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INA322EA/2K5 Datasheet(PDF) 3 Page - Texas Instruments |
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INA322EA/2K5 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 22 page  INA322 3 SBOS174B ELECTRICAL CHARACTERISTICS: VS = +2.7V TO +5.5V BOLDFACE limits apply over the specified temperature range, TA = –55°C TO +125°C At TA = +25°C, RL = 25kΩ, G = 25, and IA common = VS /2, unless otherwise noted. INA322EA INA2322EA PARAMETER CONDITION MIN TYP MAX UNITS INPUT Input Offset Voltage, RTI VS = +5V ±2 ±10 mV Over Temperature VOS ±11 mV vs Temperature dVOS/dT ±7 µV/°C vs Power Supply PSRR VS = +2.7V to +5.5V ±50 ±250 µV/V Over Temperature ±260 µV/V Long-Term Stability ±0.4 µV/month Input Impedance 1013 || 3 Ω || pF Input Common-Mode Range VS = 2.7V 0.35 1.5 V VS = 5V 0.55 3.8 V Common-Mode Rejection CMRR VS = 5V, VCM = 0.55V to 3.8V 60 73 dB Over Temperature VS = 5V, VCM = 0.55V to 3.8V 60 dB VS = 2.7V, VCM = 0.35V to 1.5V 73 dB Crosstalk, Dual 110 dB INPUT BIAS CURRENT Bias Current IB ±0.5 ±10 pA Offset Current IOS ±0.5 ±10 pA NOISE, RTI en RS = 0Ω Voltage Noise: f = 10Hz 500 nV/ √Hz f = 100Hz 190 nV/ √Hz f = 1kHz 100 nV/ √Hz f = 0.1Hz to 10Hz 20 µVp-p Current Noise: f = 1kHz 3fA/ √Hz GAIN(1) Gain Equation, Externally Set G > 5 G = 5 + 5(R2/R1) Range of Gain 5 1000 V/V Gain Error ±0.07 ±0.4 % vs Temperature G = 5 ±2 ±10 ppm/ °C Nonlinearity G = 25, VS = 5V, VO = 0.05 to 4.95 ±0.001 ±0.010 % of FS Over Temperature ±0.002 ±0.015 % of FS OUTPUT Output Voltage Swing from Rail(2, 5) G ≥ 10 50 25 mV Over Temperature 50 mV Capacitance Load Drive See Typical Characteristic(3) pF Short-Circuit Current ISC– 8 ISC+ 16 mA FREQUENCY RESPONSE Bandwidth, –3dB BW G = 5 500 kHz Slew Rate SR VS = 5V, G = 25 0.4 V/ µs Settling Time, 0.1% tS G = 5, CL = 50pF, VO = 2V step 8 µs 0.01% 12 µs Overload Recovery 50% Input Overload G = 25 2 µs POWER SUPPLY Specified Voltage Range +2.7 +5.5 V Operating Voltage Range +2.5 to +5.5 V Quiescent Current per Channel IQ VSD > 2.5(4) 40 60 µA Over Temperature 70 µA Shutdown Quiescent Current/Chan ISD VSD < 0.8(4) 0.01 1 µA TEMPERATURE RANGE Specified Range –55 +125 °C Operating/Storage Range –65 +150 °C Thermal Resistance θ JA MSOP-8, TSSOP-14 Surface Mount 150 °C/W NOTES: (1) Does not include errors from external gain setting resistors (2) Output voltage swings are measured between the output and power-supply rails. Output swings and rail only if G ≥ 10. (3) See typical characteristic Percent Overshoot vs Load Capacitance. (4) See typical characteristic Shutdown Voltage vs Supply Voltage. (5) Output does not swing to positive rail if gain is less than 10. |
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