Datasheet4U Logo Datasheet4U.com

AD7147A - CapTouch Programmable Controller

General Description

The AD7147A CapTouch™ controller is designed for use with capacitance sensors implementing functions such as buttons, scroll bars, and wheels.

The sensors need only one PCB layer, enabling ultrathin applications.

The AD7147A is an integrated CDC with on-chip environmental calibration.

Key Features

  • Programmable capacitance-to-digital converter (CDC) Femtofarad (fF) resolution 13 capacitance sensor inputs 9 ms update rate, all 13 sensor inputs No external RC components required Automatic conversion sequencer On-chip automatic calibration logic Automatic compensation for environmental changes Automatic adaptive threshold and sensitivity levels Register map is compatible with the AD714x On-chip RAM to store calibration data Serial peripheral interface (SPI) (AD7147A) I2C-compatible serial int.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
AD7216N2L AC-DC / External Freestanding Adapter Emerson
AD7315 Low Quiescent Current Low Dropout CMOS Voltage Regulator Advanced Corporation Limited
AD7318 Low Quiescent Current Low Dropout CMOS Voltage Regulator Advanced Corporation Limited
AD7325 Low Quiescent Current Low Dropout CMOS Voltage Regulator Advanced Corporation Limited
AD7328 Low Quiescent Current Low Dropout CMOS Voltage Regulator Advanced Corporation Limited

Other Datasheets by Analog Devices

Part Number Description
AD7147 CapTouch Programmable Controller
AD7142 Programmable Controller
AD7143 integrated capacitance-to-digital converter
AD7148 Programmable Touch Controller
AD71028 Dual Digital BTSC Encoder

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CapTouch Programmable Controller for Single-Electrode Capacitance Sensors AD7147A SWITCH MATRIX 06663-001 FEATURES Programmable capacitance-to-digital converter (CDC) Femtofarad (fF) resolution 13 capacitance sensor inputs 9 ms update rate, all 13 sensor inputs No external RC components required Automatic conversion sequencer On-chip automatic calibration logic Automatic compensation for environmental changes Automatic adaptive threshold and sensitivity levels Register map is compatible with the AD714x On-chip RAM to store calibration data Serial peripheral interface (SPI) (AD7147A) I2C-compatible serial interface (AD7147A-1) Separate VDRIVE level for serial interface Interrupt output and general-purpose input/output (GPIO) 25-ball, 2.3 mm × 2.1 mm WLCSP 2.6 V to 3.