Comparators * Low Distortion Oscillators
Pinouts
HA-2605 (PDIP) TOP VIEW
Ordering Information
PART NUMBER HA2-2600-2 HA2-2605-5 HA3-2605-5 TEMP. RANGE (oC) -55 to 125 0 to 75 0 to 75 PACKAGE 8 Pin Metal Can 8 Pin Metal Can 8 Ld PDIP PKG. NO. T8.C T8.C E8.3
BAL -IN +IN V1 2 3 4
8 COMP
+
7 V+ 6 OUT 5 BAL
HA-2600/05 (METAL CAN) TOP VIEW
COMP 8 BAL 1 2 7 V+ 6 OUT 5 BAL 4 V-
-IN
+ 3
-
+IN
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Copyright (c) Intersil Corporation 1999
HA-2600, HA-2605
Absolute Maximum Ratings
Supply Voltage Between V+ and V- Terminals . . . . . . . . . . . . . 45V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Peak Output Current . . . . . . . . . . . . . . . Full Short Circuit Protection
Thermal Information
Thermal Resistance (Typical, Note 1) JA (oC/W) JC (oC/W) Metal Can Package . . . . . . . . . . . . . . . 165 80 PDIP Package . . . . . . . . . . . . . . . . . . . 96 N/A Maximum Junction Temperature (Hermetic Package) . . . . . . . .175oC Maximum Junction Temperature (Plastic Package) . . . . . . . .150oC Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC
Operating Conditions
Temperature Range HA-2600-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC HA-2605-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to 75oC
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
VSUPPLY = 15V, Unless Otherwise Specified TEMP. (oC) HA-2600-2 MIN TYP MAX MIN HA-2605-5 TYP MAX UNITS
PARAMETER INPUT CHARACTERISTICS Offset Voltage
25 Full
100 11
0.5 2 5 1 10 1 5 500 11 0.16 12
4 6 10 30 10 30 -
40 11
3 5 5 5 300 11 0.16 12
5 7 25 40 25 40 -
mV mV V/oC nA nA nA nA M nV/Hz pA/Hz V
Average Offset Voltage Drift Bias Current
Full 25 Full
Offset Current
25 Full
Differential Input Resistance (Note 12) Input Noise Voltage Density (f = 1kHz) Input Noise Current Density (f = 1kHz) Common Mode Range TRANSFER CHARACTERISTICS Large Signal Voltage Gain (Notes 3, 6)
25 25 25 Full
25 Full
100 70 80 1 -
150 100 12
-
80 70 74 1 -
150 100 12
-
kV/V kV/V dB V/V MHz
Common Mode Rejection Ratio (Note 4) Minimum Stable Gain Gain Bandwidth Product (Note 5) OUTPUT CHARACTERISTICS Output Voltage Swing (Note 3) Output Current (Note 6) Full Power Bandwidth (Notes 6, 13) TRANSIENT RESPONSE (Note 10) Rise Time (Notes 3, 7, 8, 9) Overshoot (Notes 3, 7, 8, 9) Slew Rate (Notes 3, 7, 9, 14) Settling Time (Notes 3, 7, 15)
Full 25 25
Full 25 25
10 15 50
12 22 75
-
10 10 50
12 18 75
-
V mA kHz
25 25 25 25
4 -
30 25 7 1.5
60 40 -
4 -
30 25 7 1.5
60 40 -
ns % V/s s
2
HA-2600, HA-2605
Electrical Specifications
VSUPPLY = 15V, Unless Otherwise Specified (Continued) TEMP. (oC) HA-2600-2 MIN TYP MAX MIN HA-2605-5 TYP MAX UNITS
PARAMETER POWER SUPPLY CHARACTERISTICS Supply Current Power Supply Rejection Ratio (Note 11)
25 Full
80
3 90
3.7 -
74
3 90
4 -
mA dB
NOTES: 2. Typical and minimum specifications for -9 are identical to those of -5. All maximum specifications for -9 are identical to those of -5 except for Full Temperature Bias and Offset Currents, which are 70nA Max. 3. RL = 2k. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. VCM = 10V. VOUT < 90mV. VOUT = 10V. CL = 100pF. VOUT = 200mV. AV = +1. See Transient Response Test Circuits and Waveforms. VS = 5V. This parameter value guaranteed by design calculations. Slew Rate Full Power Bandwidth guaranteed by slew rate measurement: FPBW = --------------------------- . 2V PEAK VOUT = 5V Settling time is characterized at AV = -1 to 0.1% of a 10V step.
