Datasheet OP281, OP481 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Ultralow Power, Rail-to-Rail Output Operational Amplifiers |
| Pages / Page | 20 / 3 — OP281/OP481. SPECIFICATIONS ELECTRICAL SPECIFICATIONS. Table 1. … |
| Revision | D |
| File Format / Size | PDF / 400 Kb |
| Document Language | English |
OP281/OP481. SPECIFICATIONS ELECTRICAL SPECIFICATIONS. Table 1. Parameter. Symbol. Condition. Min. Typ. Max. Unit
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OP281/OP481 SPECIFICATIONS ELECTRICAL SPECIFICATIONS
VS = 3.0 V, VCM = 1.5 V, TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Condition Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage1 VOS 1.5 mV −40°C ≤ TA ≤ +85°C 2.5 mV Input Bias Current IB −40°C ≤ TA ≤ +85°C 3 10 nA Input Offset Current IOS −40°C ≤ TA ≤ +85°C 0.1 7 nA Input Voltage Range 0 2 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.0 V, −40°C ≤ TA ≤ +85°C 65 95 dB Large-Signal Voltage Gain AVO RL = 1 MΩ, VO = 0.3 V to 2.7 V 5 13 V/mV −40°C ≤ TA ≤ +85°C 2 V/mV Offset Voltage Drift ΔVOS/∆T −40°C to +85°C 10 μV/°C Bias Current Drift ΔIB/ΔT 20 pA/°C Offset Current Drift ΔIOS/ΔT 2 pA/°C OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 100 kΩ to GND, −40°C ≤ TA ≤ +85°C 2.925 2.96 V Output Voltage Low VOL RL = 100 kΩ to V+, −40°C ≤ TA ≤ +85°C 25 75 mV Short-Circuit Limit ISC ±1.1 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 2.7 V to 12 V, −40°C ≤ TA ≤ +85°C 76 95 dB Supply Current/Amplifier ISY VO = 0 V 3 4 μA −40°C ≤ TA ≤ +85°C 5 μA DYNAMIC PERFORMANCE Slew Rate SR RL = 100 kΩ, CL = 50 pF 25 V/ms Turn-On Time AV = 1, VO = 1 V 40 μs AV = 20, VO = 1 V 50 μs Saturation Recovery Time 65 μs Gain Bandwidth Product GBP 95 kHz Phase Margin φM 70 Degrees NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 10 μV p-p Voltage Noise Density en f = 1 kHz 75 nV/√Hz Current Noise Density in <1 pA/√Hz 1 VOS is tested under a no load condition. Rev. D | Page 3 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS THEORY OF OPERATION INPUT OVERVOLTAGE PROTECTION INPUT OFFSET VOLTAGE INPUT COMMON-MODE VOLTAGE RANGE CAPACITIVE LOADING MICROPOWER REFERENCE VOLTAGE GENERATOR WINDOW COMPARATOR LOW-SIDE CURRENT MONITOR LOW VOLTAGE HALF-WAVE AND FULL-WAVE RECTIFIERS BATTERY-POWERED TELEPHONE HEADSET AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE
OP281/OP481 SPECIFICATIONS ELECTRICAL SPECIFICATIONS
VS = 3.0 V, VCM = 1.5 V, TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Condition Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage1 VOS 1.5 mV −40°C ≤ TA ≤ +85°C 2.5 mV Input Bias Current IB −40°C ≤ TA ≤ +85°C 3 10 nA Input Offset Current IOS −40°C ≤ TA ≤ +85°C 0.1 7 nA Input Voltage Range 0 2 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.0 V, −40°C ≤ TA ≤ +85°C 65 95 dB Large-Signal Voltage Gain AVO RL = 1 MΩ, VO = 0.3 V to 2.7 V 5 13 V/mV −40°C ≤ TA ≤ +85°C 2 V/mV Offset Voltage Drift ΔVOS/∆T −40°C to +85°C 10 μV/°C Bias Current Drift ΔIB/ΔT 20 pA/°C Offset Current Drift ΔIOS/ΔT 2 pA/°C OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 100 kΩ to GND, −40°C ≤ TA ≤ +85°C 2.925 2.96 V Output Voltage Low VOL RL = 100 kΩ to V+, −40°C ≤ TA ≤ +85°C 25 75 mV Short-Circuit Limit ISC ±1.1 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 2.7 V to 12 V, −40°C ≤ TA ≤ +85°C 76 95 dB Supply Current/Amplifier ISY VO = 0 V 3 4 μA −40°C ≤ TA ≤ +85°C 5 μA DYNAMIC PERFORMANCE Slew Rate SR RL = 100 kΩ, CL = 50 pF 25 V/ms Turn-On Time AV = 1, VO = 1 V 40 μs AV = 20, VO = 1 V 50 μs Saturation Recovery Time 65 μs Gain Bandwidth Product GBP 95 kHz Phase Margin φM 70 Degrees NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 10 μV p-p Voltage Noise Density en f = 1 kHz 75 nV/√Hz Current Noise Density in <1 pA/√Hz 1 VOS is tested under a no load condition. Rev. D | Page 3 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS THEORY OF OPERATION INPUT OVERVOLTAGE PROTECTION INPUT OFFSET VOLTAGE INPUT COMMON-MODE VOLTAGE RANGE CAPACITIVE LOADING MICROPOWER REFERENCE VOLTAGE GENERATOR WINDOW COMPARATOR LOW-SIDE CURRENT MONITOR LOW VOLTAGE HALF-WAVE AND FULL-WAVE RECTIFIERS BATTERY-POWERED TELEPHONE HEADSET AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE
