INA271 is an 80V, Low- and High-side, High-Speed, Voltage Output Current Shunt Monitor with Simplified Filter Inputs

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The INA271 voltage-output, current-sense amplifier can sense drops across shunt resistors at common-mode voltages from –16 V to +80 V independent of the supply voltage.

Pinouts for the INA271 readily enable filtering. The INA271 is available with two gain options: 14 V/V and 20 V/V. The 130-kHz bandwidth simplifies use in current-control loops. The INA271 operates from a single +2.7-V to +18-V supply, drawing 700 µA (typical) of supply current. The device is specified over the extended operating temperature range of –40°C to +125°C and is offered in an SOIC-8 package. Applications include power management, automotive, telecom equipment, notebook computers, battery chargers, cell phones, and welding equipment. INA271 features 120 dB, 2.5 µV/°C Offset Drift (typ), and 50 ppm/°C Gain Drift (max). It additionally offers up to 130 kHz of bandwith.

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