Test Circuits and Waveforms
200mV INPUT 0V 200mV 90% OUTPUT 10% 0V +5V INPUT -5V +5V 90% OUTPUT 10% -5V t V SLEW RATE =V/t
RISE TIME
NOTE: Measured on both positive and negative transitions from 0V to +200mV and 0V to -200mV at the output. FIGURE 1. TRANSIENT RESPONSE
FIGURE 2. SLEW RATE
V+ 100k RT
IN IN +
BAL
OUT COMP VCC
2k
OUT 100pF
NOTE: Tested offset adjustment range is |VOS + 1mV| minimum referred to output. Typical ranges are 10mV with RT = 100k. FIGURE 3. SLEW RATE AND TRANSIENT RESPONSE TEST CIRCUIT FIGURE 4. SUGGESTED VOS ADJUSTMENT AND COMPENSATION HOOK UP
3
HA-2600, HA-2605 Schematic Diagram
COMPENSATION V+ BAL R1 1K Q1 Q3 Q4 Q37 Q5 +INPUT Q8 Q13 Q11 Q6 Q30 Q7 Q9 Q10 Q12 Q17 Q18 Q16 Q15 R7 1.35 R19 2.5K RP1 R8 1K Q20 R9 4.5K R10 2.0K Q27 Q24 Q46 R11 4.0K Q21 Q22 Q23 Q49 C1 16pF R12 1.6K R13 1.6K Q48 Q50 R14 2.1K R15 800 Q51 R16 15 V-INPUT Q45 Q47 Q52 Q26 Q25 Q29 Q31 Q28 Q2 Q40 R2 4.18K R3 1.56K R4 1.56K BAL Q39 Q38 Q41 Q42 C3 16pF C4 4pF C2 9pF R5 600 Q60 Q61 R6 15
Q59 Q58
Q36 Q32
Q35 Q33 Q43
Q57 R18 30 OUT Q53 R17 30
Q44
Q55
Q54
Q56
Q19
Typical Applications
5pF +5V SILICON PHOTO DIODE IP = 50A IB = 1nA + 6V R = 40k IN + HA-2600 OUT +15V
HA-2600 + BAL
VO = -R(IP IB) +2V 50pF (NOTE) +6V 1s V+ DIGITAL CONTROL MULTIPLEXER
C
50pF (NOTE) -15V
FEATURES: 1. Constant cell voltage. 2. Minimum bias current error.
DRIFT RATE =
IBIAS C
If C = 1000pF Then DRIFT = 0.01V/s (Max)
NOTE: A small load capacitance is recommended in all applications where practical to prevent possible high frequency oscillations resulting from external wiring parasitics. Capacitance up to 100pF has negligible effect on the bandwidth or slew rate. FIGURE 5. PHOTO CURRENT TO VOLTAGE CONVERTER FIGURE 6. SAMPLE AND HOLD
4
HA-2600, HA-2605 Typical Applications
R2 R1
(Continued)
+15V
HA-2600 + VREF IBIAS BAL
R 2 V O = 1 + ------ V REF R 1
50pF (NOTE)
IN
+ HA-2600
OUT
-
50pF (NOTE) -15V V+
FEATURES: 1. Minimum bias current in reference cell. 2. Short Circuit Protection.
FEATURES 1. ZIN = 1012 (Min). 2. ZOUT = 0.01 (Max), B.W. = 12MHz (Typ). 3. Slew Rate = 4V/s (Min), Output Swing = 10V (Min) to 50kHz.
