Overview
The AD2427WCCSZ01-RL is an Automotive Audio Bus (A2B) transceiver produced by Analog Devices Inc. This component is designed for reliable data transmission over two-wire buses, making it ideal for automotive systems. It features a small footprint and low power consumption, which are crucial for modern automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 32-Lead Frame Chip Scale Package (LFCSP_SS) |
| Operating Temperature Range | –40°C to +125°C |
| Master Capable | No |
| Functional TRX Blocks | A + B |
| I2S/TDM Support | Yes |
| PDM Microphone Inputs | Up to 4 microphones |
| Max Node to Node Cable Length | Up to 15 m |
| I2C Interface | Master or slave functionality, 100 kbps or 400 kbps rate operation |
Key Features
- Line topology with single master and multiple slave nodes.
- Supports up to 15 m between nodes and up to 40 m overall cable length.
- Communication over distance with synchronous data, clock, synchronization, and framing for all slave nodes.
- Configurable over a control port (I2C) for configuration and read back.
- Direct connection to DSPs, FPGAs, ASICs, microphones, ADCs, DACs, and codecs through a multichannel I2S/TDM interface.
- Pulse density modulation (PDM) interface for up to four PDM digital microphones.
- A2B bus powering feature where the master node supplies voltage and current to the slave nodes.
- Programmable settings to optimize EMC performance.
Applications
- Automotive audio communication links.
- Active noise cancellation systems.
- Microphone arrays for hands-free and in-car communication.
Q & A
- What is the AD2427WCCSZ01-RL used for? The AD2427WCCSZ01-RL is used for reliable data transmission over two-wire buses in automotive systems.
- What is the operating temperature range of the AD2427WCCSZ01-RL? The operating temperature range is –40°C to +125°C.
- Can the AD2427WCCSZ01-RL act as a master node? No, the AD2427WCCSZ01-RL cannot act as a master node; it is configured as a slave node.
- What types of interfaces does the AD2427WCCSZ01-RL support? It supports I2C, I2S/TDM, and PDM interfaces.
- How many PDM microphones can the AD2427WCCSZ01-RL support? It can support up to four PDM digital microphones.
- What is the maximum cable length between nodes? The maximum cable length between nodes is up to 15 m.
- Does the AD2427WCCSZ01-RL support A2B bus powering? Yes, it supports A2B bus powering where the master node supplies voltage and current to the slave nodes.
- What are some common applications of the AD2427WCCSZ01-RL? Common applications include automotive audio communication links, active noise cancellation, and microphone arrays for hands-free and in-car communication.
- How is the AD2427WCCSZ01-RL configured? It is configured using a control port (I2C) for configuration and read back.
- What is the package type of the AD2427WCCSZ01-RL? The package type is a 32-Lead Frame Chip Scale Package (LFCSP_SS).
