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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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INA350CDSIDDFR bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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INA350CDSIDDFR bảng dữ liệu(HTML) 7 Page - Texas Instruments |
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7 / 45 page  7.5 Electrical Characteristics For VS = (V+) – (V–) = 1.8 V to 5.5 V (±0.9 V to ±2.75 V) at TA = 25°C, VREF = VS/2, G = 10, 20, 30 & 50, RL = 10 kΩ connected to VS / 2, VCM = [(VIN+) + (VIN–)] / 2 = VS / 2, VIN = (VIN+) – (VIN–) = 0 V and VOUT = VS / 2 (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VOSI Offset Voltage, RTI(1) VS = 5.5 V TA = 25°C ±0.2 ±1.2 mV VOSI Offset Voltage over T, RTI(1) VS = 5.5 V TA = –40°C to 125°C ±1.3 mV VOSI Offset temp drift, RTI(2) VS = 5.5 V TA = –40°C to 125°C ±0.6 µV/°C PSRR Power-supply rejection ratio TA = 25°C 20 75 µV/V ZIN-DM Differential Impedance 100 || 5 GΩ || pF ZIN-CM Common Mode Impedance 100 || 9 GΩ || pF VCM Input Stage Common Mode Range(3) (V–) (V+) V CMRR DC Common-mode rejection ratio, RTI VCM = (V–) + 0.1 V to (V+) – 1 V, High CMRR Region VS = 5.5 V, VREF = VS/2 85 95 dB CMRR DC Common-mode rejection ratio, RTI VCM = (V–) + 0.1 V to (V+) – 1 V, High CMRR Region VS = 3.3 V, VREF = VS/2 94 dB CMRR DC Common-mode rejection ratio, RTI VCM = (V–) + 0.1 V to (V+) – 0.1 V VS = 5.5 V, VREF = VS/2 62 75 dB BIAS CURRENT IB Input bias current VCM = VS / 2 ±0.65 pA IOS Input offset current VCM = VS / 2 ±0.25 pA NOISE VOLTAGE eNI Input referred voltage noise density(5) f = 1 kHz 36 nV/√Hz eNI Input referred voltage noise density(5) f = 10 kHz 34 nV/√Hz ENI Input referred voltage noise(5) fB = 0.1 Hz to 10 Hz 3.2 µVPP in Input current noise f = 1 kHz f = 1 kHz 22 fA/√Hz GAIN GE Gain error(4) G = 10, VREF = VS/2 VO = (V–) + 0.1 V to (V+) – 0.1V ±0.05 ±0.50 % G = 20, VREF = VS/2 ±0.06 ±0.60 Gain error(4) G = 30, VREF = VS/2 ±0.075 ±0.60 G = 50, VREF = VS/2 ±0.082 ±0.60 OUTPUT VOH Positive rail headroom RL = 10 kΩ to VS/2 15 30 mV VOL Negative rail headroom RL = 10 kΩ to VS/2 15 30 mV CL Drive Load capacitance drive VO = 100 mV step, Overshoot < 20% 500 pF ZO Closed-loop output impedance f = 10 kHz 51 Ω ISC Short-circuit current VS = 5.5 V ±20 mA FREQUENCY RESPONSE BW Bandwidth, –3 dB G = 10 VIN = 10 mVpk-pk 100 kHz G = 20 50 Bandwidth, –3 dB G = 30 40 G = 50 25 THD + N Total harmonic distortion + noise VS = 5.5 V, VCM = 2.75 V, VO = 1 VRMS, G = 10, RL = 100 kΩ ƒ = 1 kHz, 80-kHz measurement BW 0.04 % THD + N Total harmonic distortion + noise VS = 5.5 V, VCM = 2.75 V, VO = 1 VRMS, G = 50, RL = 100 kΩ ƒ = 1 kHz, 80-kHz measurement BW VS = 5.5 V, VCM = 2.75 V, VO = 1 VRMS, G = 50, RL = 100 kΩ ƒ = 1 kHz, 80-kHz measurement BW 0.15 % www.ti.com INA350 SBOSAA0B – NOVEMBER 2021 – REVISED APRIL 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: INA350 |
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