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HA-2540
Data Sheet September 1998 File Number 2897.3
400MHz, Fast Settling Operational Amplifier
The Intersil HA-2540 is a wideband, very high slew rate, monolithic operational amplifier featuring superior speed and bandwidth characteristics. Bipolar construction coupled with dielectric isolation allows this truly differential device to deliver outstanding performance in circuits where closed loop gain is 10 or greater. Additionally, the HA-2540 has a drive capability of 10V into a 1k load. Other desirable characteristics include low input voltage noise, low offset voltage, and fast settling time. A 400V/s slew rate ensures high performance in video and pulse amplification circuits, while the 400MHz gainbandwidth product is ideally suited for wideband signal amplification. A settling time of 140ns also makes the HA-2540 an excellent selection for high speed Data Acquisition Systems. Refer to Application Note AN541 and Application Note AN556 for more information on High Speed Op Amp applications. HA-2540/883 MIL-STD-883 data sheet is available on request. For a lower power version of this product, please see the HA-2850 datasheet.
Features
* Very High Slew Rate . . . . . . . . . . . . . . . . . . . . . . 400V/s * Fast Settling Time. . . . . . . . . . . . . . . . . . . . . . . . . . . 140ns * Wide Gain Bandwidth (AV 10) . . . . . . . . . . . . . . 400MHz * Power Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . 6MHz * Low Offset Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 8mV * Input Voltage Noise . . . . . . . . . . . . . . . . . . . . . . . 6nV/Hz * Output Voltage Swing . . . . . . . . . . . . . . . . . . . . . . . . 10V * Monolithic Bipolar Construction
Applications
* Pulse and Video Amplifiers * Wideband Amplifiers * High Speed Sample-Hold Circuits * Fast, Precise D/A Converters
Ordering Information
PART NUMBER HA1-2540-2 HA1-2540-5 TEMP. RANGE (oC) -55 to 125 0 to 75 0 to 75 0 to 75 PACKAGE 14 Ld CERDIP 14 Ld CERDIP 14 Ld PDIP 14 Ld PDIP PKG. NO. F14.3 F14.3 E14.3 E14.3
Pinout
HA-2540 (CERDIP, PDIP) TOP VIEW
NC 1 NC 2 NC 3 -IN 4 +IN 5 V- 6 NC 7 + 14 NC 13 NC 12 NC 11 V+
HA3-2540-5 HA3-2540C-5
-
10 OUTPUT 9 NC 8 NC
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-2540
Absolute Maximum Ratings
Voltage Between V+ and V- Terminals. . . . . . . . . . . . . . . . . . . . 35V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Output Current . . . . . . . . . . . . . . 33mARMS Continuous, 50mAPEAK
Thermal Information
Thermal Resistance (Typical, Note 2) JA (oC/W) JC (oC/W) CERDIP Package. . . . . . . . . . . . . . . . . 75 20 PDIP Package . . . . . . . . . . . . . . . . . . . 107 N/A Maximum Internal Power Dissipation (Note 1) Maximum Junction Temperature (Ceramic 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-2540-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC HA-2540/2540C-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.
NOTES: 1. Maximum power dissipation with load conditions must be designed to maintain the maximum junction temperature below 175oC for the ceramic package, and below 150oC for the plastic package. By using Application Note AN556 on Safe Operating Area Equations, along with the thermal resistances, proper load conditions can be determined. Heat sinking is recommended above 75oC. 2. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
PARAMETER INPUT CHARACTERISTICS Offset Voltage
VSUPPLY = 15V, RL = 1k, CL < 10pF, Unless Otherwise Specified TEMP (oC) HA-2540-2 MIN TYP MAX MIN HA-2540-5 TYP MAX MIN HA-2540C-5 TYP MAX UNITS
25 Full
10 -
8 13 20 5 1 10 1 6 6
10 15 20 25 6 8 -
10 -
8 13 20 5 1 10 1 6 6
15 20 20 25 6 8 -
10 -
8 13 20 5 1 10 1 6 6
15 20 20 25 6 8 -
