LMP8640-Q1 - 精密高电压电流感应放大器

LMP8640-Q1是TI德州仪器公司的一款电流分流模拟输出产品，LMP8640-Q1是精密高电压电流感应放大器，本站介绍了LMP8640-Q1的封装应用图解、特点和优点、功能等，并给出了与LMP8640-Q1相关的TI元器件型号供参考。

LMP8640-Q1 - 精密高电压电流感应放大器 - 电流分流模拟输出 - 电流感应放大器 - 德州仪器

产品特性

Typical Values, TA = 25°C
High Common-Mode Voltage Range
- LMP8640: -2 V to 42 V
- LMP8640-Q1: -2 V to 42 V, AEC-Q100
- LMP8640HV: -2 V to 76 V
Supply Voltage Range: 2.7 V to 12 V
Gain Options: 20 V/V; 50 V/V; 100 V/V
Max Gain Error: 0.25%
Low Offset Voltage: 900 µV
Input Bias Current: 13 µA
PSRR: 85 dB
CMRR (2.1V to 42V): 103 dB
Temperature Range: -40°C to 125°C
6-Pin Thin SOT-23 Package

产品应用

High-Side Current Sense
Vehicle Current Measurement
Motor Controls
Battery Monitoring
Remote Sensing
Power Management

产品说明

The LMP8640, LMP8640-Q1 and the LMP8640HV are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high input common mode voltages with a supply voltage range from 2.7 V to 12 V.

The LMP8640 and LMP8640-Q1 accept input signals with common mode voltage range from -2 V to 42 V, while the LMP8640HV accepts input signal with common mode voltage range from -2 V to 76 V. The LMP8640 and LMP8640HV have fixed gain for applications that demand accuracy over temperature. The LMP8640 and LMP8640HV come out with three different fixed gains 20 V/V, 50 V/V, 100 V/V ensuring a gain accuracy as low as 0.25%. The output is buffered in order to provide low output impedance. This high side current sense amplifier is ideal for sensing and monitoring currents in DC or battery powered systems, excellent AC and DC specifications over temperature, and keeps errors in the current sense loop to a minimum. The LMP8640 and LMP8640HV are ideal choice for industrial and consumer applications, while the LMP8640-Q1 is an AEC-Q100 grade 1 qualified version of the LMP8640 for automotive applications. The LMP8640-x is available in SOT-23-6 package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMP8640	SOT23 (6)	2.9 mm x 1.6 mm
LMP8640-Q1
LMP8640HV

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