Datasheet AD8571, AD8572, AD8574 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
| 页数 / 页 | 28 / 10 — AD8571/AD8572/AD8574. Data Sheet. VS = ±2.5V. S = ±1.35V. RL = 2kΩ. L = … |
| 修订版 | F |
| 文件格式/大小 | PDF / 488 Kb |
| 文件语言 | 英语 |
AD8571/AD8572/AD8574. Data Sheet. VS = ±2.5V. S = ±1.35V. RL = 2kΩ. L = 50pF. L = ∞. A = 25°C. V = 1. +OS. OOT ( H. S R E. L OV A. IGN. –OS. LL S A
该数据表的模型线
文件文字版本
AD8571/AD8572/AD8574 Data Sheet 45 V VS = ±2.5V S = ±1.35V C RL = 2kΩ L = 50pF 40 R ) T L = ∞ A = 25°C A % V = 1 35 +OS OOT ( H 30 S R E 25 L OV A 20 IGN –OS 15 LL S A 10 M S 5
025
5µs 50mV
01104-
010 100 1k 10k
028
CAPACITANCE (pF)
01104- Figure 25. Small Signal Transient Response Figure 28. Small Signal Overshoot vs. Load Capacitance
VS = ±2.5V C 0V L = 50pF RL = ∞ V A S = ±2.5V V = 1 V V IN IN = –200mV p-p (RET TO GND) CL = 0pF RL = 10kΩ AV = –100 VOUT 0V
026
5µs 50mV 20µs 1V
01104- 029
BOTTOM SCALE: 1V/DIV TOP SCALE: 200mV/DIV
01104- Figure 26. Small Signal Transient Response Figure 29. Positive Overvoltage Recovery
50 VS = ±1.35V 45 RL = 2kΩ T V A = 25°C IN ) 40 % 35 0V OOT ( VS = ±2.5V H V S 30 IN = 200mV p-p R (RET TO GND) E +OS C 25 L = 0pF RL = 10kΩ L OV –OS 0V AV = –100 A 20 IGN 15 LL S A 10 M VOUT S 5 20µs 1V 010 100 1k 10k
027 030
BOTTOM SCALE: 1V/DIV CAPACITANCE (pF) TOP SCALE: 200mV/DIV
01104- 01104- Figure 27. Small Signal Overshoot vs. Load Capacitance Figure 30. Negative Overvoltage Recovery Rev. F | Page 10 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V ELECTRICAL CHARACTERISTICS 2.7 V ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AMPLIFIER ARCHITECTURE BASIC AUTO-ZERO AMPLIFIER THEORY AUTO-ZERO PHASE AMPLIFICATION PHASE HIGH GAIN, CMRR, AND PSRR MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT 1/f NOISE CHARACTERISTICS RANDOM AUTO-ZERO CORRECTION ELIMINATES INTERMODULATION DISTORTION BROADBAND AND EXTERNAL RESISTOR NOISE CONSIDERATIONS OUTPUT OVERDRIVE RECOVERY INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL CAPACITIVE LOAD DRIVE POWER-UP BEHAVIOR APPLICATIONS INFORMATION 5 V PRECISION STRAIN GAGE CIRCUIT 3 V INSTRUMENTATION AMPLIFIER HIGH ACCURACY THERMOCOUPLE AMPLIFIER PRECISION CURRENT METER PRECISION VOLTAGE COMPARATOR OUTLINE DIMENSIONS ORDERING GUIDE
025
5µs 50mV
01104-
010 100 1k 10k
028
CAPACITANCE (pF)
01104- Figure 25. Small Signal Transient Response Figure 28. Small Signal Overshoot vs. Load Capacitance
VS = ±2.5V C 0V L = 50pF RL = ∞ V A S = ±2.5V V = 1 V V IN IN = –200mV p-p (RET TO GND) CL = 0pF RL = 10kΩ AV = –100 VOUT 0V
026
5µs 50mV 20µs 1V
01104- 029
BOTTOM SCALE: 1V/DIV TOP SCALE: 200mV/DIV
01104- Figure 26. Small Signal Transient Response Figure 29. Positive Overvoltage Recovery
50 VS = ±1.35V 45 RL = 2kΩ T V A = 25°C IN ) 40 % 35 0V OOT ( VS = ±2.5V H V S 30 IN = 200mV p-p R (RET TO GND) E +OS C 25 L = 0pF RL = 10kΩ L OV –OS 0V AV = –100 A 20 IGN 15 LL S A 10 M VOUT S 5 20µs 1V 010 100 1k 10k
027 030
BOTTOM SCALE: 1V/DIV CAPACITANCE (pF) TOP SCALE: 200mV/DIV
01104- 01104- Figure 27. Small Signal Overshoot vs. Load Capacitance Figure 30. Negative Overvoltage Recovery Rev. F | Page 10 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V ELECTRICAL CHARACTERISTICS 2.7 V ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AMPLIFIER ARCHITECTURE BASIC AUTO-ZERO AMPLIFIER THEORY AUTO-ZERO PHASE AMPLIFICATION PHASE HIGH GAIN, CMRR, AND PSRR MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT 1/f NOISE CHARACTERISTICS RANDOM AUTO-ZERO CORRECTION ELIMINATES INTERMODULATION DISTORTION BROADBAND AND EXTERNAL RESISTOR NOISE CONSIDERATIONS OUTPUT OVERDRIVE RECOVERY INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL CAPACITIVE LOAD DRIVE POWER-UP BEHAVIOR APPLICATIONS INFORMATION 5 V PRECISION STRAIN GAGE CIRCUIT 3 V INSTRUMENTATION AMPLIFIER HIGH ACCURACY THERMOCOUPLE AMPLIFIER PRECISION CURRENT METER PRECISION VOLTAGE COMPARATOR OUTLINE DIMENSIONS ORDERING GUIDE