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INA285AID Datasheet(PDF) 3 Page - Texas Instruments |
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INA285AID Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page INA282, INA283 INA284, INA285 INA286 www.ti.com SBOS485B – NOVEMBER 2009 – REVISED SEPTEMBER 2012 ELECTRICAL CHARACTERISTICS Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, V+ = 5V, V+IN = 12V, VREF1 = VREF2 = 2.048V referenced to GND, and VSENSE = V+IN – V–IN, unless otherwise noted. INA282, INA283, INA284, INA285, INA286 PARAMETER CONDITIONS MIN TYP MAX UNIT INPUT Offset Voltage, RTI(1) VOS VSENSE = 0mV ±20 ±70 μV vs Temperature dVOS/dT ±0.3 ±1.5 μV/°C vs Power Supply PSRR VS = +2.7V to +18V, VSENSE = 0mV 3 μV/V Common-Mode Input Range VCM –14 80 V Common-Mode Rejection CMRR V+IN = –14V to +80V, VSENSE = 0mV 120 140 dB Input Bias Current per Pin(2) IB VSENSE = 0mV 25 μA Input Offset Current IOS VSENSE = 0mV 1 μA Differential Input Impedance 6 k Ω REFERENCE INPUTS Reference Input Gain 1 V/V Reference Input Voltage Range(3) 0 VGND + 9 V Divider Accuracy(4) ±0.2 ±0.5 % Reference Voltage Rejection Ratio VREF1 = VREF2 = 40mV to 9V, V+ = 18V INA282 ±25 ±75 μV/V vs Temperature 0.055 μV/V/°C INA283 ±13 ±30 μV/V vs Temperature 0.040 μV/V/°C INA284 ±6 ±25 μV/V vs Temperature 0.015 μV/V/°C INA285 ±4 ±10 μV/V vs Temperature 0.010 μV/V/°C INA286 ±17 ±45 μV/V vs Temperature 0.040 μV/V/°C GND + 0.5V ≤ VOUT ≤ (V+) – 0.5V; GAIN(5) VREF1 = VREF2 = (V+)/2 for all devices Gain G INA282 V+ = +5V 50 V/V INA283 V+ = +5V 200 V/V INA284 V+ = +12V 500 V/V INA285 V+ = +12V 1000 V/V INA286 V+ = +5V 100 V/V Gain Error INA282, INA283, INA286 ±0.4 ±1.4 % INA284, INA285 ±0.4 ±1.6 % vs Temperature 0.0008 0.005 %/°C OUTPUT Nonlinearity Error ±0.01 % Output Impedance 1.5 Ω Maximum Capacitive Load No sustained oscillation 1 nF (1) RTI = referred-to-input. (2) See typical characteristic graph Figure 20 . (3) The average of the voltage on pins REF1 and REF2 must be between VGND and the lesser of (VGND+9V) and V+. (4) Reference divider accuracy specifies the match between the reference divider resistors using the configuration in Figure 37. (5) See typical characteristic graph Figure 25. Copyright © 2009–2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: INA282 INA283 INA284 INA285 INA286 |
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