AD7879-1ACPZ-RL - Analog Devices Inc.

Manufacturer Part Number

AD7879-1ACPZ-RL

Manufacturer

Analog Devices

Introduction

High-performance touch screen controller for 4-wire resistive touchscreens with I2C and serial interface support.

Product Features and Performance

12-bit resolution for precise touch location sensing

Compatible with 4 wire resistive touchscreens

Multiple interface options: I2C and serial

Supports external voltage reference for greater flexibility

Low voltage operation from 1.6V to 3.6V suitable for battery-operated devices

Operational across wide temperature range, -40°C to 85°C

Surface mount technology enhances board space efficiency

Available in a 16-WQFN Exposed Pad, CSP for better thermal dissipation

Product Advantages

High resolution improves touch sensitivity

Flexible interfacing options facilitate design integration

Low voltage capability enhances power management

Robust operational temperature range expands use cases

Compact package eases integration into space-constrained applications

Key Technical Parameters

Touchscreen compatibility: 4 Wire Resistive

Resolution (Bits): 12 b

Interface options: I2C, Serial

Voltage reference: External

Supply voltage range: 1.6V ~ 3.6V

Operating temperature range: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-WQFN Exposed Pad, CSP

Supplier Device Package: 16-LFCSP (4x4)

Base Product Number: AD7879

Quality and Safety Features

Reliable operation over extended temperatures

Compliant with industry-standard manufacturing protocols

Designed for electrostatic discharge (ESD) protection

Compatibility

Supports connection to 4 wire resistive touchscreens

Interfaces with microcontrollers via I2C or serial communication

Application Areas

Portable electronic devices

Touch-based control panels

Industrial monitors and controls

Automotive touch interfaces

Medical equipment displays

Product Lifecycle

Status: Active

Continual availability with no current plans for discontinuation

Replacements or upgrades should be considered based on newer technology developments and future compatibility needs

Several Key Reasons to Choose This Product

High-resolution touch sensing enhances user experience

Versatile interfacing options ensure integration with various microcontroller architectures

Low power requirements are ideal for portable and handheld devices

Wide operating temperature range suitable for industrial and automotive applications

Compact and efficient packaging solves design constraints in space-limited devices

Trusted manufacturer with a reputation for quality and reliability