Datasheet > WM8776EFT

WM8776EFT

更新时间： 2024-09-17 20:32:55

品牌	Logo	应用领域
凌云 - CIRRUS		PC 电信电信集成电路
页数	文件大小	规格书
55页	553K
描述
PCM Codec, 1-Func, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFP-48

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中文翻译

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技术参数
数据手册

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WM8776EFT 技术参数

生命周期：	Obsolete	包装说明：	TFQFP,
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.75	滤波器：	YES
JESD-30 代码：	S-PQFP-G48	长度：	7 mm
功能数量：	1	端子数量：	48
工作模式：	SYNCHRONOUS	最高工作温度：	85 °C
最低工作温度：	-25 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TFQFP	封装形状：	SQUARE
封装形式：	FLATPACK, THIN PROFILE, FINE PITCH	座面最大高度：	1.2 mm
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	电信集成电路类型：	PCM CODEC
温度等级：	OTHER	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	7 mm	Base Number Matches：	1

WM8776EFT 数据手册

WM8776

24-bit, 192kHz Stereo Codec with 5 Channel I/P Multiplexer

DESCRIPTION

FEATURES

•

Audio Performance

The WM8776 is a high performance, stereo audio codec

with six channel input selector. The WM8776 is ideal for

surround sound processing applications for home hi-fi,

DVD-RW and other audio visual equipment.

−

108dB SNR (‘A’ weighted @ 48kHz) DAC

102dB SNR (‘A’ weighted @ 48kHz) ADC

•

DAC Sampling Frequency: 32kHz – 192kHz

ADC Sampling Frequency: 32kHz – 96kHz

A stereo 24-bit multi-bit sigma delta ADC is used with a

five stereo channel input mixer. Each ADC channel has

programmable gain control with automatic level control.

Digital audio output word lengths from 16-32 bits and

sampling rates from 32kHz to 96kHz are supported.

Five stereo ADC inputs with analogue gain adjust from

+24dB to –21dB in 0.5dB steps

•

Programmable Limiter or Automatic Level Control (ALC)

Stereo DAC with independent analogue and digital

volume controls

A stereo 24-bit multi-bit sigma delta DAC is used with

digital audio input word lengths from 16-32 bits and

sampling rates from 32kHz to 192kHz. The DAC has an

input mixer allowing an external analogue signal to be

mixed with the DAC signal. There are also Headphone

and line outputs, with volume controls for the

headphones.

•

Stereo Headphone and Line Output

3-Wire SPI Compatible or 2-Wire Software Serial

Control Interface

•

Master or Slave Clocking Mode

Programmable Audio Data Interface Modes

−

I²S, Left, Right Justified or DSP

The WM8776 supports fully independent sample rates

for the ADC and DAC. The audio data interface supports

I²S, left justified, right justified and DSP formats.

16/20/24/32 bit Word Lengths

•

Analogue Bypass Path Feature

Selectable AUX input to the volume controls

The device is controlled in software via a 2 or 3 wire

serial interface, selected by the MODE pin, which

provides access to all features including channel

selection, volume controls, mutes, and de-emphasis

facilities.

2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply

Operation

The device is available in a 48-pin TQFP package.

APPLICATIONS

•

Surround Sound AV Processors and Hi-Fi systems

DVD-RW

BLOCK DIAGRAM

AINOPL

AINVGL

VOUTL

VOUTR

AIN1L

AIN1R

AIN2L

AIN2R

HPVDD

AUDIO INTERFACE

AND

AIN3L

AIN3R

STEREO

ADC

STEREO

DAC

HPOUTL

LOW

PASS

FILTERS

ALC

AIN4L

AIN4R

HPOUTR

HPGND

DIGITAL FILTERS

VMID

AIN5L

AIN5R

AINVGR

AINOPR

CONTROL INTERFACE

WM8776

WOLFSON MICROELECTRONICS plc

Product Preview, July 2003, Rev 1.9

w :: www.wolfsonmicro.com

12 3 4 5 6 7...55

中文翻译

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与WM8776EFT相关器件

型号	品牌	获取价格	描述	数据表
WM8776EFT/R	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFP-48
WM8776EFT/RV	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFP-48
WM8776EFT/V	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFP-48
WM8776SEFT	WOLFSON	获取价格	24 BIT 192KHZ STEREO CODEC WITH 5 CHANNEL I/P MULTIPLEXER
WM8776SEFT/RV	WOLFSON	获取价格	24-bit, 192kHz Stereo CODEC with 5 Channel I/P Multiplexer
WM8776SEFT/V	WOLFSON	获取价格	24-bit, 192kHz Stereo CODEC with 5 Channel I/P Multiplexer
WM8777	WOLFSON	获取价格	24 BIT 192KHZ AV RECEIVER ON A CHIP
WM8777_05	WOLFSON	获取价格	24-bit, 192kHz AV Receiver on-a-Chip
WM8777SEFT	WOLFSON	获取价格	24 BIT 192KHZ AV RECEIVER ON A CHIP
WM8777SEFT/V	WOLFSON	获取价格	24 BIT 192KHZ AV RECEIVER ON A CHIP

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