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參數(shù)資料
| 型號(hào)： | WM9711LSEFT |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | LOW POWER AUDIO CODEC FOR PORTABLE APPLICATIONS |
| 中文描述： | 低功耗音頻編解碼器針對(duì)便攜式應(yīng)用 |
| 文件頁(yè)數(shù)： | 1/66頁(yè) |
| 文件大小： | 645K |
| 代理商： | WM9711LSEFT |
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Low Power Audio CODEC for Portable Applications
WM9711L
WOLFSON MICROELECTRONICS plc
www.wolfsonmicro.com
Production Data, April 2004, Rev 4.1
Copyright
2004 Wolfson Microelectronics plc
DESCRIPTION
The WM9711L is a highly integrated input / output device
designed for mobile computing and communications. The
device can connect directly to mono or stereo microphones,
stereo headphones and a mono speaker, reducing total
component count in the system. Additionally, phone input
and output pins are provided for seamless integration with
wireless communication devices.
The WM9711L also offers five GPIO pins for interfacing to
buttons or other digital devices. To monitor the battery
voltage in portable systems, the WM9711L has two
uncommitted comparator inputs.
All device functions are accessed and controlled through a
single AC-Link interface compliant with the AC’97 standard.
Additionally, the WM9711L can generate interrupts to
indicate low battery, dead battery, thermal cut-out and GPIO
conditions.
The WM9711L 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, or in the industry standard 48-pin
TQFP package.
FEATURES
AC’97 Rev 2.2 compatible stereo codec
- DAC SNR 94dB, THD –87dB
- ADC SNR 92dB, THD –87dB
- Variable Rate Audio, supports all WinCE sample rates
- Tone Control, Bass Boost and 3D Enhancement
On-chip 45mW headphone driver
On-chip 400mW mono speaker driver
Stereo, mono or differential microphone input
- Automatic Level Control (ALC)
Auxiliary mono DAC (ring tone or DC level generation)
Seamless interface to wireless chipset
Up to 5 GPIO pins
2 comparator inputs for battery monitoring
1.8V to 3.6V supplies
7x7mm QFN or 48-pin TQFP package options
APPLICATIONS
Personal Digital Assistants (PDA)
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 |
|---|---|
| WM9711LSEFT/RV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:LOW POWER AUDIO CODEC FOR PORTABLE APPLICATIONS |
| WM9711LSEFT/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:LOW POWER AUDIO CODEC FOR PORTABLE APPLICATIONS |
| WM9712-6123-FL48-M | 制造商:Wolfson Microelectronics 功能描述:WM9712EVM MINI EVAL |
| WM9712-6123-FL48-M-S | 制造商:Wolfson Microelectronics 功能描述:WM9712EVM FULL EVAL SYSTEM |
| WM9712CLGEFL/RV | 制造商:Wolfson Microelectronics 功能描述:Stereo AC'97 CODEC, T/P Interface 制造商:Wolfson Microelectronics 功能描述:STEREO AC97 CODEC T/P INTERFACE |
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