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OPA2314ASDRBREP Datasheet(PDF) 3 Page - Texas Instruments |
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OPA2314ASDRBREP Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 23 page  OPA2314-EP www.ti.com SBOS597 – SEPTEMBER 2012 ELECTRICAL CHARACTERISTICS: VS = +1.8 V to +5.5 V (1) Boldface limits apply over the specified temperature range: TA = –40°C to +150°C. At TA = +25 °C, RL = 10 kΩ connected to VS/2, VCM = VS/2, and VOUT = VS/2, unless otherwise noted. PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE VOS Input offset voltage VCM = (VS+) – 1.3 V 0.5 2.5 mV Over temperature TA = –40°C to +150°C 3.5 mV dVOS/dT vs Temperature 1 μV/°C PSRR vs Power supply VCM = (VS+) – 1.3 V 78 92 dB VS = 5.5 V, (VS–) – 0.2 V < TA = –40°C to +150°C 72 dB VCM < (VS+) – 1.3 V Channel separation, dc At dc 10 µV/V INPUT VOLTAGE RANGE VCM Common-mode voltage range (V–) – 0.2 (V+) + 0.2 V VS = 1.8 V, (VS–) – 0.2 V < VCM < (VS+) – 1.3 V, 68 86 dB TA = –40°C to +150°C VS = 5.5 V, (VS–) – 0.2 V < VCM < (VS+) – 1.3 V, CMRR Common-mode rejection ratio 71 90 dB TA = –40°C to +150°C VS = 5.5 V, VCM = –0.2 V to 5.7 V (2), 60 TA = –40°C to +150°C INPUT BIAS CURRENT IB Input bias current ±0.2 ±10 pA Over temperature TA = –40°C to +150°C ±2 nA IOS Input offset current ±0.2 ±10 pA Over temperature TA = –40°C to +150°C ±2 nA NOISE Input voltage noise (peak-to- f = 0.1 Hz to 10 Hz 5 μVPP peak) f = 10 kHz 13 nV/ √Hz en Input voltage noise density f = 1 kHz 14 nV/ √Hz in Input current noise density f = 1 kHz 5 fA/ √Hz INPUT CAPACITANCE Differential VS = 5.0 V 1 pF CIN Common-mode VS = 5.0 V 5 pF OPEN-LOOP GAIN VS = 1.8 V, 0.2 V < VO < (V+) – 0.2 V, RL = 10 kΩ 90 115 dB VS = 5.5 V, 0.2 V < VO < (V+) – 0.2 V, RL = 10 kΩ 100 128 dB AOL Open-Loop Voltage Gain VS = 1.8 V, 0.5 V < VO < (V+) – 0.5 V, RL = 2 kΩ 90 100 dB VS = 5.5 V, 0.5 V < VO < (V+) – 0.5 V, RL = 2 kΩ 94 110 dB VS = 5.5 V, 0.2 V < VO < (V+) – 0.2 V, RL = 10 kΩ 90 110 dB Over temperature VS = 5.5 V, 0.5 V < VO < (V+) – 0.2 V, RL = 2 kΩ 100 dB Phase margin VS = 5.0 V, G = +1, RL = 10 kΩ 65 deg (1) Parameters with MIN and/or MAX specification limits are 100% production tested, unless otherwise noted. (2) Limits are based on characterization and statistical analysis; not production tested. Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: OPA2314-EP |
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