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AD7151 - Capacitance Converter

Description

The AD7151 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultra-low power converter with fast response time.

The AD7150 is a 2-channel alternative to the AD7151.

Features

  • Ultra-low power 2.7 V to 3.6 V, 70 μA Response time: 10 ms Adaptive environmental compensation 1 capacitance input channel Sensor capacitance (CSENS) 0 pF up to 13 pF Sensitivity to 1 fF EMC tested 2 modes of operation Standalone with fixed settings Interfaced to a microcontroller for user-defined settings Proximity detection output flag 2-wire serial interface (I2C compatible) Operating temperature.
  • 40°C to +85°C 10-lead MSOP package.

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Datasheet preview – AD7151

Datasheet Details

Part number AD7151
Manufacturer Analog Devices
File Size 465.23 KB
Description Capacitance Converter
Datasheet download datasheet AD7151 Datasheet
Additional preview pages of the AD7151 datasheet.

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Full PDF Text Transcription

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Ultra-Low Power, 1-Channel, Capacitance Converter for Proximity Sensing AD7151 FEATURES Ultra-low power 2.7 V to 3.6 V, 70 μA Response time: 10 ms Adaptive environmental compensation 1 capacitance input channel Sensor capacitance (CSENS) 0 pF up to 13 pF Sensitivity to 1 fF EMC tested 2 modes of operation Standalone with fixed settings Interfaced to a microcontroller for user-defined settings Proximity detection output flag 2-wire serial interface (I2C compatible) Operating temperature −40°C to +85°C 10-lead MSOP package APPLICATIONS Proximity sensing Contactless switching Position detection Level detection GENERAL DESCRIPTION The AD7151 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultra-low power converter with fast response time.
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