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參數(shù)資料
| 型號： | XWM8733ED |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | Filament Replacement LED Lamp; Color:Warm White; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Voltage Rating:24V; Bulb Size:T-3 1/4; Forward Current:30mA; Forward Voltage:24V; LED Color:Warm White RoHS Compliant: No |
| 中文描述： | 為102dB立體聲DAC |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 365K |
| 代理商： | XWM8733ED |
Product Preview
WM8733
WOLFSON MICROELECTRONICS LTD
PP Rev 1.3 July 2000
5
DEVICE DESCRIPTION
INTRODUCTION
WM8733 is a complete high performance stereo audio 18-bit digital-to-analogue converter, including
digital interpolation filter, multibit sigma-delta with dither, and switched capacitor multibit stereo DAC
and output smoothing filters.
Special functions of soft mute and de-emphasis are provided, and operation using system clock of
256fs, or 384fs or 512fs is provided, selection between either clock rate being automatically
controlled. Sample rates (fs) from less than 8ks/s to 96ks/s are allowed, provided the appropriate
system clock is input.
An auto mute function is provided which is enabled if MUTE (pin 10) is left at high impedance. If 64
successive left and right channel data samples of value 0 are received, auto mute is achieved. This
signal is wire ORed to MUTE (pin 10) via 10K resistor. If MUTE (pin 10) internally is not externally
driven, the internal auto mute state is visible on this pin as a weak drive strength signal (10k
source).
MUTE
0
Z
1
DESCRIPTION
Soft mute is OFF
Auto mute is enabled
Soft mute is ON
Table 1 Soft Mute Control
A novel multi bit sigma-delta DAC design is used, utilising a 64x oversampling rate, to optimise
signal to noise performance and offer increased clock jitter tolerance.
Internally generated midrail references are used to DC bias output signals, requiring only a single
external capacitor for decoupling purposes.
The device is packaged in a small 14-pin SOIC package, offering pin compatibility with Burr Brown
PCM1733, but with added functionality of a soft mute input pin, which may be left floating to enable
auto mute detection, or held
‘
low
’
leaving the device operational.
Single 3V to 5V supplies may be used, the output amplitude scaling with absolute supply level. Low
supply voltage operation and low current consumption, and the low pin count small package, make
the WM8733 attractive for many consumer type applications.
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| XWM8734EDS | 功能描述:接口—CODEC Stereo CODEC 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| XWM8734EDS/R | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Stereo Audio CODEC |
| XWM8734EDS/RV | 功能描述:接口—CODEC Stereo CODEC 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| XWM8734EDS/V | 功能描述:接口—CODEC Stereo CODEC 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| XWM8739SEDS | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Stereo ADC Low Power RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)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: |
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