Overview
The AD2428BCPZ is an Automotive Audio Bus (A2B) transceiver produced by Analog Devices Inc. This component is designed for automotive audio applications, providing a robust and efficient multichannel audio communication system. The AD2428BCPZ supports both main node and subordinate node operations, making it versatile for various audio system configurations.
It features a line topology with a single main node and multiple subordinate nodes, allowing for communication over distances of up to 15 meters between nodes and a total cable length of up to 40 meters. The device is AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
Key Specifications
| Feature | AD2428BCPZ |
|---|---|
| Main Node Capable | 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 | 15 m |
| Operating Temperature Range | –40°C to +105°C |
| Package Type | 32-Lead Frame Chip Scale Package (LFCSP) |
Key Features
- A2B Bus Features: Line topology, single main node with multiple subordinate nodes, up to 15 meters between nodes and up to 40 meters overall cable length, synchronous data transmission, multichannel I2S/TDM to I2S/TDM, and low latency node-to-node communication.
- A2B Transceiver Features: Configurable as A2B bus main node or subordinate node, programmable via I2C interface, 8-bit to 32-bit multichannel I2S/TDM interface, programmable I2S/TDM data rate, up to 32 upstream and 32 downstream channels, PDM interface for up to four high dynamic range microphone inputs, and bus power or local power options for subordinate nodes.
- Additional Features: Control and status information via I2C to I2C, GPIO and interrupt capabilities, configurable with SigmaStudio/SigmaStudio+ graphical software tool, and AEC-Q100 qualified for automotive applications.
Applications
- Audio Communication Link: Ideal for automotive audio systems, including microphone arrays, beamforming, hands-free and in-car communication, active and road noise cancellation, and audio/video conferencing systems.
- Automotive Audio Systems: Used in the development of advanced automotive audio systems, including those requiring high-quality digital audio transmission over long distances.
- Audio System Optimization: Helps in optimizing audio system performance, ensuring low latency and high-quality audio transmission in various automotive applications.
Q & A
- What is the AD2428BCPZ used for?
The AD2428BCPZ is used for automotive audio applications, providing a multichannel audio communication system over the Automotive Audio Bus (A2B) technology.
- Can the AD2428BCPZ operate as both a main node and a subordinate node?
Yes, the AD2428BCPZ can be configured to operate as both an A2B bus main node and a subordinate node.
- What is the maximum cable length supported by the AD2428BCPZ?
The AD2428BCPZ supports a maximum node-to-node cable length of 15 meters and an overall cable length of up to 40 meters.
- How many PDM microphone inputs does the AD2428BCPZ support?
The AD2428BCPZ supports up to four PDM digital microphone inputs.
- Is the AD2428BCPZ AEC-Q100 qualified?
Yes, the AD2428BCPZ is AEC-Q100 qualified, ensuring its reliability and performance in automotive environments.
- What type of interface does the AD2428BCPZ use for configuration?
The AD2428BCPZ is programmable via an I2C interface.
- Can the AD2428BCPZ be powered over the A2B bus?
Yes, the AD2428BCPZ supports bus power for subordinate nodes, eliminating the need for a separate power supply.
- What is the operating temperature range of the AD2428BCPZ?
The AD2428BCPZ operates within a temperature range of –40°C to +105°C.
- What package type is the AD2428BCPZ available in?
The AD2428BCPZ is available in a 32-Lead Frame Chip Scale Package (LFCSP).
- What software tool can be used to configure the AD2428BCPZ?
The AD2428BCPZ can be configured using the SigmaStudio/SigmaStudio+ graphical software tool.
