Overview
The AD2427WCCSZ-RL is an Automotive Audio Bus (A2B®) transceiver developed and manufactured by Analog Devices Inc. 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 A2B system is a single-master, multiple-slave configuration where the master node generates clock, synchronization, and framing for all slave nodes. The AD2427WCCSZ-RL is specifically designed for automotive audio applications, offering advanced features for audio communication and control.
Key Specifications
| Feature | AD2427WCCSZ-RL |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Category | Audio Special Purpose ICs |
| Package | 32-WFQFN Exposed Pad, CSP |
| Interface | I²C, I²S |
| Voltage - Supply | 3V ~ 3.63V |
| Operating Temperature | -40°C ~ 105°C |
| Number of Channels | 1 |
| Main Node Capable | No |
| Functional TRX Blocks | A + B |
| I²S/TDM Support | No |
| PDM Microphone Inputs | 4 mics |
| Max Node to Node Cable Length | 15 m |
Key Features
- Multichannel I²S/TDM Interface: Supports connection to general-purpose digital signal processors (DSPs), field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), microphones, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and codecs.
- Pulse Density Modulation (PDM) Interface: Allows direct connection of up to four PDM digital microphones.
- A2B Bus Powering: The master node can supply voltage and current to the slave nodes over the same daisy-chained, twisted pair wire cable used for the communication link.
- Programmable Settings: Configurable over an I²C control port for configuration and read-back, with an extension of the control port protocol embedded in the A2B data stream for remote access to slave nodes.
- EMC Performance Optimization: Programmable settings to optimize electromagnetic compatibility (EMC) performance.
Applications
- Automotive Audio Communication Link: Used in automotive audio systems for reliable and high-quality audio transmission.
- Active Noise Cancellation: Supports active noise cancellation systems in vehicles.
- Microphone Arrays: Used in microphone arrays for hands-free and in-car communication systems.
Q & A
- What is the AD2427WCCSZ-RL used for?
The AD2427WCCSZ-RL is used in automotive audio systems to provide a multichannel I²S/TDM link over distances of up to 15 meters between nodes.
- What interfaces does the AD2427WCCSZ-RL support?
The AD2427WCCSZ-RL supports I²C and I²S interfaces.
- How many PDM microphone inputs does the AD2427WCCSZ-RL have?
The AD2427WCCSZ-RL has inputs for up to four PDM digital microphones.
- What is the maximum node to node cable length for the AD2427WCCSZ-RL?
The maximum node to node cable length is 15 meters.
- Can the AD2427WCCSZ-RL be powered over the A2B bus?
No, the AD2427WCCSZ-RL is not capable of being powered over the A2B bus; it requires local power.
- What operating temperature range does the AD2427WCCSZ-RL support?
The AD2427WCCSZ-RL operates within a temperature range of -40°C to 105°C.
- Is the AD2427WCCSZ-RL capable of acting as a main node in an A2B system?
No, the AD2427WCCSZ-RL is not capable of acting as a main node; it operates as a subordinate node.
- How many functional TRX blocks does the AD2427WCCSZ-RL have?
The AD2427WCCSZ-RL has both A and B functional TRX blocks.
- Does the AD2427WCCSZ-RL support I²S/TDM?
No, the AD2427WCCSZ-RL does not support I²S/TDM.
- What is the package type of the AD2427WCCSZ-RL?
The AD2427WCCSZ-RL comes in a 32-WFQFN Exposed Pad, CSP package.
- Is the AD2427WCCSZ-RL RoHS compliant?