NOTE: A small load capacitance is recommended in all applications where practical to prevent possible high frequency oscillations resulting from external wiring parasitics. Capacitance up to 100pF has negligible effect on the bandwidth or slew rate. FIGURE 7. REFERENCE VOLTAGE AMPLIFIER FIGURE 8. VOLTAGE FOLLOWER
Typical Performance Curves
15
VS = 15V, TA = 25oC, Unless Otherwise Specified
100 EQUIVALENT INPUT NOISE vs BANDWIDTH
10
EQUIVALENT INPUT NOISE (V)
10 10k SOURCE RESISTANCE
CURRENT (nA)
5 OFFSET
0
1
-5 BIAS -10
0 SOURCE RESISTANCE
THERMAL NOISE OF 10K RESISTOR 0.1 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz
-15 -50 -25 0 25 50 75 100 125 TEMPERATURE (oC)
UPPER 3dB FREQUENCY (LOWER 3dB FREQUENCY = 10Hz)
FIGURE 9. INPUT BIAS CURRENT AND OFFSET CURRENT vs TEMPERATURE
120 OPEN LOOP VOLTAGE GAIN (dB) 100 80 GAIN 60 40 20 0 -20 10Hz 100Hz 60 PHASE 100 140 180 0 20 PHASE ANGLE (DEGREES)
FIGURE 10. BROADBAND NOISE CHARACTERISTICS
1000
800 IMPEDANCE (M)
600
400
200
1kHz
10kHz 100kHz FREQUENCY
1MHz 10MHz 100MHz
0 -55
-35
-15
5
25
45
65
85
105
125
TEMPERATURE (oC)
FIGURE 11. OPEN LOOP FREQUENCY RESPONSE
FIGURE 12. INPUT IMPEDANCE vs TEMPERATURE (100Hz)
5
HA-2600, HA-2605 Typical Performance Curves
20 10 PEAK VOLTAGE SWING (V)
VS = 15V, TA = 25oC, Unless Otherwise Specified
OPEN LOOP VOLTAGE GAIN (dB) 120 100 80 60 40 20 0 -20 10Hz
(Continued)
0pF 10pF 30pF
1 20V SUPPLY 15V SUPPLY 10V SUPPLY 5V SUPPLY
100pF 300pF 1000pF
0.1
100Hz
1kHz
100kHz 10kHz FREQUENCY (Hz)
1MHz
10MHz
0.01 10kHz
100kHz
1MHz FREQUENCY
10MHz
100MHz
NOTE: External compensation components are not required for stability, but may be added to reduce bandwidth if desired. If External Compensation is used, also connect 100pF capacitor from output to ground. FIGURE 14. OPEN LOOP FREQUENCY RESPONSE FOR VARIOUS VALUES OF CAPACITORS FROM COMPENSATION PIN TO GROUND
120
FIGURE 13. OUTPUT VOLTAGE SWING vs FREQUENCY
20 COMMON MODE RANGE (V)
-55oC TO 125oC
20V SUPPLY 15 GAIN (dB) 15V SUPPLY 10V SUPPLY
10
100
5
5V SUPPLY
5
10 15 SUPPLY VOLTAGE (V)
20
80 -55
-35
-15
5 25 45 65 TEMPERATURE (oC)
85
105
125
FIGURE 15. COMMON MODE VOLTAGE RANGE vs SUPPLY VOLTAGE
120 COMMON MODE REJECTION RATIO (dB)
FIGURE 16. OPEN LOOP VOLTAGE GAIN vs TEMPERATURE
1000 INPUT NOISE VOLTAGE (nV/Hz)
10 INPUT NOISE CURRENT (pA/Hz)
100
80
100
INPUT NOISE CURRENT
1
60
40
10 INPUT NOISE VOLTAGE
0.1
20
0 100Hz
1 1kHz 10kHz FREQUENCY 100kHz 1MHz 1 10 100 1K FREQUENCY (Hz) 10K
0.01 100K
FIGURE 17. COMMON MODE REJECTION RATIO vs FREQUENCY
FIGURE 18. NOISE DENSITY vs FREQUENCY
6
HA-2600, HA-2605 Die Characteristics
DIE DIMENSIONS: 69 mils x 56 mils x 19 mils 1750m x 1420m x 483m METALLIZATION: Type: Al, 1% Cu Thickness: 16kA 2kA SUBSTRATE POTENTIAL (Powered Up): Unbiased PASSIVATION: Type: Nitride (Si3N4) over Silox (SiO2, 5% Phos.) Silox Thickness: 12kA 2kA Nitride Thickness: 3.5kA 1.5kA TRANSISTOR COUNT: 140 PROCESS: Bipolar Dielectric Isolation
Metallization Mask Layout
HA-2600, HA-2605
+IN -IN
BAL
V-
COMP
BAL
V+
OUT
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site www.intersil.com 7

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