ISL28474 Intersil Corporation, ISL28474 Datasheet
ISL28474
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ISL28474 Summary of contents
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... Precision Operational Amplifier The ISL28274 is a combination of a micropower instrumentation amplifier (Amp A) with a low power precision amplifier (Amp single package. The ISL28474 consist of two micropower instrumentation amplifiers (Amp A) and two low power precision amplifiers (Amp single package. The amplifiers are optimized for operation at 2. single supplies ...
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... TOP VIEW OUT Instrumentation Amplifier = Instrumentation Amplifier Precision Amplifier ISL28274, ISL28474 V+ 16 OUT IN- IN ISL28474 (16 LD QSOP) TOP VIEW IA OUT_1 IA OUT_2 FB+_1 IA FB+ ...
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... Input Offset Drift vs Temperature OS --------------- - ΔT I Input Offset Current OS 3 ISL28274, ISL28474 Thermal Information = +25°C) Thermal Resistance 16 Ld QSOP Package . . . . . . . . . . . . . . . . . . . . . . . 24 Ld QSOP Package . . . . . . . . . . . . . . . . . . . . . . . Output Short-Circuit Duration . . . . . . . . . . . . . . . . . . . . . . .Indefinite Ambient Operating Temperature Range . . . . . . . . .-40°C to +125°C Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . +125°C ...
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... L Output low 1kΩ L Output high 100kΩ L Output high 1kΩ L ISL28274 All channels enabled ISL28474 All channels enabled ISL28274 All channels enabled ISL28474 All channels enabled R = 10Ω 10Ω +25°C, unless otherwise ...
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... 10kΩ 100Ω 100 1k 10k FREQUENCY (Hz) FIGURE 5. AMPLIFIER “A”(INAMP) FREQUENCY RESPONSE vs C LOAD 5 ISL28274, ISL28474 10k 100k 1M FIGURE 2. AMPLIFIER “A”(INAMP) FREQUENCY RESPONSE +10mV M 10k 100k 1M FIGURE 4. AMPLIFIER “A”(INAMP) FREQUENCY ...
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... L R =0/R = INF - 10k 100k FREQUENCY (Hz) FIGURE 11. AMPLIFIER “B” (OP-AMP) FREQUENCY RESPONSE vs SUPPLY VOLTAGE 6 ISL28274, ISL28474 (Continued) PSRR+ 100k 1M FIGURE 8. AMPLIFIER “A”(INAMP) INPUT VOLTAGE NOISE 1k 10k 100k FIGURE 10. AMPLIFIER “A”(INAMP) 0 10Hz INPUT ±1.2V S ...
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... L - -30 PSRR - -40 -50 -60 -70 -80 -90 -100 10 100 1k 10k TEMPERATURE (°C) FIGURE 17. AMPLIFIER “B” (OP-AMP) PSRR vs FREQUENCY 7 ISL28274, ISL28474 (Continued) -20 - -60 -80 -100 4 5 FIGURE 14. AMPLIFIER “B” (OP-AMP) INPUT OFFSET 80 100 40 0 -40 -80 -20 -120 100k ...
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... FREQUENCY (Hz) FIGURE 21. AMPLIFIER “B” (OP-AMP) CURRENT NOISE vs FREQUENCY 5.4µV P-P TIME (1s/DIV) FIGURE 23. AMPLIFIER “B” (OP-AMP) 0.1Hz TO 10Hz INPUT VOLTAGE NOISE 8 ISL28274, ISL28474 (Continued) 5.0 4.0 3.0 2.0 1 FIGURE 20. AMPLIFIER “B” (OP-AMP) LARGE SIGNAL 100 10k 100k FIGURE 22. AMPLIFIER “B” (OP-AMP) VOLTAGE NOISE vs ...
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... MEDIAN -5.0 -5.5 -6.0 MIN -6.5 -40 - TEMPERATURE (°C) FIGURE 29. DISABLED NEGATIVE SUPPLY CURRENT vs TEMPERATURE V = ±2.5V ISL28274, ISL28474 (Continued) 0 4.5 5 5.5 0 FIGURE 26. AMPLIFIER “B” (OP-AMP) ENABLE TO OUTPUT MIN 80 100 120 FIGURE 28. DISABLED POSITIVE SUPPLY CURRENT vs = INF MAX -100 -150 -200 -250 -300 ...
