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OPA189IDR Datasheet(PDF) 9 Page - Texas Instruments |
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OPA189IDR Datasheet(HTML) 9 Page - Texas Instruments |
9 / 36 page 9 OPA189, OPA2189, OPA4189 www.ti.com SBOS830 – JUNE 2017 Product Folder Links: OPA189 OPA2189 OPA4189 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 7.7 Electrical Characteristics 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 ±0.4 ±2.5 µV TA = –40°C to 125°C ±4.5 dVOS/dT Input offset voltage drift TA = –40°C to 125°C ±0.0035 ±0.02 µV/°C PSRR Power-supply rejection ratio TA = –40°C to 125°C ±0.005 ±0.05 µV/V INPUT BIAS CURRENT IB Input bias current RIN = 100 kΩ ±70 ±300 pA TA = –20°C to 85°C ±400 TA = –40°C to 125°C ±600 IOS Input offset current ±140 ±600 TA = –20°C to 85°C ±800 TA = –40°C to 125°C ±1200 NOISE EN Input voltage noise f = 0.1 Hz to 10 Hz 17 nVRMS 0.11 µVPP eN Input voltage noise density f = 10 Hz 5.8 nV/ √Hz f = 100 Hz 5.8 f = 1 kHz 5.8 f = 10 kHz 5.8 IN Input current noise density f = 1 kHz 165 fA/rtHz INPUT VOLTAGE VCM Common-mode voltage range (V–) – 0.1 (V+) – 2.5 V CMRR Common-mode rejection ratio (V–) – 0.1 V ≤ VCM ≤ (V+) – 2.5 V VS = ±2.25 V 120 140 dB VS = ±18 V 146 168 (V–) – 0.1 V ≤ VCM ≤ (V+) – 2.5 V TA = –40°C to 125°C VS = ±18 V 144 156 VS = ±2.25 V 116 130 INPUT IMPEDANCE zid Differential input impedance 100 || 2 MΩ || pF zic Common-mode input impedance 60 || 4 TΩ || pF OPEN-LOOP GAIN AOL Open-loop voltage gain VS = ±18 V, (V–) + 0.3 V < VO < (V+) – 0.3 V, RLOAD = 10 kΩ 150 170 dB VS = ±18 V, (V–) + 0.3 V < VO < (V+) – 0.3 V, RLOAD = 10 kΩ TA = –40°C to 125°C 130 160 VS = ±18 V, (V–) + 0.6 V < VO < (V+) – 0.6 V, RLOAD = 2 kΩ 150 170 VS = ±18 V, (V–) + 0.6 V < VO < (V+) – 0.6 V, RLOAD = 2 kΩ TA = –40°C to 125°C 130 160 |
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