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Product Detailed Parameters
- Mfr：Analog Devices Inc.
- Description：A2B MASTER/SLAVE 4XPDM
- Package：Tape & Reel (TR)
- Series：-
- Function：Audio Transceiver
- Applications：Audio
- Number of Channels：1
- Interface：I2C, I2S
- Voltage - Supply：3.7V ~ 9V
- Operating Temperature：-40°C ~ 125°C
- Specifications：-
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：32-WFQFN Exposed Pad, CSP
- Supplier Device Package：32-LFCSP-SS (5x5)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The AD2428WCCSZ02-RL is an Automotive Audio Bus (A2B) transceiver from Analog Devices, designed for single-master, multiple-slave audio networks. It supports configurable master or slave operation with up to four PDM microphone inputs and multichannel I2S/TDM interfaces. The device operates within a supply voltage range of 3.7V to 9V and withstands junction temperatures from -40°C to 125°C. Packaged in a 32-LFCSP-SS (5x5) surface-mount format, it is AEC-Q100 qualified for automotive environments.
Feature Summary
- Configurable A2B bus master or slave functionality
- Supports up to 4 high dynamic range PDM microphone inputs
- Multichannel I2S/TDM interface with programmable data rates
- Integrated voltage regulators supporting bus-powered slave nodes
Applications
- Audio communication links in vehicles
- Microphone arrays and beamforming systems
- Hands-free and in-car communication modules
- Active and road noise cancellation units
Procurement Notes
Verify the specific suffix '02' against the manufacturer's current ordering guide, as it may indicate distinct packaging or qualification variants compared to standard versions. Confirm that the 3.7V to 9V VIN specification aligns with the target power architecture before procurement.
Selection Notes
Select this component when a master node capability is required alongside local PDM microphone integration. Ensure the design accommodates the 32-WFQFN exposed pad thermal requirements and utilizes the ADR pins for I2C addressing configuration during power-up.
Part Context
This part belongs to the AD242x(W) family of A2B transceivers. Unlike the AD2426/AD2427 which are slave-only, the AD2428 supports master operations. The '02' suffix typically denotes specific manufacturing or packaging distinctions within the Analog Devices portfolio, requiring verification against the latest datasheet revision C documentation.
Replacement Considerations
The AD2428WCCSZ-RL serves as a direct functional substitute within the same package and pinout. Verify if the '02' suffix implies any changes in electrical characteristics or qualification levels before swapping.
