Automotive Audio Bus®
Analog Devices Automotive Audio Bus (A2B®) technology provides critical support to the vehicle infotainment systems of tomorrow. Our A2B products deliver high fidelity audio while increasing fuel efficiency, thanks to upward of 75% less cabling weight. The A2B portfolio helps enables multiple applications such as voice recognition and active noise cancellation. A2B is a single-master, multiple-slave system where the transceiver chip at the host controller is the master.
Applications:
• Audio ECU connectivity
• Hands-free microphone arrays
• In-car communications
• Active noise cancellation
Applications:
• Audio ECU connectivity
• Hands-free microphone arrays
• In-car communications
• Active noise cancellation
Product Selection Table
Latest Resources
Technical Articles
Product Highlight
Videos
- Automotive Audio Bus (A2B)
- A2B-Connected, Next Generation Car Radio
- 3rd-Generation A2B® Transceivers Offer Enhanced Configurability
- New SHARC Audio Module: Installing and Configuring the Bare Metal Framework
- New SHARC Audio Module: About the Bare Metal Framework
- New SHARC Audio Module: Using Shared Memory in the Bare Metal Framework
- A²B Audio Bus and Network
Automotive Audio Bus®
| SortOrder | Part# | Master/ Slave | Node Capability | Interface Features | Interface Protocol | Data Rate (max) (bps) | Number of Nodes | ESD Protection (V) | Vs+ (min) (V) | Vs+ (max) (V) | Automotive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | AD2428W | Master, Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 11 | 2.5k | 3.7 | 9 | No |
| 2 | AD2427W | Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 2 | 2.5k | 3.7 | 9 | No |
| 3 | AD2426W | Slave | End-Point Only | I2C Control and Status Bus, I2S Data | A2B | 50 | 1 | 2.5k | 3.7 | 9 | No |
| 4 | AD2425W | Master, Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 11 | 2.5k | 3.7 | 9 | No |
| 5 | AD2422W | Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 2 | 2.5k | 3.7 | 9 | No |
| 6 | AD2421W | Slave | End-Point Only | I2C Control and Status Bus, I2S Data | A2B | 50 | 1 | 2.5k | 3.7 | 9 | No |
| 7 | AD2403 | Master, Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 9 | 2.5k | 3.7 | 9 | No |
| 8 | AD2402W | Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 2 | 2.5k | 3.7 | 9 | No |
| 9 | AD2401W | Slave | End-Point Only | I2C Control and Status Bus, I2S Data | A2B | 50 | 1 | 2.5k | 3.7 | 9 | No |
| 10 | AD2410W | Master, Slave | Mid-Point Capable | I2C Control and Status Bus, I2S Data | A2B | 50 | 9 | 2.5k | 3.7 | 9 | No |
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