mV mV V/oC A A A A k pF V pA/Hz nV/Hz
Average Offset Voltage Drift Bias Current
Full 25 Full
Offset Current
25 Full
Input Resistance Input Capacitance Common Mode Range Input Noise Current (f = 1kHz, RSOURCE = 0) Input Noise Voltage (f = 1kHz, RSOURCE = 0) TRANSFER CHARACTERISTICS Large Signal Voltage Gain (Note 3)
25 25 Full 25 25
25 Full
10 5 60 10 10 10 5.5
15 72 400
-
10 5 60 10 10 10 5.5
15 72 400
-
7 5 60 10 10 10 5.5
10 72 400
-
kV/V kV/V dB V/V MHz
Common-Mode Rejection Ratio (Note 4) Minimum Stable Gain Gain Bandwidth Product (Notes 5, 6) OUTPUT CHARACTERISTICS Output Voltage Swing (Notes 3, 10) Output Current (Note 3) Output Resistance Full Power Bandwidth (Notes 3, 7) TRANSIENT RESPONSE (Note 8) Rise Time Overshoot Slew Rate Settling Time: 10V Step to 0.1%
Full 25 25
Full 25 25 25
20 30 6
-
20 30 6
-
20 30 6
-
V mA MHz
25 25 25 25
320 -
14 5 400 140
-
320 -
14 5 400 140
-
320 -
14 5 400 140
-
ns % V/s ns
2
HA-2540
Electrical Specifications
PARAMETER POWER REQUIREMENTS Supply Current Power Supply Rejection Ratio (Note 9) Full Full 60 20 70 25 60 20 70 25 60 20 70 25 mA dB VSUPPLY = 15V, RL = 1k, CL < 10pF, Unless Otherwise Specified (Continued) TEMP (oC) HA-2540-2 MIN TYP MAX MIN HA-2540-5 TYP MAX MIN HA-2540C-5 TYP MAX UNITS
NOTES: 3. RL = 1k, VO = 10V. 4. VCM = 10V. 5. VO = 90mV. 6. AV = 10. Slew Rate 7. Full power bandwidth guaranteed based on slew rate measurement using: FPBW = --------------------------- . 2V PEAK 8. Refer to Test Circuits section of the data sheet. 9. VSUPPLY = +5V, -15V and +15V, -5V. 10. Guaranteed range for output voltage is 10V. Functional operation outside of this range is not guaranteed.
Test Circuits and Waveforms
VIN +
-
VOUT 900
NOTES:
100
11. AV = +10. 12. CL 10pF.
FIGURE 1. LARGE AND SMALL SIGNAL RESPONSE TEST CIRCUIT
A
B
Vertical Scale: A = 0.5V/Div., B = 5.0V/Div. Horizontal Scale: 50ns/Div. LARGE SIGNAL RESPONSE
V+ 0.001F
Vertical Scale: Input = 10mV/Div.; Output = 50mV/Div. Horizontal Scale: 20ns/Div. SMALL SIGNAL RESPONSE NOTES: 13. AV = -10. 14. Load Capacitance should be less than 10pF. Turn on time delay typically 4ns. 15. It is recommended that resistors be carbon composition and the feedback and summing network ratios be matched to 0.1%.
PROBE MONITOR
1F INPUT 200 +
-
OUTPUT 0.001F
500
1F
VSETTLE POINT
2k 5k
16. SETTLE POINT (Summing Node) capacitance should be less than 10pF. For optimum settling time results, it is recommended that the test circuit be constructed directly onto the device pins. A Tektronix 568 Sampling Oscilloscope with S-3A sampling heads is recommended as a settle point monitor.
FIGURE 2. SETTLING TIME TEST CIRCUIT
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HA-2540 Schematic Diagram
R23 QP22 QP19 R24 VQP25 R22 VQN2 QN1 R6 + INPUT R7 QP8 R18 OUTPUT QP23 QN21 R8 QP3 - INPUT R21 Z1 R25 V+ R10 QN20 DZ1 DZ2 QN14 R11 R12 QN29 R14 QN15 R16 QN13 QN16 R15 R17 V+ QN25 QP4 R9 QN10 R19 QP11 C1 C2 RC2 QN7 QN9 QP17 R13 QP5 R5 R1 QP18 R2 QP28 R3 R4 QP6 V+
QN12
V-
Typical Applications
2K 200 + C1 (NOTE 18) 10K R2 4K SIGNAL OUT R1 4K V+
-
1K HA-2540 V+ OFFSET ADJUST VR5 (NOTE 19) 2K CF (NOTE 17)
1K
+
HA-2540 0.1F R3 4K R4 4K
NOTES: NOTE: With one HA-2540 and two low capacitance switching diodes, signals exceeding 10MHz can be separated. This circuit is most useful for full wave rectification, AM detectors or sync generation. FIGURE 3. WIDEBAND SIGNAL SPLITTER 17. Used for experimental purposes. CF 3pF.
V-
18. C1 is optional (0.001F 0.01F ceramic). 19. R5 is optional and can be utilized to reduce input signal amplitude and/or balance input conditions. R5 = 500 to 1k. FIGURE 4. BOOTSTRAPPING FOR MORE OUTPUT CURRENT AND VOLTAGE SWING
Refer to Application Note AN541 For Further Application Information.
