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OPA322AIDBVR Datasheet(PDF) 3 Page - Texas Instruments |
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OPA322AIDBVR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 38 page  OPA322, OPA322S OPA2322, OPA2322S OPA4322, OPA4322S www.ti.com SBOS538E – JANUARY 2011 – REVISED JUNE 2012 ELECTRICAL CHARACTERISTICS: VS = +1.8 V to +5.5 V, or ±0.9 V to ±2.75 V Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, RL = 10 kΩ connected to VS/2, VCM = VS/2, VOUT = VS/2, and SHDN_x = VS+, unless otherwise noted. OPA322, OPA322S, OPA2322, OPA2322S, OPA4322, OPA4322S PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE Input offset voltage VOS 0.5 2 mV vs Temperature dVOS/dT VS = +5.5 V 1.8 6 μV/°C vs Power supply PSR VS = +1.8 V to +5.5 V 10 50 μV/V Over temperature VS = +1.8 V to +5.5 V 20 65 μV/V Channel separation At 1 kHz 130 dB INPUT VOLTAGE Common-mode voltage range VCM (V–) – 0.1 (V+) + 0.1 V Common-mode rejection ratio CMRR (V–) – 0.1 V < VCM < (V+) + 0.1 V 90 100 dB Over temperature 90 dB INPUT BIAS CURRENT Input bias current IB ±0.2 ±10 pA TA = –40°C to +85°C ±50 pA OPA322, OPA322S, TA = –40°C to +125°C ±800 pA Over temperature OPA2322, OPA2322S, TA = –40°C to +125°C ±400 pA OPA4322, OPA4322S, TA = –40°C to +125°C ±400 pA Input offset current IOS ±0.2 ±10 pA TA = –40°C to +85°C ±50 pA Over temperature TA = –40°C to +125°C ±400 pA NOISE Input voltage noise f = 0.1 Hz to 10 Hz 2.8 μVPP f = 1 kHz 8.5 nV/ √Hz Input voltage noise density en f = 10 kHz 7 nV/ √Hz Input current noise density in f = 1 kHz 0.6 fA/ √Hz INPUT CAPACITANCE Differential 5 pF Common-mode 4 pF OPEN-LOOP GAIN 0.1 V < VO < (V+) – 0.1 V, RL = 10 kΩ 100 130 dB Open-loop voltage gain AOL 0.1 V < VO < (V+) – 0.1 V, RL = 10 kΩ 94 dB Phase margin PM VS = 5 V, CL = 50 pF 47 Degrees FREQUENCY RESPONSE VS = 5.0 V, CL = 50 pF Gain bandwidth product GBP Unity gain 20 MHz Slew rate SR G = +1 10 V/ μs To 0.1%, 2-V step, G = +1 0.25 μs Settling time tS To 0.01%, 2-V step, G = +1 0.32 μs Overload recovery time VIN × G > VS 100 ns VO = 4 VPP, G = +1, f = 10 kHz, RL = 10 kΩ 0.0005 % Total harmonic distortion + THD+N noise(1) VO = 2 VPP, G = +1, f = 10 kHz, RL = 600 Ω 0.0011 % (1) Third-order filter; bandwidth = 80 kHz at –3 dB. Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): OPA322 OPA322S OPA2322 OPA2322S OPA4322 OPA4322S |
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