Datasheet > WM8753LGEFL/V

WM8753LGEFL/V

更新时间： 2024-02-11 18:03:52

品牌	Logo	应用领域
欧胜 - WOLFSON		解码器编解码器电话
页数	文件大小	规格书
92页	1038K
描述
Hi-Fi and Telephony Dual CODEC

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WM8753LGEFL/V 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
Reach Compliance Code：	unknown	风险等级：	5.57
Is Samacsys：	N	湿度敏感等级：	3
Base Number Matches：	1

WM8753LGEFL/V 数据手册

WM8753L

Hi-Fi and Telephony Dual CODEC

DESCRIPTION

FEATURES

The WM8753L is a low power, high quality stereo CODEC

with integrated Voice CODEC designed for portable digital

telephony applications such as mobile phone, or headset

with Hi-Fi playback capability.

•

Hi-Fi DAC: interfaced over I²S type link

Audio sample rates:

8, 11.025, 16, 22.05, 24, 32, 44.1, 48, 88.2, 96

DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)

ADC SNR 95dB, THD -82dB (‘A’ weighted @ 48kHz)

On-chip Headphone Driver with cap-less output option

•

The device integrates dual interfaces to two differentially

connected microphones, and includes drivers for speakers,

headphone and earpiece. External component requirements

are reduced as no separate microphone or headphone

amplifiers are required, and Cap-less connections can be

made to all loads. Advanced on-chip digital signal

processing performs tone control, Bass Boost and automatic

level control for the microphone or line input through the

ADC. The two ADCs may be used to support Voice noise

cancellation in a partnering DSP, or for stereo recording.

40mW output power on 16Ω / 3.3V

with 16Ω load: SNR 90dB, THD –75dB

with 10kΩ load: SNR 94dB, THD –90dB

•

On-chip speaker driver with 0.5W into 8R

Voice CODEC: interfaced over Voice interface

supports sample rates from 8ks/s to 48ks/s

ADC and DAC SNR 82dB, THD -74dB

Two Differential Microphone Interfaces

Dual ADCs support noise cancellation in external DSP

Programmable ALC / Noise Gate

The WM8753L Hi-Fi DAC can operate as a master or a

slave, with various master clock frequencies including 12 or

24MHz for USB devices, 13MHz or 19.2MHz for cellular

systems, or standard 256fs rates like 12.288MHz and

24.576MHz. Internal PLLs generate all required clocks for

both Voice and Hi-Fi converters. If audio system clocks

already exist, the PLLs may be committed to alternative

uses.

•

Low-noise bias supplied for electret microphones

Other Features

•

On-chip PLLs supporting 12, 13, 19.2MHz and other clocks

Cap-less connection options to headphones, earpiece, spkr.

Low power, low voltage

1.8V to 3.6V (digital core: 1.42V to 3.6V)

power consumption <20mW all-on with 2V supplies

<12mW for PCM CODEC operation

The WM8753L operates at a nominal supply voltage of 2V,

although the digital core can operate at voltages down to

1.42V to save power, and the maximum for all supplies is 3.6

Volts. Different sections of the chip can also be powered

down under software control.

•

7x7x0.9mm QFN package, 5x5x0.9mm BGA package

APPLICATIONS

•

MP3 Player / Recorder mobile phone

Bluetooth stereo headset

WOLFSON MICROELECTRONICS plc

Pre-Production, November 2005, Rev 3.4

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

12 3 4 5 6 7...92

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