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OP491GS-REEL7 Datasheet(PDF) 5 Page - Analog Devices |
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OP491GS-REEL7 Datasheet(HTML) 5 Page - Analog Devices |
5 / 24 page OP191/OP291/OP491 Rev. D | Page 5 of 24 @ VO = ±5.0 V, –4.9 V ≤ VCM ≤ +4.9 V, TA = +25°C, unless otherwise noted. Table 3. Parameter Symbol Conditions Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage OP191 VOS 80 500 μV −40°C ≤ TA ≤ +125°C 1 mV OP291/OP491 VOS 80 700 μV −40°C ≤ TA ≤ +125°C 1.25 mV Input Bias Current IB 30 65 nA −40°C ≤ TA ≤ +125°C 95 nA Input Offset Current IOS 0.1 11 nA −40°C ≤ TA ≤ +125°C 22 nA Input Voltage Range −5 +5 V Common-Mode Rejection Ratio CMRR VCM = ±5 V 75 100 dB −40°C ≤ TA ≤ +125°C 67 97 dB Large Signal Voltage Gain AVO RL = +10 kΩ, VO = ±4.7 V 25 70 −40°C ≤ TA ≤ +125°C 50 V/mV Offset Voltage Drift ∆VOS/∆T 1.1 μV/°C Bias Current Drift ∆IB/∆T 100 pA/°C Offset Current Drift ∆IOS/∆T 20 pA/°C OUTPUT CHARACTERISTICS Output Voltage Swing VO RL = 100 kΩ to GND ±4.93 ±4.99 V −40°C to +125°C ±4.90 ±4.98 V RL = 2 kΩ to GND ±4.80 ±4.95 V –40°C ≤ TA ≤ +125°C ±4.65 ±4.75 V Short-Circuit Limit ISC Sink/source ±8.75 ±16.00 mA −40°C to +125°C ±6 ±13 mA Open-Loop Impedance ZOUT f = 1 MHz, AV = 1 200 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VS = ±5 V 80 110 dB −40°C ≤ TA ≤ +125°C 75 100 dB Supply Current/Amplifier ISY VO = 0 V 260 420 μA −40°C ≤ TA ≤ +125°C 390 550 μA DYNAMIC PERFORMANCE Slew Rate ±SR RL = 10 kΩ 0.5 V/μs Full-Power Bandwidth BWP 1% distortion 1.2 kHz Settling Time tS To 0.01% 22 μs Gain Bandwidth Product GBP 3 MHz Phase Margin θO 45 Degrees Channel Separation CS f = 1 kHz 145 dB NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 2 μV p-p Voltage Noise Density en f = 1 kHz 42 nV/√Hz Current Noise Density in 0.8 pA/√Hz |
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