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HA-2400, HA-2404, HA-2405
November 1996
40MHz, PRAM Four Channel Programmable Amplifiers
Description
THA-2400/04/05 comprise a series of four-channel programmable amplifiers providing a level of versatility unsurpassed by any other monolithic operational amplifier. Versatility is achieved by employing four input amplifier channels, any one (or none) of which may be electronically selected and connected to a single output stage through DTL/TTL compatible address inputs. The device formed by the output and the selected pair of inputs is an op amp which delivers excellent slew rate, gain bandwidth and power bandwidth performance. Other advantageous features for these dielectrically isolated amplifiers include high voltage gain and input impedance coupled with low input offset voltage and offset current. External compensation is not required on this device at closed loop gains greater than 10. Each channel of the HA-2400/04/05 can be controlled and operated with suitable feedback networks in any of the standard op amp configurations. This specialization makes these amplifiers excellent components for multiplexing signal selection and mathematical function designs. With 30V/s slew rate, 40MHz gain bandwidth and 30M input impedance these devices are ideal building blocks for signal generators, active filters and data acquisition designs. Programmability, coupled with 4mV typical offset voltage and 5nA offset current, makes these amplifiers outstanding components for signal conditioning circuits. During Disable Mode VOUT goes to V-. For high output impedance during Disable, see HA2444. For further design ideas, see Application Note AN514.
Features
* Programmability * High Rate Slew . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V/s * Wide Gain Bandwidth . . . . . . . . . . . . . . . . . . . . . 40MHz * High Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150kV/V * Low Offset Current . . . . . . . . . . . . . . . . . . . . . . . . . .5nA * High Input Impedance . . . . . . . . . . . . . . . . . . . . . . 30M * Single Capacitor Compensation * DTL/TTL Compatible Inputs
Applications
* Thousands of Applications; Program - Signal Selection/Multiplexing - Operational Amplifier Gain - Oscillator Frequency - Filter Characteristics - Add-Subtract Functions - Integrator Characteristics - Comparator Levels
Ordering Information
PART NUMBER HA1-2400-2 HA1-2404-4 HA1-2405-5 HA3-2405-5 TEMP. RANGE (oC) -55 to 125 -25 to 85 0 to 75 0 to 75 PACKAGE 16 Ld CERDIP 16 Ld CERDIP 16 Ld CERDIP 16 Ld PDIP PKG. NO. F16.3 F16.3 F16.3 E16.3
Pinout
TRUTH TABLE HA-2400/04 (CERDIP) HA-2405 (CERDIP, PDIP) TOP VIEW)
+IN3 1 -IN3 2 + 3 3 16 D0 DECODE CONTROL 15 D1 14 ENABLE 4 -IN4 -IN1 4 5 13 GND 12 1 +IN1 6 -IN2 7 + 11 COMP V+
D1 L L H H X
D0 L H L H X
EN H H H H L
SELECTED CHANNEL 1 2 3 4 None, VOUT goes to V-
D1 L L H H X
+
+IN4 3
-
2 + OUTPUT AMP
10 OUT 9 V-
+IN2 8
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
File Number
2891.2
3-161
HA-2400, HA-2404, HA-2405
Absolute Maximum Ratings
TA = 25oC
Thermal Information
Thermal Resistance (Typical, Note 2) JA (oC/W) JC (oC/W) PDIP Package . . . . . . . . . . . . . . . . . . . 80 N/A CERDIP Package . . . . . . . . . . . . . . . . 90 35 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)
Voltage Between V+ and V- Terminals . . . . . . . . . . . . . . . . . . 45.0V Differential Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . VSUPPLY Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . . . -0.76V to +10.0V Output Current . . . . . . . . . . . Short Circuit Protected, ISC <33mA) Internal Power Dissipation (Note 1)
Operating Conditions
Temperature Range HA-2400-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC HA-2404-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25oC to 85oC HA-2405-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 including output load, must be designed to maintain the junction temperature below 175oC for the ceramic package, and below 150oC for the plastic packages. 2. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
