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INA149 Datasheet(PDF) 4 Page - Texas Instruments |
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INA149 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 24 page INA149 SBOS579A – SEPTEMBER 2011 – REVISED NOVEMBER 2011 www.ti.com ELECTRICAL CHARACTERISTICS: V+ = 5 V and V – = 0 V At TA = +25°C, RL = 2 kΩ connected to 2.5 V, and VCM= REFA = REFB = 2.5 V, unless otherwise noted. INA149 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT GAIN Initial VOUT = 1.5 V to 3.5 V 1 V/V Gain error VOUT = 1.5 V to 3.5 V ±0.005 %FSR Gain vs temperature, TA = –40°C to +125°C ±1.5 ppm/ °C Nonlinearity ±0.0005 %FSR OFFSET VOLTAGE 350 µV Initial offset vs temperature, TA = –40°C to +125°C 3 µV/°C vs supply (PSRR), VS = 4 V to 5 V 120 dB INPUT Differential 800 k Ω Impedance Common-mode 200 k Ω Differential 1.5 3.5 V Voltage range Common-mode –20 25 V At dc, VCM = –20 V to 25 V 100 dB vs temperature, TA = –40°C to +125°C, at dc 100 dB Common-mode rejection At ac, 500 Hz, VCM = 49 VPP 100 dB At ac, 1 kHz, VCM = 49 VPP 90 dB OUTPUT Voltage range 1.5 3.5 V Short-circuit current ±15 mA Capacitive load drive No sustained oscillations 10 nF OUTPUT NOISE VOLTAGE 0.01 Hz to 10 Hz 20 µVPP 10 kHz 550 nV/ √Hz DYNAMIC RESPONSE Small-signal bandwidth 500 kHz Slew rate VOUT = 2 VPP step 5 V/ µs Full-power bandwidth VOUT = 2 VPP 32 kHz Settling time 0.01%, VOUT = 2 VPP step 7 µs POWER SUPPLY Voltage range 5 V VS = 5 V 810 µA Quiescent current vs temperature, TA = –40°C to +125°C 1 mA 4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): INA149 |
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