Datasheet > AD2427W

AD2427W

更新时间： 2024-11-10 01:14:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
2页	161K
描述
Automotive Audio Bus A2B Transceiver

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AD2427W 数据手册



Automotive Audio Bus A²B Transceiver

AD2426W/AD2427W/AD2428W

A²B TRANSCEIVER FEATURES

Data Sheet

A²B BUS FEATURES

Line topology

Single master, multiple slave

Configurable as A²B bus master or slave (AD2428W)

I²C interface

Up to 15 m between nodes and up to 40 m overall cable

length

Communication over distance

8-bit to 32-bit multichannel I²S/TDM interface

I²S/TDM/PDM programmable data rate

Up to 32 upstream and 32 downstream channels

PDM inputs for 4 high dynamic range microphones on mas-

ters or slaves

Synchronous data

Multichannel I²S/TDM to I²S/TDM

Clock synchronous, phase aligned in all nodes

Low latency slave to slave communication

Control and status information I²C to I²C

GPIO over distance

Support for receiving I²S data on nodes with up to 4 PDM

microphones

Unique ID register for each transceiver

Support for crossover or straight-through cabling

Programmable settings to optimize EMC performance

Bus power or local power slave nodes

Configurable with SigmaStudio graphical software tool

Qualified for automotive applications

APPLICATIONS

Automotive audio communication link

Active noise cancellation

Microphone arrays for hands free and in car communication

IOVDD DVDD

PLLVDD

VOUT1 VIN VOUT2

ATRXVDD/BTRXVDD

SCL

SDA

IRQ/IO0

A B

PLL

VREG1 VREG2

TRX B

BCM

(Towards

I C

Last Slave)

ADR1/IO1/CLKOUT1

ADR2/IO2/CLKOUT2

SWP

SENSE

DIAGNOSTICS

BCLK/PDMCLK

SYNC

ACM

A B

I S/TDM

PDM

TRX A

DTX0/DTX1

DRX0/DRX1

(Towards

Master)

IO7

VSS

VSSN

Figure 1. Functional Block Diagram

A²B and the A²B logo are registered trademarks of Analog Devices, Inc.

Rev. Sp0

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Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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