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LT1999-10 Datasheet Bidirectional Current Sense Amplifier

Manufacturer: Linear Technology (now Analog Devices)

General Description

The LT®1999 is a high speed precision current sense amplifier, designed to monitor bidirectional currents over a wide common mode range.

The LT1999 is offered in three gain options: 10V/V, 20V/V, and 50V/V.

The LT1999 senses current via an external resistive shunt and generates an output voltage, indicating both magnitude and direction of the sensed current.

Overview

LT1999-10/LT1999-20/ LT1999-50 High Voltage, Bidirectional Current Sense.

Key Features

  • nn Buffered Output with 3 Gain Options: 10V/V, 20V/V, 50V/V nn Gain Accuracy: 0.5% Max nn Input Common Mode Voltage Range:.
  • 5V to 80V nn AC CMRR > 80dB at 100kHz nn Input Offset Voltage: 1.5mV Max nn.
  • 3dB Bandwidth: 2MHz nn Smooth, Continuous Operation Over Entire Common Mode Range nn 4kV HBM Tolerant and 1kV CDM Tolerant nn Low Power Shutdown.