Test Conditions: VSUPPLY = 15V, Unless Otherwise Specified. Digital Inputs: VIL = +0.5V, VIH = +2.4. Limits apply to each of the four channels, when addressed TEST CONDITIONS TEMP. (oC) HA-2400/04 MIN TYP MAX MIN HA-2405 TYP MAX UNITS
PARAMETER INPUT CHARACTERISTICS Offset Voltage
25 Full
9.0
4 50 5 30 -
9 11 200 400 50 100 -
9.0
4 50 5 30 -
9 11 250 500 50 100 -
mV mV nA nA nA nA M V
Bias Current (Note 8)
25 Full
Offset Current (Note 8)
25 Full
Input Resistance (Note 8) Common Mode Range TRANSFER CHARACTERISTICS Large Signal Voltage Gain RL = 2k VOUT = 20VP-P Common Mode Rejection Ratio Gain Bandwidth (Notes 3, 9) Gain Bandwidth (Notes 4, 9) Minimum Stable Gain OUTPUT CHARACTERISTICS Output Voltage Swing Output Current Full Power Bandwidth (Notes 3, 10) Full Power Bandwidth (Notes 4, 10) TRANSIENT RESPONSE (Note 11) Rise Time (Note 4) Overshoot (Note 4) Slew Rate (Note 3) Slew Rate (Notes 4, 9) VOUT = 200mVPEAK VOUT = 200mVPEAK VOUT = 10VP-P VOUT = 10VP-P VOUT = 20VP-P VOUT = 20VP-P RL = 2k (CCOMP = 0) VCM = 5V
25 Full
25 Full Full 25 25
50 25 80 20 4 10
150 100 40 8 -
-
50 25 74 20 4 10
150 100 40 8 -
-
kV/V kV/V dB MHz MHz V/V
Full 25 25 25
10.0 10 640 200
12.0 20 950 250
-
10.0 10 640 200
12.0 20 950 250
-
V mA kHz kHz
25 25 25 25
20 6
20 25 30 8
45 40 -
20 6
20 25 30 8
50 40 -
ns % V/s V/s
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HA-2400, HA-2404, HA-2405
Electrical Specifications
Test Conditions: VSUPPLY = 15V, Unless Otherwise Specified. Digital Inputs: VIL = +0.5V, VIH = +2.4. Limits apply to each of the four channels, when addressed (Continued) TEST CONDITIONS VOUT = 10VP-P TEMP. (oC) 25 HA-2400/04 MIN TYP 1.5 MAX 2.5 MIN HA-2405 TYP 1.5 MAX 2.5 UNITS s
PARAMETER Settling Time (Notes 4, 5, 9)
CHANNEL SELECT CHARACTERISTICS Digital Input Current Digital Input Current Output Delay (Notes 6, 9) Crosstalk (Note 7) POWER SUPPLY CHARACTERISTICS Supply Current Power Supply Rejection Ratio NOTES: 3. AV = +10, CCOMP = 0, RL = 2k, CL = 50pF. 4. AV = +1, CCOMP = 15pF, RL = 2k, CL = 50pF. 5. To 0.1% of final value. 6. To 10% of final value; output then slews at normal rate to final value. 7. Unselected input to output; VIN = 10VDC. 8. Unselected channels have approximately the same input parameters. 9. Guaranteed by design. 10. Full Power Bandwidth based on slew rate measurement using: FPBW = -------------------------- ; V PEAK = 5V . 2V PEAK 11. See Figure 13 for test circuit.
SR
VIN = 0V VIN = +5.0V
Full Full 25 25
-80
1 5 100 -110
1.5 250 -
-74
1 5 100 -110
1.5 250 -
mA nA ns dB
25 VS = 10V to 20V Full
74
4.8 90
6.0 -
74
4.8 90
6.0 -
mA dB
Schematic Diagram
HA-2400
IN+ Q1 R3 1.8K Q2 R4 22.9K ENABLE Q3 Q5 Q4 Q27 Q6 Q7 Q8 Q9 R35 1.6K GND R6 2.0K R5 8.0K R14 10K Q20 Q21 Q19 Q22 Q24 VD Q23 Q39 Q40 Q13 VC Q26 Q32 Q25 Q33 VE Q28 R2 2.4K R1 1.6K R12 1.6K Q29 R13 0.8K Q30 Q102 Q34 R18 2.0K Q31 Q35 Q103 Q36 Q37 R35 0.75K Q86 R30 Q87 1.2K C1 9.0pF V+ Q41 Q88 Q89 INCOMP Q82 Q81 Q84 Q80 Q83 R33 4K Q92 Q93 Q94 Q95 Q97 Q100 Q85 R34 1.6K Q98 Q99 Q101 R32 34 OUT R31 36.5 Q96 +VCC
Q79
Q18 R7 5.6K Q10
Q38
Q11
Q12 Q14
Q90
Q91
Q17 VB Q15 R8 R10 4K R 10K 9 Q16 1.5K VA R11 10K R15 10K R16 10K R17 1.6K Q42 R19 1.6K
TO ADDITIONAL INPUT STAGES R29 0.4K -VEE
D0
D1
Diagram Includes: One Input Stage, Decode Control, Bias Network, and Output Stage
3-163
HA-2400, HA-2404, HA-2405 Typical Applications
IN 1 2 3 4 5 6 7 8 +2 + OUTPUT AMP +1 COMP 12 GND 13 DIGITAL GROUND IN 6 15pF +15V OUT -15V 7 8 + 4 + 3 D0 16 DECODE/ CONTROL D1 15 ENABLE 14 D0 1 DIGITAL CONTROL 2 3 4 5 + 4 + 3 DECODE/ CONTROL D1 15 16
-
ENABLE 14 GND 13 COMP
S H DIGITAL GROUND C +15V OUT -15V
+1 12
-
V+ 11 10 V- 9
+
-2
OUTPUT AMP
V+ 11 10 V- 9
2K
1K
I1 Sample Charging Rate = ---- V s C I2 Hold Drift Rate = ---- V s C Q -V Switch Pedestal Error = --C I1 150 x 10-6A I2 200 x 10-9A at 25oC 600 x 10-9A at -55oC 100 x 10-9A at 125oC Q 2 x 10-12C FIGURE 2. HA-2400 SAMPLE AND HOLD
500
500
FIGURE 1. HA-2400 AMPLIFIER, NONINVERTING PROGRAMMABLE GAIN
For more examples, see Intersil Application Note AN514.
