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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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OPA387DBVT Scheda tecnica(PDF) 7 Page - Texas Instruments |
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OPA387DBVT Scheda tecnica(HTML) 7 Page - Texas Instruments |
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7 / 37 page  6.6 Electrical Characteristics at TA = 25°C, RL = 10 kΩ connected to VS / 2, VS = 1.7 V to 5.5 V, VCM = VS / 2, VOUT = VS / 2, and min and max specification established from manufacturing final test (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE VOS Input offset voltage VS = 5.5 V ±0.25 ±2 µV VS = 1.7 V ±0.35 ±2.5 TA = –40°C to +125°C(1) ±0.4 dVOS/dT Input offset voltage drift TA = –40°C to +125°C(1) OPA387, OPA2387 ±0.003 ±0.012 μV/°C OPA4387 ±0.018 PSRR Power supply rejection ratio OPA387, OPA2387 ±0.05 ±0.35 μV/V OPA4387 ±0.5 TA = –40°C to +125°C(1) ±1 INPUT BIAS CURRENT IB Input bias current OPA387, OPA2387 ±30 ±150 pA OPA4387 ±300 TA = –40°C to +125°C(1) OPA387, OPA2387 ±200 OPA4387 ±350 IOS Input offset current OPA387, OPA2387 ±60 ±300 pA OPA4387 ±500 TA = –40°C to +125°C(1) OPA387, OPA2387 ±400 OPA4387 ±700 NOISE Input voltage noise f = 0.1 Hz to 10 Hz 177 nVPP 27 nVRMS eN Input voltage noise density f = 1 Hz 8.5 nV/√Hz f = 10 Hz 8.5 f = 100 Hz 8.5 f = 1 kHz 8.5 iN Input current noise f = 1 kHz 70 fA/√Hz INPUT VOLTAGE VCM Common-mode voltage range VS = 1.7 V (V–) – 0.1 (V+) V VS = 5.5 V (V–) – 0.2 (V+) + 0.1 CMRR Common-mode rejection ratio (V–) – 0.1 V < VCM < (V+), VS = 1.7 V 115 138 dB (V–) – 0.2 V < VCM < (V+) + 0.1 V, VS = 5.5 V OPA387, OPA2387 140 150 OPA4387 130 (V–) – 0.1 V < VCM < (V+), TA = –40°C to +125°C(1) 110 132 (V–) – 0.2 V < VCM < (V+) + 0.1, VS = 5.5 V, TA = –40°C to +125°C(1) 130 INPUT CAPACITANCE ZID Differential 100 || 3 MΩ || pF ZICM Common-mode 60 || 3 GΩ || pF OPEN-LOOP GAIN AOL Open-loop voltage gain (V–) + 100 mV < VOUT < (V+) – 100 mV OPA387, OPA2387 135 145 dB OPA4387 120 TA = –40°C to +125°C(1) 125 (V–) + 150 mV < VOUT < (V+) – 150 mV, RL = 2 kΩ OPA387, OPA2387 132 145 OPA4387 120 TA = –40°C to +125°C(1) 125 www.ti.com OPA387, OPA2387, OPA4387 SBOS984F – NOVEMBER 2020 – REVISED FEBRUARY 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: OPA387 OPA2387 OPA4387 |
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