AD7150
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AD7150

Ultra-Low Power, 2-Channel, Capacitance Converter for Proximity Sensing

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Part Details
Part Models 2
1ku List Price Starting From $1.66
Features
  • Ultralow power
    2.7 V to 3.6 V, 100 μA
  • Response time: 10 ms
  • Adaptive environmental compensation
  • 2 independent capacitance input channels
    Sensor capacitance (CSENS) 0 pF up to 13 pF
    Sensitivity to 1 fF
  • See datasheet for additional features
Additional Details
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The AD7150 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultralow power converter with fast response time. The AD7151 is a single-channel, lower power alternative to the AD7150.

The AD7150 uses Analog Devices, Inc., capacitance-to-digital converter (CDC) technology, which combines features important for interfacing to real sensors, such as high input sensitivity and high tolerance of both input parasitic ground capacitance and leakage current.

The integrated adaptive threshold algorithm compensates for any variations in the sensor capacitance due to environmental factors like humidity and temperature or due to changes in the dielectric material over time.

By default, the AD7150 operates in standalone mode using the fixed power-up settings and indicates detection on two digital outputs. Alternatively, the AD7150 can be interfaced to a microcontroller via the serial interface, the internal registers can be programmed with user-defined settings, and the data and status can be read from the part.

The AD7150 operates with a 2.7 V to 3.6 V power supply. It is specified over the temperature range of −40°C to +85°C.

APPLICATIONS

  • Proximity sensing
  • Contactless switching
  • Position detection
  • Level detection
Part Models 2
1ku List Price Starting From $1.66

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD7150BRMZ
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AD7150BRMZ-REEL
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Part Models

Product Lifecycle

PCN

May 17, 2019

- 19_0101

AD7150 datasheet change for register description

AD7150BRMZ

PRODUCTION

AD7150BRMZ-REEL

PRODUCTION

Oct 30, 2017

- 15_0176

Assembly Transfer of Select 8/10L MSOP Products to Amkor Philippines

May 15, 2012

- 10_0006

Halogen Free Material Change for mini SOIC Products

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

May 17, 2019

- 19_0101

arrow down

AD7150 datasheet change for register description

AD7150BRMZ

PRODUCTION

AD7150BRMZ-REEL

PRODUCTION

Oct 30, 2017

- 15_0176

arrow down

Assembly Transfer of Select 8/10L MSOP Products to Amkor Philippines

May 15, 2012

- 10_0006

arrow down

Halogen Free Material Change for mini SOIC Products

Evaluation Kit

Evaluation Kits 1

EVAL-AD7150

AD7150 Evaluation Board

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EVAL-AD7150

AD7150 Evaluation Board

AD7150 Evaluation Board

Product Detail

The EVAL-AD7150EBZ is a fully featured evaluation board for the AD7150. The evaluation board can be operated in standalone mode (either battery-powered or with external power supply) or connected to a PC via a standard USB interface. When operated with a PC, software is provided enabling the user to perform detailed analysis of the CDC's performance. This software includes the technical note describing the operation and set up of the evaluation board.

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