INA139 - 36V、高侧、高速、电流输出电流分流监控器

INA139是TI德州仪器公司的一款电流分流模拟输出产品，INA139是36V、高侧、高速、电流输出电流分流监控器，本站介绍了INA139的封装应用图解、特点和优点、功能等，并给出了与INA139相关的TI元器件型号供参考。

INA139 - 36V、高侧、高速、电流输出电流分流监控器 - 电流分流模拟输出 - 电流感应放大器 - 德州仪器

产品描述

The INA139 and INA169 are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, high-speed, low quiescent current, and tiny SOT23 packaging enable use in a variety of applications.

Input common-mode and power-supply voltages are independent and can range from 2.7V to 40V for the INA139 and 2.7V to 60V for the INA169. Quiescent current is only 60µA, which permits connecting the power supply to either side of the current measurement shunt with minimal error.

The device converts a differential input voltage to a current output. This current is converted back to a voltage with an external load resistor that sets any gain from 1 to over 100. Although designed for current shunt measurement, the circuit invites creative applications in measurement and level shifting.

Both the INA139 and INA169 are available in SOT23-5 packages and are specified for the –40°C to +85°C industrial temperature range.

产品特性

COMPLETE UNIPOLAR HIGH-SIDE CURRENT MEASUREMENT CIRCUIT
WIDE SUPPLY AND COMMON-MODE RANGE
INA139: 2.7V to 40V
INA169: 2.7V to 60V
INDEPENDENT SUPPLY AND INPUT COMMON-MODE VOLTAGES
SINGLE RESISTOR GAIN SET
LOW QUIESCENT CURRENT (60 µA typ)
SOT23-5 PACKAGE
APPLICATIONS
- CURRENT SHUNT MEASUREMENT:
- PORTABLE AND BATTERY-BACKUP SYSTEMS
- BATTERY CHARGERS
- POWER MANAGEMENT
- CELL PHONES
- PRECISION CURRENT SOURCE

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