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INA826 Datasheet(PDF) 3 Page - Texas Instruments |
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INA826 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 40 page  (e ) + NI 2 e NO G 2 Total RTI voltage noise = . INA826 www.ti.com SBOS562B – AUGUST 2011 – REVISED DECEMBER 2011 ELECTRICAL CHARACTERISTICS At TA = +25°C, VS = ±15 V, RL = 10 kΩ, VREF = 0 V, and G = 1, unless otherwise noted. INA826 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT RTI 40 150 µV VOSI Input stage offset voltage(1) vs temperature, TA = –40°C to +125°C 0.4 2 µV/°C RTI 200 700 µV Output stage offset VOSO voltage(1) vs temperature, TA = –40°C to +125°C 2 10 µV/°C G = 1, RTI 100 124 dB G = 10, RTI 115 130 dB PSRR Power supply rejection G = 100, RTI 120 140 dB G = 1000, RTI 120 140 dB ZIN Differential impedance 20 || 1 G Ω || pF ZIN Common-mode impedance 10 || 5 G Ω || pF RFI filter, –3-dB frequency 20 MHz V – (V+) – 1 V VCM Operating input range(2) VS = ±1.35 V to ±18 V, TA = –40°C to +125°C See Figure 41 to Figure 44 V Input overvoltage range TA = –40°C to +125°C ±40 V G = 1, VCM = (V–) to (V+) – 1 V 84 95 dB G = 10, VCM = (V–) to (V+) – 1 V 104 115 dB DC to G = 100, VCM = (V–) to (V+) – 1 V 120 130 dB 60 Hz, RTI G = 1000, VCM = (V–) to (V+) – 1 V 120 130 dB G = 1, VCM = (V–) to (V+) – 1 V, CMRR Common-mode rejection 80 dB TA = –40°C to +125°C G = 1, VCM = (V–) to (V+) – 1 V 84 dB G = 10, VCM = (V–) to (V+) – 1 V 100 dB At 5 kHz, RTI G = 100, VCM = (V–) to (V+) – 1 V 105 dB G = 1000, VCM = (V–) to (V+) – 1 V 105 dB BIAS CURRENT VCM = VS/2 35 65 nA IB Input bias current TA = –40°C to +125°C 95 nA VCM = VS/2 0.7 5 nA IOS Input offset current TA = –40°C to +125°C 10 nA NOISE VOLTAGE f = 1 kHz, G = 100, RS = 0 Ω 18 20 nV/ √Hz eNI Input stage voltage noise(3) fB = 0.1 Hz to 10 Hz, G = 100, RS = 0 Ω 0.52 µVPP f = 1 kHz, G = 1, RS = 0 Ω 110 115 nV/ √Hz eNO Output stage voltage noise(3) fB = 0.1 Hz to 10 Hz, G = 1, RS = 0 Ω 3.3 µVPP f = 1 kHz 100 fA/ √Hz iN Noise current fB = 0.1 Hz to 10 Hz 5 pAPP (1) Total offset, referred-to-input (RTI): VOS = (VOSI) + (VOSO/G). (2) Input voltage range of the INA826 input stage. The input range depends on the common-mode voltage, differential voltage, gain, and reference voltage. See Typical Characteristic curves Figure 9 through Figure 16 and Figure 41 through Figure 44 for more information. (3) Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): INA826 |
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