The INA270 and INA271 family of voltage-output, current-sense amplifiers can sense drops across shunt resistors at common-mode voltages from –16 V to +80 V, independent of the supply voltage. The INA270 and INA271 pinouts readily enable filtering.
●The INA270 and INA271 are available with two gain options: 14 V/V and 20 V/V. The 130-kHz bandwidth simplifies use in current-control loops.
●The INA270 and INA271 operate from a single +2.7-V to +18-V supply, drawing 700 µA (typical) of supply current. The devices are specified over the extended operating temperature range of –40°C to +125°C and are offered in an SOIC-8 package.
● Wide Common-Mode Range: –16 V to +80 V
● CMRR: 120 dB
● Accuracy:
●±0.5-mV Offset (typ)
●±0.2% Gain Error (typ)
●2.5 µV/°C Offset Drift (typ)
●50 ppm/°C Gain Drift (max)
● Bandwidth: Up to 130 kHz
● Two Gain Options Available:
●14 V/V (INA270)
●20 V/V (INA271)
● Quiescent Current: 700 µA (typ)
● Power Supply: +2.7 V to +18 V
● Provision for Filtering