Overview
The AD2428WCCSZ01 is an Automotive Audio Bus (A2B) transceiver produced by Analog Devices Inc. This component is designed to provide a multichannel, I2S/TDM link over distances of up to 15 meters between nodes. It supports bidirectional synchronous pulse-code modulated (PCM) data, clock, and synchronization signals over a single differential wire pair. The AD2428W is capable of operating as both a master and a slave node, making it versatile for various automotive audio applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Part Number | AD2428WCCSZ01 |
| Package | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) |
| Data Rate (max) | 50 Mbps |
| ESD Protection | 2.5 kV |
| Interface Features | I2C Control and Status Bus, I2S Data |
| Interface Protocol | A2B, I2C, I2S, PDM |
| Master/Slave Capability | Both |
| Node Capability | Mid and Last in Line Capable |
| Number of Nodes | Up to 10 |
| Operating Temperature Range | -40 to 105 °C |
| Vs+ (max) | 9 V |
| Vs+ (min) | 3.7 V |
| RoHS Status | Compliant |
Key Features
- A2B Subordinate Operation: The AD2428W can operate as both a master and a slave node in an A2B system.
- Multichannel I2S/TDM Interface: Supports up to 32 upstream and 32 downstream channels.
- PDM Microphone Inputs: Four PDM microphone inputs for high dynamic range microphones.
- Bus Powering Feature: The master node can supply voltage and current to the slave nodes over the same twisted pair wire cable used for communication.
- Programmable Settings for EMC Performance: Allows optimization of electromagnetic compatibility (EMC) performance.
- Support for Crossover or Straight-Through Cabling: Flexible cabling options.
- I2C Interface: For control and status information.
- GPIO and Interrupt LEDs: For status and interrupt indications.
Applications
- Automotive Audio Communication Link: For in-car audio systems and hands-free communication.
- Microphone Arrays: For beamforming and hands-free applications.
- Active and Road Noise Cancellation: Enhances audio quality by reducing ambient noise.
- Audio/Video Conferencing Systems: Suitable for high-quality audio transmission in conferencing systems.
Q & A
- Q: What is the maximum data rate supported by the AD2428WCCSZ01?
A: The AD2428WCCSZ01 supports a maximum data rate of 50 Mbps.
- Q: Can the AD2428WCCSZ01 operate as both a master and a slave node?
A: Yes, the AD2428WCCSZ01 can operate as both a master and a slave node in an A2B system.
- Q: How many PDM microphone inputs does the AD2428WCCSZ01 have?
A: The AD2428WCCSZ01 has four PDM microphone inputs.
- Q: What is the maximum operating temperature range for the AD2428WCCSZ01?
A: The operating temperature range is -40 to 105 °C.
- Q: Is the AD2428WCCSZ01 RoHS compliant?
A: Yes, the AD2428WCCSZ01 is RoHS compliant.
- Q: What type of interface protocols does the AD2428WCCSZ01 support?
A: The AD2428WCCSZ01 supports A2B, I2C, I2S, and PDM interface protocols.
- Q: Can the AD2428WCCSZ01 be powered over the A2B bus?
A: Yes, the AD2428WCCSZ01 supports bus powering, where the master node can supply voltage and current to the slave nodes.
- Q: What is the maximum number of nodes supported by the AD2428WCCSZ01?
A: The AD2428WCCSZ01 can support up to 10 nodes in an A2B system.
- Q: What is the package type of the AD2428WCCSZ01?
A: The AD2428WCCSZ01 comes in a 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) package.
- Q: What warranty is offered for the AD2428WCCSZ01 by some distributors?
A: Some distributors, like Ovaga, offer a 1-year warranty for the AD2428WCCSZ01.