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... TEMPERATURE -50 -100 -150 -200 -250 -300 -40 - TEMPERATURE (°C) FIGURE 35. I BIAS (IA IN-) vs TEMPERATURE V 10 ISL28274, ISL28474 (Continued 100 -25 -75 -125 -175 MEDIAN -225 MAX -275 80 100 120 = ±2.5V. S FIGURE 32. I BIAS (IA FB+) vs TEMPERATURE V 50 ...
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... FIGURE 39. I BIAS(IN-) vs TEMPERATURE V 40 -10 -60 -110 -160 -210 -260 -310 -40 - TEMPERATURE (°C) FIGURE 41. I BIAS(IN-) vs TEMPERATURE V 11 ISL28274, ISL28474 (Continued 100 -50 MIN -100 MEDIAN -150 MAX -200 -250 80 100 120 FIGURE 38. I BIAS(IN+) vs TEMPERATURE V = ±1. ...
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... MEDIAN -200 -400 -600 MAX -800 -40 - TEMPERATURE (°C) FIGURE 47. IA INPUT OFFSET VOLTAGE vs TEMPERATURE V = ±1. ISL28274, ISL28474 (Continued) 100 n = 100 -50 -100 MEDIAN -150 MIN -200 80 100 120 FIGURE 44. INPUT OFFSET CURRENT vs TEMPERATURE 800 n = 100 MAX 600 400 ...
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... MEDIAN 105 95 MAX 85 75 -40 - TEMPERATURE (°C) FIGURE 53. PSRR vs TEMPERATURE V 13 ISL28274, ISL28474 (Continued) 145 135 125 115 105 100 120 FIGURE 50. IA CMRR vs TEMPERATURE VCM = +2.5V TO 155 n = 100 145 135 125 115 ...
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... MAX 4.9970 4.9968 4.9966 -40 - TEMPERATURE (°C) FIGURE 59. V HIGH vs TEMPERATURE R OUT V = ±2. ISL28274, ISL28474 (Continued) 170 n = 100 160 150 140 130 120 110 100 90 80 100 120 -40 = 100k. FIGURE 56. IA VOUT LOW vs TEMPERATURE R L 4.910 4 ...
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... IA IN+_1 EN_1 IN+ 1 12, 13 OUT 1 Instrumentation Amplifier V+ IN- IN+ V- CIRCUIT 1 15 ISL28274, ISL28474 (Continued) 4 100 4.2 MIN 4.0 3.8 3.6 3.4 MAX 3.2 3.0 -40 - TEMPERATURE (°C) T LOW vs TEMPERATURE R OU EQUIVALENT CIRCUIT NC No internal connection Circuit 3 Instrumentation Amplifier output ...
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... An EN pin is used to reduce power consumption, typically 4µA for the ISL28274 and 8µA for the ISL28474, while both amplifiers are disabled. The user has independent control of each amplifier via separate EN pins. ...
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... FIGURE 66. GUARD RING EXAMPLE FOR UNITY GAIN Current Limiting The ISL28274 has no internal current-limiting circuitry. If the output is shorted possible to exceed the Absolute Maximum Rating for output current or power dissipation, potentially resulting in the destruction of the device CHANNELS V+ HIGH IMPEDANCE INPUT 1/2 ISL28274 1/4 ISL28474 IN AMPLIFIER FN6345.0 December 13, 2006 ...
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... Maximum power dissipation of 1 amplifier MAX • Supply voltage S • Maximum supply current of 1 amplifier MAX • Maximum output voltage swing of the OUTMAX application • Load resistance L 18 ISL28274, ISL28474 ) for all applications (EQ MAX V OUTMAX ) × --------------------------- - R L (EQ. 2) FN6345.0 December 13, 2006 ...
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... 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 www.intersil.com 19 ISL28274, ISL28474 MDP0040 QUARTER SIZE OUTLINE PLASTIC PACKAGES FAMILY (N/2)+1 ...