參數(shù)資料
型號: WM8728
廠商: Wolfson Microelectronics
英文描述: 24-bit, 192kHz Stereo DAC with Volume Control and DSD Support
中文描述: 24位,192kHz立體聲DAC,具有音量控制和渠務(wù)署支持
文件頁數(shù): 13/28頁
文件大小: 266K
代理商: WM8728
WM8728
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
13
RIGHT JUSTIFIED MODE
In right justified mode, the LSB is sampled on the rising edge of BCKIN preceding a LRCIN
transition. LRCIN is high during the left data word and low during the right data word.
LEFT CHANNEL
RIGHT CHANNEL
LRCIN
BCKIN
DIN
1/fs
n
3
2
1
n-2 n-1
LSB
MSB
n
3
2
1
n-2 n-1
LSB
MSB
Figure 8 Right Justified Mode Timing Diagram
I
2
S MODE
In I
2
S mode, the MSB is sampled on the second rising edge of BCKIN following a LRCIN
transition. LRCIN is low during the left data word and high during the right data word.
LEFT CHANNEL
RIGHT CHANNEL
LRCIN
BCKIN
DIN
1/fs
n
3
2
1
n-2 n-1
LSB
MSB
n
3
2
1
n-2 n-1
LSB
MSB
1 BCKIN
1 BCKIN
Figure 9 I
2
S Mode Timing Diagram
DSP EARLY MODE
In DSP early mode, the first bit is sampled on the BCKIN rising edge following the one that
detects a low to high transition on LRCIN. No BCKIN edges are allowed between the data words.
The word order is DIN left, DIN right.
LRCIN
BCKIN
DIN
Input Word Length (IWL)
1/fs
LEFT CHANNEL
n
2
1
n-1
LSB
MSB
n
2
1
n-1
RIGHT CHANNEL
NO VALID DATA
1 BCKIN
1 BCKIN
Figure 10 DSP Early Mode Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM8728_04 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo DAC with Volume Control
WM8728_12 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo DAC with Volume Control
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WM8728SEDS 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
WM8728SEDS/R 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel