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OPA191IDGKR Datasheet(PDF) 9 Page - Texas Instruments |
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OPA191IDGKR Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 49 page  9 OPA191, OPA2191, OPA4191 www.ti.com SBOS701A – DECEMEBER 2015 – REVISED APRIL 2016 Product Folder Links: OPA191 OPA2191 OPA4191 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated 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 VOS Input offset voltage VS = ±2.25 V, VCM = (V+) – 3 V ±5 ±25 µV TA = 0°C to 85°C ±8 ±75 TA = –40°C to +125°C ±10 ±125 (V+) – 3.0 V < VCM < (V+) – 1.5 V See Common-Mode Voltage Range section VS = ±3 V, VCM = (V+) – 1.5 V ±10 ±50 TA = 0°C to 85°C ±25 ±150 TA = –40°C to +125°C ±50 ±250 dVOS/dT Input offset voltage drift VS = ±2.25 V, VCM = (V+) – 3 V, D package only TA = 0°C to 85°C ±0.1 ±0.8 µV/°C TA = –40°C to +125°C ±0.15 ±1.2 VS = ±2.25 V, VCM = (V+) – 3 V, DGK and DBV packages only TA = 0°C to 85°C ±0.1 ±0.9 TA = –40°C to +125°C ±0.15 ±1.3 VS = ±2.25 V, VCM = (V+) – 1.5 V TA = –40°C to +125°C ±0.5 PSRR Power-supply rejection ratio TA = –40°C to +125°C, VCM = VS / 2 – 0.75 V ±1 µV/V INPUT BIAS CURRENT IB Input bias current ±5 ±20 pA TA = –40°C to +125°C ±9 nA IOS Input offset current ±2 ±20 pA TA = –40°C to +125°C ±2 nA NOISE En Input voltage noise (V–) – 0.1 V < VCM < (V+) – 3 V f = 0.1 Hz to 10 Hz 1.4 µVPP (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 0.1 Hz to 10 Hz 7 en Input voltage noise density (V–) – 0.1 V < VCM < (V+) – 3 V f = 100 Hz 18 nV/ √Hz f = 1 kHz 15 (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 100 Hz 53 f = 1 kHz 24 in Input current noise density f = 1 kHz 1.5 fA/ √Hz INPUT VOLTAGE VCM Common-mode voltage range (V–) – 0.1 (V+) + 0.1 V CMRR Common-mode rejection ratio VS = ±2.25 V, (V–) – 0.1 V < VCM < (V+) – 3 V 96 110 dB VS = ±2.25 V, (V–) < VCM < (V+) – 3 V TA = –40°C to +125°C 90 104 VS = ±2.25 V, (V+) – 1.5 V < VCM < (V+) 96 120 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 ZIC Common-mode 1 || 6.4 1013 Ω || pF OPEN-LOOP GAIN AOL Open-loop voltage gain VS = ±2.25 V, (V–) + 0.6 V < VO < (V+) – 0.6 V, RL = 2 kΩ 110 120 dB TA = –40°C to +125°C 100 114 VS = ±2.25 V, (V–) + 0.3 V < VO < (V+) – 0.3 V, RL = 10 kΩ 110 126 TA = –40°C to +125°C 106 120 |
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