AD2427BCPZ

Overview

The AD2427BCPZ is a single-channel Automotive Audio Bus (A2B) transceiver manufactured by Analog Devices Inc. It operates within a supply voltage range of 3V to 3.63V and supports an operating temperature range of -40°C to 85°C. The device is housed in a 32-LFCSP (5x5) package with surface mount mounting type. It features I2C and I2S/TDM interfaces for configuration and data transmission. Designed for automotive applications, it supports up to four PDM microphone inputs and provides configurable master or slave operation capabilities.

Feature Summary

• Supports A2B bus topology with single-master, multiple-slave architecture
• Integrates I2S/TDM interface with programmable data rates
• Includes PDM interface for direct connection of digital microphones
• Provides GPIO over distance functionality for node-to-node communication

Applications

• Audio communication links in vehicles
• Microphone arrays and beamforming systems
• Hands-free and in-car communication systems
• Active and road noise cancellation
• Audio/video conferencing systems

Procurement Notes

Verify the specific suffix 'B' against official documentation to confirm grade or revision details. Confirm availability status as automotive components may have restricted distribution channels. Ensure compatibility with existing A2B network infrastructure before integration.

Selection Notes

Select this component for applications requiring single-channel A2B connectivity with integrated PDM microphone support. Verify that the 32-LFCSP package fits the PCB layout constraints. Ensure the host processor supports the required I2C and I2S/TDM protocols for proper configuration and data handling.

Part Context

This part belongs to the AD242x(W) family of A2B transceivers from Analog Devices. It shares core functionalities with other members like AD2426 and AD2428 but differs in channel count and master/slave capabilities. The 'W' suffix typically denotes wider temperature ranges, while 'B' indicates specific automotive grading.

Replacement Considerations

Direct replacements within the same family include AD2426KCPZ for similar channel configurations. Cross-family substitutes require careful evaluation of interface compatibility and power requirements. Consult Analog Devices for updated alternatives if discontinuation occurs.