3-164
HA-2400, HA-2404, HA-2405 Typical Performance Curves
NORMALIZED VALUE REFERRED TO 25oC 140 120 100 CURRENT (nA) 80 60 40 10 5 0 -55 OFFSET CURRENT BIAS CURRENT 1.2
1.1
BANDWIDTH
1.0
0.9
SLEW RATE
0.8 -55 -50 -25 0 25 50 TEMPERATURE (oC) 75 100 125
-50
-25
0 25 50 TEMPERATURE (oC)
75
100
125
FIGURE 3. INPUT BIAS CURRENT AND OFFSET CURRENT vs TEMPERATURE
5
FIGURE 4. NORMALIZED AC PARAMETERS vs TEMPERATURE
120 OPEN LOOP VOLTAGE GAIN (dB) VSUPPLY = 20V VSUPPLY = 15V VSUPPLY = 10V 100 80 60 40 20 0 -20 10
CROSSTALK REJECTION, AV = +1
0 30 60 PHASE (DEGREES)
SUPPLY CURRENT (mA)
4
PHASE 90 120 150 CCOMP = 0pF CCOMP = 15pF 100 1K 180 210 100M
GAIN 10M
3
-55
-50
-25
0 25 50 TEMPERATURE (oC)
75
100
125
10K 100K 1M FREQUENCY (Hz)
FIGURE 5. POWER SUPPLY CURRENT vs TEMPERATURE
120 OPEN LOOP VOLTAGE GAIN (dB) 100 80 60 40 20 0 -20 10 100pF 300pF 1000pF 0pF 15pF 30pF
FIGURE 6. OPEN LOOP FREQUENCY AND PHASE RESPONSE
1.2
NORMALIZED VALUE REFERRED TO 15V
1.1
1.0 BANDWIDTH 0.9 SLEW RATE
100
1K
10K 100K 1M FREQUENCY (Hz)
10M
100M
0.8 10
15 SUPPLY VOLTAGE (V)
20
FIGURE 7. FREQUENCY RESPONSE vs CCOMP
FIGURE 8. NORMALIZED AC PARAMETERS vs SUPPLY VOLTAGE
3-165
HA-2400, HA-2404, HA-2405 Typical Performance Curves
110 VSUPPLY = 20V VSUPPLY = 15V VSUPPLY = 10V CCOMP = 0pF CCOMP = 15pF
(Continued)
105 GAIN (dB)
OUTPUT SWING (VP-P)
20 10
100
1.0
95
90 -55
-50
-25
0 25 50 TEMPERATURE (oC)
75
100
125
0.1 10K
100K 1M FREQUENCY (Hz)
10M
FIGURE 9. OPEN LOOP VOLTAGE GAIN vs TEMPERATURE
FIGURE 10. OUTPUT VOLTAGE SWING vs FREQUENCY
1000 INPUT NOISE VOLTAGE (nV/Hz) 10 INPUT NOISE CURRENT (pA/Hz)
100
INPUT NOISE (V)
10
10K SOURCE RESISTANCE 0 SOURCE RESISTANCE
100 INPUT NOISE VOLTAGE
1
1.0
10 INPUT NOISE CURRENT
0.1
THERMAL NOISE OF 10K RESISTOR 0.1 100Hz 1kHz 10kHz 100kHz 1MHz
1 1 10 100 1K 10K FREQUENCY (Hz)
0.01 100K
UPPER 3dB FREQUENCY (LOWER 3dB FREQUENCY-10Hz) BROADBAND NOISE CHARACTERISTICS
FIGURE 11. EQUIVALENT INPUT NOISE vs BANDWIDTH
FIGURE 12. INPUT NOISE vs FREQUENCY
COMP IN 45 + AV = 10 5 -15.0V 1800 200 50pF AV = 1 SELECTED CHANNEL 15pF +15.0V OUT
FIGURE 13. SLEW RATE AND TRANSIENT RESPONSE
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HA-2400, HA-2404, HA-2405
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil 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
Sales Office Headquarters
NORTH AMERICA Intersil Corporation P. O. Box 883, Mail Stop 53-204 Melbourne, FL 32902 TEL: (321) 724-7000 FAX: (321) 724-7240 EUROPE Intersil SA Mercure Center 100, Rue de la Fusee 1130 Brussels, Belgium TEL: (32) 2.724.2111 FAX: (32) 2.724.22.05 ASIA Intersil (Taiwan) Ltd. Taiwan Limited 7F-6, No. 101 Fu Hsing North Road Taipei, Taiwan Republic of China TEL: (886) 2 2716 9310 FAX: (886) 2 2715 3029
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