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LMP8645 - 产品图解：
LMP8645-42V、可配置增益、低侧/高侧、高速、电压输出电流感测放大器
LMP8645-电流分流模拟输出-电流感应放大器-放大器和线性
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TI产品 - LMP8645介绍

LMP8645 - 42V、可配置增益、低侧/高侧、高速、电压输出电流感测放大器

LMP8645是TI德州仪器公司的一款电流分流模拟输出产品，LMP8645是42V、可配置增益、低侧/高侧、高速、电压输出电流感测放大器，本站介绍了LMP8645的封装应用图解、特点和优点、功能等，并给出了与LMP8645相关的TI元器件型号供参考。

LMP8645 - 42V、可配置增益、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
    • LMP8645 –2 V to 42 V
    • LMP8645HV –2 V to 76 V
  • Supply Voltage Range 2.7 V to 12 V
  • Gain Configurable With a Single Resistor
  • Maximum Variable Gain Accuracy (With External Resistor) 2%
  • Transconductance 200 μA/V
  • Low Offset Voltage 1 mV
  • Input Bias 12 μA
  • PSRR 90 dB
  • CMRR 95 dB
  • Temperature Range −40°C to 125°C
  • 6-Pin SOT 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 LMP8645 and the LMP8645HV devices are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high-input common-mode voltages.

Operating from a supply range of 2.7 V to 12 V, the LMP8645 accepts input signals with a common-mode voltage range of –2 V to 42 V, while the LMP8645HV accepts input signals with a common-mode voltage range of –2 V to 76 V. The LMP8645 and LMP8645HV have adjustable gain for applications where supply current and high common-mode voltage are the determining factors. The gain is configured with a single resistor, providing a high level of flexibility, as well as accuracy as low as 2% (maximum) including the gain setting resistor. The output is buffered to provide low output impedance. This high-side current sense amplifier is ideal for sensing and monitoring currents in DC or battery-powered systems, has excellent AC and DC specifications over temperature, and keeps errors in the current sense loop to a minimum. The LMP8645 is an ideal choice for industrial, automotive, and consumer applications, and is available in SOT-6 package.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
LMP8645 SOT (6)1.60 mm × 2.90 mm
LMP8645HV
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