Datasheet OP497 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | Precision Picoampere Input Current Quad Operational Amplifier |
| Páginas / Página | 16 / 3 — OP497. SPECIFICATIONS. Table 1. F Grade. G Grade. Parameter. Symbol … |
| Revisión | E |
| Formato / tamaño de archivo | PDF / 324 Kb |
| Idioma del documento | Inglés |
OP497. SPECIFICATIONS. Table 1. F Grade. G Grade. Parameter. Symbol Condition. Min. Typ. Max. Unit
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OP497 SPECIFICATIONS
TA = 25°C, VS = ±15 V, unless otherwise noted.
Table 1. F Grade G Grade Parameter Symbol Condition Min Typ Max Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS 40 75 80 150 μV −40°C ≤ +85°C 70 150 120 250 μV Average Input Offset Voltage Drift TCVOS TMIN − TMAX 0.4 1.0 0.6 1.5 μV/°C Long-Term Input Offset Voltage 0.1 0.1 μV/Month Stability Input Bias Current IB VCM = 0 V 40 150 60 200 pA −40° ≤ TA ≤ +85°C 60 200 80 300 pA Average Input Bias Current Drift TCIB −40° ≤ TA ≤ +85°C 0.3 0.3 pA/°C Input Offset Current IOS VCM = 0 V 30 150 50 200 pA −40° ≤ TA ≤ +85°C 50 200 80 300 pA Average Input Offset Current Drift TCIOS 0.3 0.4 pA/°C Input Voltage Range1 IVR ±13 ±14 ±13 ±14 V TMIN − TMAX ±13 ±13.5 ±13 ±13.5 V Common-Mode Rejection CMR VCM = ±13 V 114 135 114 135 dB TMIN − TMAX 108 120 108 120 dB Large Signal Voltage Gain AVO VO = ±10 V, RL = 2 kΩ 1500 4000 1200 4000 V/mV −40° ≤ TA ≤ +85°C 800 2000 800 2000 V/mV Input Resistance Differential Mode RIN 30 30 MΩ Input Resistance Common Mode RINCM 500 500 GΩ Input Capacitance CIN 3 3 pF OUTPUT CHARACTERISTICS Output Voltage Swing VO RL = 2 kΩ ±13 ±13.7 ±13 ±13.7 V RL = 10 kΩ, TMIN − TMAX ±13 ±14 ±13 ±14 V RL = 10 kΩ ±13 ±13.5 ±13 ±13.5 V Short Circuit ISC ±25 ±25 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = ±2 V to ±20 V 114 135 114 135 dB VS = ±2.5 V to ±20 V, TMIN − TMAX 108 120 108 120 dB Supply Current (per Amplifier) ISY No load 525 625 525 625 μA TMIN − TMAX 580 750 580 750 μA Supply Voltage Range VS Operating range ±2 ±20 ±2 ±20 V TMIN − TMAX ±2.5 ±20 ±2.5 ±20 V DYNAMIC PERFORMANCE Slew Rate SR 0.05 0.15 0.05 0.15 V/μs Gain Bandwidth Product GBW 500 500 kHz Channel Separation CS VO = 20 V p-p, fO = 10 Hz 150 150 dB NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 0.3 0.3 μV/p-p Voltage Noise Density en en = 10 Hz 17 17 nV/√Hz en = 1 kHz 15 15 nV/√Hz Current Noise Density in in = 10 Hz 20 20 fA/√Hz 1 Guaranteed by CMR test. Rev. E | Page 3 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION AC PERFORMANCE GUARDING AND SHIELDING OPEN-LOOP GAIN LINEARITY APPLICATIONS CIRCUIT PRECISION ABSOLUTE VALUE AMPLIFIER PRECISION CURRENT PUMP PRECISION POSITIVE PEAK DETECTOR SIMPLE BRIDGE CONDITIONING AMPLIFIER NONLINEAR CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE
OP497 SPECIFICATIONS
TA = 25°C, VS = ±15 V, unless otherwise noted.
Table 1. F Grade G Grade Parameter Symbol Condition Min Typ Max Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS 40 75 80 150 μV −40°C ≤ +85°C 70 150 120 250 μV Average Input Offset Voltage Drift TCVOS TMIN − TMAX 0.4 1.0 0.6 1.5 μV/°C Long-Term Input Offset Voltage 0.1 0.1 μV/Month Stability Input Bias Current IB VCM = 0 V 40 150 60 200 pA −40° ≤ TA ≤ +85°C 60 200 80 300 pA Average Input Bias Current Drift TCIB −40° ≤ TA ≤ +85°C 0.3 0.3 pA/°C Input Offset Current IOS VCM = 0 V 30 150 50 200 pA −40° ≤ TA ≤ +85°C 50 200 80 300 pA Average Input Offset Current Drift TCIOS 0.3 0.4 pA/°C Input Voltage Range1 IVR ±13 ±14 ±13 ±14 V TMIN − TMAX ±13 ±13.5 ±13 ±13.5 V Common-Mode Rejection CMR VCM = ±13 V 114 135 114 135 dB TMIN − TMAX 108 120 108 120 dB Large Signal Voltage Gain AVO VO = ±10 V, RL = 2 kΩ 1500 4000 1200 4000 V/mV −40° ≤ TA ≤ +85°C 800 2000 800 2000 V/mV Input Resistance Differential Mode RIN 30 30 MΩ Input Resistance Common Mode RINCM 500 500 GΩ Input Capacitance CIN 3 3 pF OUTPUT CHARACTERISTICS Output Voltage Swing VO RL = 2 kΩ ±13 ±13.7 ±13 ±13.7 V RL = 10 kΩ, TMIN − TMAX ±13 ±14 ±13 ±14 V RL = 10 kΩ ±13 ±13.5 ±13 ±13.5 V Short Circuit ISC ±25 ±25 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = ±2 V to ±20 V 114 135 114 135 dB VS = ±2.5 V to ±20 V, TMIN − TMAX 108 120 108 120 dB Supply Current (per Amplifier) ISY No load 525 625 525 625 μA TMIN − TMAX 580 750 580 750 μA Supply Voltage Range VS Operating range ±2 ±20 ±2 ±20 V TMIN − TMAX ±2.5 ±20 ±2.5 ±20 V DYNAMIC PERFORMANCE Slew Rate SR 0.05 0.15 0.05 0.15 V/μs Gain Bandwidth Product GBW 500 500 kHz Channel Separation CS VO = 20 V p-p, fO = 10 Hz 150 150 dB NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 0.3 0.3 μV/p-p Voltage Noise Density en en = 10 Hz 17 17 nV/√Hz en = 1 kHz 15 15 nV/√Hz Current Noise Density in in = 10 Hz 20 20 fA/√Hz 1 Guaranteed by CMR test. Rev. E | Page 3 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION AC PERFORMANCE GUARDING AND SHIELDING OPEN-LOOP GAIN LINEARITY APPLICATIONS CIRCUIT PRECISION ABSOLUTE VALUE AMPLIFIER PRECISION CURRENT PUMP PRECISION POSITIVE PEAK DETECTOR SIMPLE BRIDGE CONDITIONING AMPLIFIER NONLINEAR CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE