ADIAD7147ACPZ-500RL7
Overview
The AD7147ACPZ-500RL7 is a 16-bit capacitance-to-digital converter (CDC) designed for touch control applications. It features 13 independent capacitance input channels, making it suitable for multi-button or slider interfaces. This device operates from a single supply voltage between 2.6V and 3.6V and communicates via an SPI interface.
Why Choose This Part
Engineers benefit from the AD7147's 13 independent capacitance input channels, which offer flexibility for various touch sensing layouts. Its 16-bit resolution provides precise measurement of capacitance changes, enabling sensitive and reliable touch detection. The low power consumption, including a 15.5 uA sleep current and 2.3 uA shutdown current, makes it suitable for battery-powered applications.
Applications
Key Specifications
Getting Started
To get started with the AD7147, refer to the Analog Devices product page for evaluation kits and software tools. The device communicates via a standard SPI interface, which simplifies integration with microcontrollers. Example code and application notes are available to assist with configuration and calibration of capacitive touch sensors.
AD7147 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Data Interface | Stock |
|---|---|---|
| AD7147ACPZ-500RL7 (this part) | SPI | 2,923 |
| AD7147ACPZ-1500RL7 | I2C, Serial | 1,652 |
