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OPA191 Datasheet(PDF) 9 Page - Texas Instruments |
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OPA191 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 45 page  OPA191, OPA2191, OPA4191 www.ti.com SBOS701 – DECEMEBER 2015 6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V) at TA = +25°C, VCM = VOUT = VS / 2, and RL = 10 kΩ connected to VS / 2 (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE ±5 ±25 VS = ±2.25V, TA = 0°C to 85°C ±8 ±75 VCM = (V+) – 3 V TA = –40°C to +125°C ±10 ±125 See Common-Mode Voltage Range VOS Input offset voltage (V+) – 3.0 V < VCM < (V+) – 1.5 V µV section ±10 ±50 VS = ±3V, TA = 0°C to 85°C ±25 ±150 VCM = (V+) – 1.5 V TA = –40°C to +125°C ±50 ±250 VS = ±2.25V, TA = 0°C to 85°C ±0.1 ±0.8 VCM = (V+) – 3 V, TA = –40°C to +125°C ±0.15 ±1.2 D package only dVOS/dT Input offset voltage drift µV/°C VS = ±2.25V, VCM = (V+) – 1.5 V, TA = –40°C to +125°C ±0.5 D package only Power-supply rejection PSRR TA = –40°C to +125°C, VCM = VS / 2 – 0.75 V ±1 µV/V ratio INPUT BIAS CURRENT ±5 ±20 pA IB Input bias current TA = –40°C to +125°C ±9 nA ±2 ±20 pA IOS Input offset current TA = –40°C to +125°C ±2 nA NOISE (V–) – 0.1 V < VCM < (V+) – 3 V f = 0.1 Hz to 10 Hz 1.4 En Input voltage noise µVPP (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 0.1 Hz to 10 Hz 7 f = 100 Hz 18 (V–) – 0.1 V < VCM < (V+) – 3 V f = 1 kHz 15 en Input voltage noise density nV/ √Hz f = 100 Hz 53 (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 1 kHz 24 in Input current noise density f = 1 kHz 1.5 fA/ √Hz INPUT VOLTAGE Common-mode voltage VCM (V–) – 0.1 (V+) + 0.1 V range VS = ±2.25 V, 96 110 (V–) – 0.1 V < VCM < (V+) – 3 V VS = ±2.25 V, TA = –40°C to +125°C 90 104 (V–) < VCM < (V+) – 3 V Common-mode rejection CMRR dB ratio 96 120 VS = ±2.25 V, (V+) – 1.5 V < VCM < (V+) TA = –40°C to +125°C 84 100 (V+) – 3 V < VCM < (V+) – 1.5 V See Typical Characteristics INPUT IMPEDANCE ZID Differential 100 || 1.6 M Ω || pF 1013 Ω || ZIC Common-mode 1 || 6.4 pF OPEN-LOOP GAIN VS = ±2.25V, 110 120 (V–) + 0.6 V < VO < (V+) – 0.6 V, TA = –40°C to +125°C 100 114 RL = 2 kΩ AOL Open-loop voltage gain dB VS = ±2.25V, 110 126 (V–) + 0.3 V < VO < (V+) – 0.3 V, TA = –40°C to +125°C 106 120 RL = 10 kΩ Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: OPA191 OPA2191 OPA4191 |
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