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參數(shù)資料
| 型號(hào)： | WM8756EFT |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC |
| 中文描述： | 192kHz的六聲道SACD的兼容的音頻數(shù)模轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 21/39頁(yè) |
| 文件大?。?/td> | 330K |
| 代理商： | WM8756EFT |
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WM8756
Advance Information
AI Rev 1.3 October 2001
21
DE-EMPHASIS MODE
Setting the DEEMPH register bit puts the all the digital filters into de-emphasis mode:
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0000010
DAC Channel Control
1
DEEMPH
0
De-emphasis mode select:
0 : Normal Mode
1: De-emphasis Mode
Refer to Figure 20 - Figure 25 for details of the De-Emphasis filtering effects at different sample rates.
In hardware mode (MODE=1) driving the MD/DM pin high has the same effect as setting the DEEMPH bit:
MODE PIN
MD/DM PIN
DESCRIPTION
0
1
1
ignored
0
1
De-Emphasis controlled from DEEMPH register bit
Normal Mode
De-Emphasis Mode
POWERDOWN MODE
Setting the PDWN register bit immediately connects all outputs to V
CAP
and selects a low power mode.
All trace of the previous input samples is removed, but all control register settings are preserved. When
PDWN is cleared again the first 16 input samples will be ignored as the FIR will repeat it's power-on
initialisation sequence.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0000010
DAC Channel Control
2
PDWN
0
Power Down Mode Select:
0 : Normal Mode
1: Power Down Mode
ATTENUATOR CONTROL MODE
Setting the ATC register bit causes the left channel attenuation settings to be applied to both left and right
channels for all three pairs of DACs from the next audio input sample. No update to the attenuation
registers is required for ATC to take effect.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0000010
DAC Channel Control
3
ATC
0
Attenuator Control Mode:
0 : Right channels use Right
attenuations
1:
Right Channels use Left
Attenuations
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| WM8756 | 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| WM-875-899-PK | 制造商:Brady Corporation 功能描述:CONSECUTIVE NOS. - LEGEND: 875-899 |
| WM8758B | 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:Stereo CODEC with Headphone Driver and Line Out |
| WM8758BGEFL/RV | 功能描述:接口—CODEC Stereo CODEC plus PCM CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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 |
| WM8758BGEFL/V | 功能描述:接口—CODEC Stereo CODEC plus PCM CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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 |
| WM8758BLGEFL/RV | 功能描述:接口—CODEC Stereo CODEC Plus PCM CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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 |
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