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OPA4197IPW Datasheet(PDF) 9 Page - Texas Instruments |
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OPA4197IPW Datasheet(HTML) 9 Page - Texas Instruments |
9 / 39 page 9 OPA197, OPA2197, OPA4197 www.ti.com SBOS737A – JANUARY 2016 – REVISED JULY 2016 Product Folder Links: OPA197 OPA2197 OPA4197 Submit Documentation Feedback Copyright © 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 RLOAD = 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 ±250 µV TA = 0°C to 85°C ±8 ±350 TA = –40°C to +125°C ±10 ±400 (V+) – 3.5 V < VCM < (V+) – 1.5 V See Common-Mode Voltage Range section VS = ±3 V, VCM = (V+) – 1.5 V ±10 ±250 µV TA = 0°C to 85°C ±25 ±350 TA = –40°C to +125°C ±50 ±500 dVOS/dT Input offset voltage drift VS = ±2.25 V, VCM = (V+) – 3 V TA = –40°C to +125°C ±0.5 ±2.5 µV/°C VS = ±2.25 V, VCM = (V+) – 1.5 V ±0.8 ±4.5 PSRR Power-supply rejection ratio TA = –40°C to +125°C, VCM = VS / 2 – 0.75 V ±2 µV/V INPUT BIAS CURRENT IB Input bias current ±5 ±20 pA TA = –40°C to +125°C ±5 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 1.30 µVPP (V+) – 1.5 V < VCM < (V+) + 0.1 V, f = 0.1 Hz to 10 Hz 4 en Input voltage noise density (V–) – 0.1 V < VCM < (V+) – 3 V f = 100 Hz 10.5 nV/ √Hz f = 1 kHz 5.5 (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 100 Hz 32 f = 1 kHz 12.5 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 90 110 dB TA = –40°C to +125°C 88 104 VS = ±2.25 V, (V+) – 1.5 V < VCM < (V+) 94 120 TA = –40°C to +125°C 77 100 VS = ±2.25 V, (V+) – 3 V < VCM < (V+) – 1.5 V See Typical Characteristics INPUT IMPEDANCE ZID Differential 100 || 1.6 MΩ || pF ZIC Common-mode 1 || 6.4 1013Ω || pF OPEN-LOOP GAIN AOL Open-loop voltage gain VS = ±2.25 V, (V–) + 0.6 V < VO < (V+) – 0.6 V, RLOAD = 2 kΩ 104 126 dB TA = –40°C to +125°C 100 114 VS = ±2.25 V, (V–) + 0.3 V < VO < (V+) – 0.3 V, RLOAD = 10 kΩ 104 134 TA = –40°C to +125°C 100 120 |
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