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參數資料
| 型號： | WM8951LGEFL |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | ADC |
| 英文描述： | STEREO ADC WITH MICROPHONE INPUT AND CLOCK GENERATOR |
| 中文描述： | 立體聲ADC，具有麥克風輸入和時鐘發生器 |
| 文件頁數： | 1/42頁 |
| 文件大小： | 499K |
| 代理商： | WM8951LGEFL |
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w
Stereo ADC with Microphone Input and Clock Generator
WM8951L
WOLFSON MICROELECTRONICS plc
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http://www.wolfsonmicro.com/enews/Production Data, May 2005, Rev 4.0
Copyright
2005 Wolfson Microelectronics plc
DESCRIPTION
The WM8951L is a low power stereo ADC with an
integrated microphone interface and crystal oscillator for
clock generation. The WM8951L is ideal for voice recorders,
wireless microphones and games console accessories.
Stereo line and mono microphone level audio inputs are
provided, along with a mute function, programmable line
level volume control and a bias voltage output suitable for
an electret type microphone.
Stereo 24-bit multi-bit sigma delta ADCs are used with
oversampling decimation filters. Digital audio input word
lengths from 16-32 bits and sampling rates from 8kHz to
96kHz are supported.
The device is controlled via a 2 or 3 wire serial interface.
The interface provides access to all features including
volume controls, mutes and extensive power management
facilities. The device is available in a small 28 lead 5x5mm
quad flat leadless package (QFN).
FEATURES
Audio Performance
-
ADC SNR 90dB (‘A’ weighted) at 3.3V, 85dB at 1.8V
-
Low Power
-
1.42 – 3.6V Digital Supply Operation
-
1.8 – 3.6V Analogue Supply Operation
Sampling Frequency: 8kHz – 96kHz
Selectable ADC High Pass Filter
2 or 3-Wire MPU Serial Control Interface
Programmable Audio Data Interface Modes
-
I
2
S, Left, Right Justified or DSP
-
16/20/24/32 bit Word Lengths
-
Master or Slave Clocking Mode
Microphone Input and Electret Bias with Side Tone Mixer
Available in 5x5mm 28-pin QFN package
APPLICATIONS
Wireless microphones
Voice recorders
Games console accessories
BLOCK DIAGRAM
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相關代理商/技術參數 |
參數描述 |
|---|---|
| WM8951LGEFL/R | 功能描述:音頻模/數轉換器 IC Stereo ADC with Mic Input & Clk Gen RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| WM8952 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Mono ADC with Microphone Pre-amplifier |
| WM8952ECS/RV | 功能描述:模數轉換器 - ADC Mono ADC with mic preamp RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| WM8952LGEFL | 功能描述:接口—CODEC Mono ADC with mic preamp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| WM8952LGEFL/R | 功能描述:接口—CODEC Mono ADC with mic preamp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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