參數(shù)資料
型號： WM9713
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： AC 97 AUDIO + TOUCHPANEL CODEC
中文描述： AC 97音頻編解碼器觸摸屏
文件頁數(shù)： 1/111頁
文件大?。?/td> 1085K
代理商： WM9713
1
AC’97 Audio + Touchpanel CODEC
WM9713L
DESCRIPTION
WOLFSON MICROELECTRONICS plc
www.wolfsonmicro.com
Preliminary Technical Data, March 2004, Rev 2.2
Copyright
2004 Wolfson Microelectronics plc
The WM9713L is a highly integrated input/output device
designed for mobile computing and communications.
The chip is architected for dual CODEC operation,
supporting Hi-Fi stereo Codec functions via the AC link
interface, and additionally supporting voice Codec functions
via a PCM type Synchronous Serial Port (SSP). A third Aux
DAC is provided which may be used to support generation
of supervisory tones, or ring-tones etc. at different sample
rates to the main codec.
The device can connect directly to a 4-wire or 5-wire touch-
panel, mono or stereo microphones, stereo headphones
and a stereo speaker, reducing total component count in the
system.
Cap-less
connections
speakers, and earpiece may be used, saving cost and
board area. Additionally, multiple analog input and output
pins are provided for seamless integration with analog
connected wireless communication devices.
to
the
headphones,
All device functions are accessed and controlled through a
single AC-Link interface compliant with the AC’97 standard.
The 24.576 MHz masterclock can be input directly or
generated internally from a 13MHz (or other frequency)
clock by an onboard PLL. The PLL supports a wide range
of input clock from 2.048Mhz to 78.6Mhz.
The WM9713L operates at supply voltages from 1.8 to 3.6
Volts. Each section of the chip can be powered down under
software control to save power. The device is available in a
small leadless 7x7mm QFN package, ideal for use in hand-
held portable systems.
FEATURES
AC’97 Rev 2.2 compatible stereo codec
- DAC SNR 94dB, THD –85dB
- ADC SNR 87dB, THD –86dB
- Variable Rate Audio, supports all WinCE sample rates
- Tone Control, Bass Boost and 3D Enhancement
On-chip 45mW headphone driver
On-chip 400mW mono or stereo speaker drivers
Stereo, mono or differential microphone input
- Automatic Level Control (ALC)
- Mic insert and mic button press detection
Auxiliary mono DAC (ring tone or DC level generation)
Seamless interface to wireless chipset
Resistive touchpanel interface
- Supports 4-wire and 5-wire panels
- 12-bit resolution, INL
±
2 LSBs (<0.5 pixels)
- X, Y and touch-pressure (Z) measurement
- Pen-down detection supported in Sleep Mode
Additional PCM/I
S interface to support voice CODEC
PLL derived audio clocks.
Supports input clock ranging from 2.048Mhz to 78.6Mhz
1.8V to 3.6V supplies (digital down to 1.62V, speaker up to
4.2V)
7x7mm 48-pin QFN package
APPLICATIONS
Personal Digital Assistants (PDA) with or without phone
Smartphones
Handheld and Tablet Computers
BLOCK DIAGRAM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM9713-6123-FL48-M 功能描述:接口—CODEC WM9713EVM MINI EVAL RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713-6123-FL48-M-S 功能描述:接口—CODEC WM9713EVM FULL EVAL SYSTEM RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713CLGEFL/RV 功能描述:接口—CODEC Stereo AC’97 CODEC, T/P INTERFACE RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713CLGEFL/V 功能描述:接口—CODEC Stereo AC’97 CODEC, T/P INTERFACE RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713L 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC 97 Audio + Touchpanel CODEC
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