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LMP91000EVM/NOPB

评估模块, LMP91000传感器模拟前端, 化学品传感应用

TEXAS INSTRUMENTS LMP91000EVM/NOPB
TEXAS INSTRUMENTS LMP91000EVM/NOPB

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制造商产品编号:
LMP91000EVM/NOPB
库存编号
3125572

产品概述

The LMP91000EVM/NOPB evaluation module helps designers to evaluate the operation and performance of the LMP91000. The LMP91000 is a programmable analog front end (AFE) for use in micro power electrochemical sensing applications. It provides a complete signal path solution between a sensor and a microcontroller that generates an output voltage proportional to the cell current. The LMP91000s programmability enables it to support multiple electrochemical sensors such as three lead toxic gas sensors and two lead galvanic cell sensors with a single design as opposed to the multiple discrete solutions. The LMP91000 supports gas sensitivities over a range of 0.5nA/ppm to 9500nA/ppm. It also allows for an easy conversion of current ranges from 5µA to 750µA full scale. The LMP91000s adjustable cell bias and trans impedance amplifier gain are programmable through the I2C interface. The I2C interface can also be used for sensor diagnostics.
  • 2.7V to 5.25V supply voltage
  • LMP91000 gas sensor AFE and ADC161S626 16bit converter
  • Supports three lead electrochemical cells and two lead galvanic cell in potentiostat configuration
  • Cell conditioning current up to 10mA
  • Output drive current 750µA
  • Complete potentiostat circuit to interface to most chemical cells
  • Programmable cell bias voltage
  • Low bias voltage drift
  • I2C compatible digital interface
  • Low bias voltage drift

应用

传感与仪器, 消费电子产品

附注

SPIO4通信板是一块数据采集板, 用于传感器AFE评估平台(LMP91000EVM)里LMP91000, 须单独购买.

产品信息

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数据转换器

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Texas Instruments

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LMP91000

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模拟前端

:
评估模块LMP91000

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