Datasheet > WM8746_06

WM8746_06

更新时间： 2024-11-22 04:25:11

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
32页	387K
描述
24-bit, 192kHz 6-Channel DAC with Volume Control

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WM8746_06 数据手册

WM8746

24-bit, 192kHz 6-Channel DAC with Volume Control

DESCRIPTION

FEATURES

•

6-Channel DAC

WM8746 is a high performance 6-channel DAC designed

for audio applications such as DVD, home theatre systems,

and digital TV. The WM8746 supports data input word

lengths from 16 to 32-bits and sampling rates up to 192kHz.

The WM8746 can convert up to 6 channels at sample rates

Audio Performance

−

106dB SNR (‘A’ weighted @ 48kHz) DAC

-95dB THD

•

DAC Sampling Frequency: 8kHz – 192kHz

3-Wire Serial Control Interface

from

8 to 192kHz. Additionally WM8746 supports 2

channels at 192kHz and

simultaneously.

channels at 96kHz

Programmable Audio Data Interface Modes

−

I²S, Left, Right Justified or DSP

The WM8746 consists of a serial interface port, digital

interpolation filters, multi-bit sigma delta modulators and 6

DACs in a small 28-pin SSOP package. The WM8746 also

includes a digitally controllable mute and attenuator function

on each channel.

16/20/24/32 bit Word Lengths

•

Independent Digital Volume Control on Each Channel with

127.5dB Range in 0.5dB Steps

•

3.0V – 5.5V Supply Operation

28-Pin SSOP Package

The WM8746 supports a variety of connection schemes for

audio DAC control. The serial control interface provides

access to a wide range of features including on-chip mute,

attenuation and phase reversal. A hardware controllable

interface is also available. It is pin-compatible with the

WM8736, (apart from RSTB pin which is typically unused).

Exceeds Dolby Class A Performance Requirements

Pin Compatible with WM8736

APPLICATIONS

•

DVD and DVD ‘Universal’ Players

Home theatre systems

Digital broadcast receivers

The WM8746 is an ideal device to interface to AC-3,

DTS, and MPEG audio decoders for surround sound

applications, or for use in “universal” high definition audio

players supporting DVD-A formats.

BLOCK DIAGRAM

ML/I2S MC/IWL

SCKI

MD/DM

MODE

MUTE

WM8746

CONTROL

INTERFACE

L0A[7:0]

OUT0L

GR0

OUT0R

Sigma

Delta

Modulator

Digital

Filter

Stereo

DAC

BCKIN

LRCIN

LRCIN2

R0A[7:0]

L1A[7:0]

OUT1L

GR1

OUT1R

DAC

CHANNEL

CONTROL

Sigma

Delta

Modulator

Digital

Filter

AUDIO

INTERFACE

Stereo

DAC

R1A[7:0]

L2A[7:0]

DIN0

DIN1

DIN2

OUT2L

GR2

OUT2R

Sigma

Delta

Modulator

Digital

Filter

Stereo

DAC

R2A[7:0]

CAP

DVDD

DGND

AGND1 AGND2

AVDD1

AVDD2

WOLFSON MICROELECTRONICS plc

Production Data, March 2006, Rev 4.0

To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/

12 3 4 5 6 7...32

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与WM8746_06相关器件

型号	品牌	获取价格	描述	数据表
WM8746EDS	WOLFSON	获取价格	24BIT 192KHZ 6 CHANNEL DAC WITH VOLUME CONTROL
WM8746EDS/R	CIRRUS	获取价格	D/A Converter, 6 Func, PDSO28
WM8746SEDS	WOLFSON	获取价格	24-bit, 192kHz 6-Channel DAC with Volume Control
WM8746SEDS/R	WOLFSON	获取价格	24-bit, 192kHz 6-Channel DAC with Volume Control
WM8750BL	WOLFSON	获取价格	Stereo CODEC for Portable Audio Applications
WM8750BL_12	WOLFSON	获取价格	Stereo CODEC for Portable Audio Applications
WM8750BLGEFL	WOLFSON	获取价格	Stereo CODEC for Portable Audio Applications
WM8750BLGEFL/R	WOLFSON	获取价格	Stereo CODEC for Portable Audio Applications
WM8750CBLGEFL	WOLFSON	获取价格	Stereo CODEC for Portable Audio Applications
WM8750CBLGEFL/R	WOLFSON	获取价格	Stereo CODEC for Portable Audio Applications

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