Datasheet > WM9093ECS/R

WM9093ECS/R

更新时间： 2024-09-18 12:23:27

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
84页	1129K
描述
Ultra Low Power Audio Subsystem

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数据手册

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WM9093ECS/R 数据手册

WM9093

Ultra Low Power Audio Subsystem

DESCRIPTION

FEATURES

The WM9093^[1]is a high performance low power audio

subsystem, including headphone driver and Class AB/D



Mono Class D speaker driver

2W at 5V SVDD @1%THD+N into 4Ω

650mW at 3.6V SVDD @1%THD+N into 8Ω

92dB SNR

Ground referenced stereo headphone driver

34mW into 16ꢀ load @ 1% THD+N

96dB SNR

80dB THD+N

Mono Class AB earpiece driver

40mW into 8ꢀ load

Differential and single ended analogue input configurations

Integrated oscillator for clocking requirements

I²C 2-wire software control interface

Automatic gain control (AGC) for Class D speaker output

Pop and click suppression, < 1mV DC offset

<50ms start up time

Excellent RF and TDMA noise immunity

Ultra low power consumption

4mW quiescent for headphone driver

5mW quiescent for speaker driver (Class D)

Shutdown current < 1uA

earpiece/speaker driver. The Class

D speaker driver

supports 650mW output power at 3.6V, 1%THD.

The unique dual mode charge pump architecture provides

ground referenced headphone outputs removing the

requirement for external coupling capacitors. Class

technology is integrated to increase the efficiency and

extend playback time by optimizing the headphone driver

supply voltages according to the volume control.



The flexible input configuration allows single ended or

differential stereo inputs. Mixers allow highly flexible routing

to the outputs. A ‘Voice Bypass’ path is also available for

low-power voice applications.

The WM9093 is controlled using a two-wire I2C interface.

An integrated oscillator generates all internal clocks,

removing the need to provide any external clock.

Separate mixer and volume controls are provided for each

headphone and speaker driver. Automatic Gain Control

limits the speaker output signal in order to prevent clipping.



Supply voltage

SVDD = 2.7V to 5.5V

HPVDD = 1.8V

1.8V to 2.7V control interface compatibility

20-bump CSP package

DC offset correction to less than 1mV guarantees

pop/click-free headphone start up.



The WM9093 is available in a 2.0mm x 2.5mm 20-bump

CSP package.

APPLICATIONS



Mobile handsets

BLOCK DIAGRAM

Production Data, March 2012, Rev 4.2

WOLFSON MICROELECTRONICS plc

[1] This product is protected by US Patents 7,622,984 and 7,626,445

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

12 3 4 5 6 7...84

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与WM9093ECS/R相关器件

型号	品牌	获取价格	描述	数据表
WM90A305111	TAOGLAS	获取价格	Wall Mount Flexible Whip Monopole
WM9119TR	MOLEX	获取价格	Board-In Crimp Terminal, Series 4706, Male, Tin (Sn) Plated Brass Contact, 16-18 AWG, 11.2
WM9119TR-ND	MOLEX	获取价格	Board-In Crimp Terminal, Series 4706, Male, Tin (Sn) Plated Brass Contact, 16-18 AWG, 11.2
WM9122	MOLEX	获取价格	.125/(3.17) HOUSINGS, PLUG AND RECEPTACLE, 1 CKT
WM9122-ND	MOLEX	获取价格	.125/(3.17) HOUSINGS, PLUG AND RECEPTACLE, 1 CKT
WM9123	MOLEX	获取价格	.125 HOUSING, PLUG AND RECEPTACLE, 3 CIRCUIT, 330 CENTERS
WM9123-ND	MOLEX	获取价格	.125 HOUSING, PLUG AND RECEPTACLE, 3 CIRCUIT, 330 CENTERS
WM9140	MOLEX	获取价格	2.36mm (.093) Diameter, .093 Pin and Socket Plug Housing with Positive Latch, 3 Circuits,
WM9140-ND	MOLEX	获取价格	2.36mm (.093) Diameter, .093 Pin and Socket Plug Housing with Positive Latch, 3 Circuits,
WM9701	WOLFSON	获取价格	Low Power AC97 Multimedia Audio Codec

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