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HA-2540 Typical Performance Curves
100 OUTPUT VOLTAGE SWING (VP-P) 90 CLOSED LOOP GAIN (dB) 80 70 60 50 40 30 20 10 0 -10 100 1K 10K 100K 1M 10M 100M 28 24 20 16 12 8 4 0 1K VS = 5V VS = 10V VS = 15V
10K
100K
1M
10M
100M
FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 5. CLOSED LOOP FREQUENCY RESPONSE
FIGURE 6. OUTPUT VOLTAGE SWING vs FREQUENCY
NORMALIZED PARAMETERS REFERRED TO VALUES AT 25oC 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 -80 SLEW RATE BANDWIDTH
OUTPUT VOLTAGE SWING (VP-P)
28 24 20 16 12 8 4 0 0 200 400 600 800 1K 1.2K RESISTANCE ()
-40
0
40
80
120
160
TEMPERATURE (oC)
FIGURE 7. OUTPUT VOLTAGE SWING vs LOAD RESISTANCE
FIGURE 8. NORMALIZED AC PARAMETERS vs TEMPERATURE
28 10 OUTPUT VOLTAGE STEP (V) 8 6 4 2 0 -2 -4 -6 -8 -10 0 40 80 120 160 200 240 0 -80 -40 0 40 80 120 160 10mV 1mV SUPPLY CURRENT (mA) 1mV 10mV 24 20 16 12 8 4 VS = 15V
VS = 5V
SETTLING TIME (ns)
TEMPERATURE (oC)
FIGURE 9. SETTLING TIME FOR VARIOUS OUTPUT STEP VOLTAGES
FIGURE 10. POWER SUPPLY CURRENT vs TEMPERATURE
5
HA-2540 Typical Performance Curves
14 12 INPUT BIAS CURRENT (A) OFFSET VOLTAGE 10 8 6 BIAS CURRENT 4 2 0 -80 2 1 0 160 5 4 3
(Continued)
7 RSOURCE = 0, VS = 15 6 |VIO| OFFSET VOLTAGE (mV) 25 NOISE VOLTAGE (nV/Hz) 50 40 30 20 10 0 100K NOISE CURRENT (pA/Hz) 10M PHASE (DEGREES)
20
15
CURRENT NOISE
10 VOLTAGE NOISE 5
-40
0
40
80
120
0 10
100
TEMPERATURE (oC)
1K FREQUENCY (Hz)
10K
FIGURE 11. INPUT OFFSET VOLTAGE AND BIAS CURRENT vs TEMPERATURE
+40V +30V +20V +10V 0V -10V
FIGURE 12. INPUT NOISE VOLTAGE AND NOISE CURRENT vs FREQUENCY
VS = 15, RL = 1K 120 100 CMRR (dB) 80 60 40
-20V -30V -40V 20 0 1K
Vertical Scale: 10mV/Div. Horizontal Scale: 50ms/Div. FIGURE 13. BROADBAND NOISE (0.1Hz TO 1MHz)
10K
100K FREQUENCY (Hz)
1M
FIGURE 14. COMMON MODE REJECTION RATIO vs FREQUENCY
100
100 0
80 OPEN LOOP GAIN (dB)
80 GAIN 60 PHASE 90 40 135 20 180 0 -10 100 45
PSRR (dB)
60 POSITIVE SUPPLY 40 NEGATIVE SUPPLY
20
0 1K
225 1K 10K 100K 1M 10M FREQUENCY (Hz) 100M
10K
100K FREQUENCY (Hz)
1M
10M
FIGURE 15. POWER SUPPLY REJECTION RATIO vs FREQUENCY
FIGURE 16. OPEN LOOP GAIN/PHASE vs FREQUENCY
Die Characteristics
6
HA-2540
DIE DIMENSIONS: 62 mils x 76 mils x 19 mils 1575 mx 1930m x 483m METALLIZATION: Type: Al, 1% Cu Thickness: 16kA 2kA PASSIVATION: Type: Nitride (Si3N4) over Silox (SiO2, 5% Phos.) Silox Thickness: 12kA 2kA Nitride Thickness: 3.5kA 1.5kA SUBSTRATE POTENTIAL (Powered Up): VTRANSISTOR COUNT: 30 PROCESS: Bipolar Dielectric Isolation
Metallization Mask Layout
HA-2540
V+
OUTPUT
V-
-IN
+IN
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 http://www.intersil.com
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