Overview
The AD2428WCCSZ from Analog Devices Inc. is an Automotive Audio Bus (A2B) transceiver designed for automotive audio applications. This component is part of the A2B family, which provides a multichannel, I2S/TDM link over distances of up to 15 meters between nodes. The AD2428WCCSZ is AEC-Q100 qualified, ensuring its reliability and performance in automotive environments.
Key Specifications
| Specification | Value |
|---|---|
| Main Node Capability | Yes |
| Number of Subordinate Nodes Discoverable | Up to 10 |
| Functional TRX Blocks | A + B |
| I2S/TDM Support | Yes |
| PDM Microphone Inputs | Up to 4 |
| Max Node to Node Cable Length | Up to 15 m |
| Overall Cable Length | Up to 40 m |
| Package Type | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) |
| Operating Temperature | -40°C to +125°C |
Key Features
- Line topology with a single main node and multiple subordinate nodes
- Communication over distance with synchronous data and multichannel I2S/TDM to I2S/TDM
- Synchronous clock, phase aligned in all nodes, with low latency node to node communication
- Control and status information via I2C to I2C interface
- GPIO and interrupt capabilities
- Bus power or local power options for subordinate nodes
- Configurable with SigmaStudio/SigmaStudio+ graphical software tool
- Programmable via I2C interface with 8-bit to 32-bit multichannel I2S/TDM interface
- Up to 32 upstream and 32 downstream channels with programmable I2S/TDM data rate
- PDM interface with programmable PDM clock rate and up to 4 high dynamic range microphone inputs
Applications
- Audio communication links
- Microphone arrays and beamforming
- Hands-free and in-car communication systems
- Active and road noise cancellation systems
- Audio/video conferencing systems
Q & A
- What is the AD2428WCCSZ used for?
The AD2428WCCSZ is used for automotive audio applications, providing a multichannel I2S/TDM link over long distances. - What is the maximum number of subordinate nodes it can support?
It can support up to 10 subordinate nodes. - What is the maximum cable length between nodes?
The maximum cable length between nodes is up to 15 meters, with an overall cable length of up to 40 meters. - Does it support PDM microphone inputs?
Yes, it supports up to 4 PDM microphone inputs. - Is it AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications. - How is the AD2428WCCSZ configured?
It is configurable using the SigmaStudio/SigmaStudio+ graphical software tool. - What types of interfaces does it support?
It supports I2S/TDM, I2C, and PDM interfaces. - Can the AD2428WCCSZ be powered over the A2B bus?
Yes, it can be powered over the A2B bus or locally powered. - What is the operating temperature range of the AD2428WCCSZ?
The operating temperature range is -40°C to +125°C. - What package type does the AD2428WCCSZ come in?
It comes in a 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) package.
