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LMP8640 - 产品图解：
LMP8640-42V、低侧/高侧、高速、电压输出电流感测放大器
LMP8640-电流分流模拟输出-电流感应放大器-放大器和线性
LMP8640-LMP8640/-Q1/HV Precision High Voltage Current Sense Amplifiers
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TI产品 - LMP8640介绍

LMP8640 - 42V、低侧/高侧、高速、电压输出电流感测放大器

LMP8640是TI德州仪器公司的一款电流分流模拟输出产品，LMP8640是42V、低侧/高侧、高速、电压输出电流感测放大器，本站介绍了LMP8640的封装应用图解、特点和优点、功能等，并给出了与LMP8640相关的TI元器件型号供参考。

LMP8640 - 42V、低侧/高侧、高速、电压输出电流感测放大器 - 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 NUMBERPACKAGEBODY SIZE (NOM)
LMP8640SOT23 (6)2.9 mm x 1.6 mm
LMP8640-Q1
LMP8640HV
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