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參數(shù)資料
| 型號(hào)： | LC78833V |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Digital Audio 16-Bit D/A Converter with Built-In Digital Filters(數(shù)字音頻16位D/A轉(zhuǎn)換器（帶內(nèi)置式數(shù)字濾波器 ）) |
| 中文描述： | 數(shù)字音頻16位的D / A，配有數(shù)字濾波器（數(shù)字音頻16位的D / A轉(zhuǎn)換器（帶內(nèi)置式數(shù)字濾波器）轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大小： | 293K |
| 代理商： | LC78833V |
LC78833M/V Operation
1. Digital Filters
The LC78833M and LC78833V perform the computations shown in the figure.
Oversampling
The oversampling circuit in these ICs consists of two 2
×
interpolation filters (implemented as FIR filters)
connected vertically.
In particular, these ICs implement 4
×
oversampling by the vertical connection of two FIR filter stages, a 33rd-order
stage and a ninth-order stage. See page 9 for the filter characteristics.
De-emphasis
A first-order IIR filter is used for de-emphasis. The filter coefficients are optimized for a sampling frequency of
44.1 kHz. See page 9 for the filter characteristics when de-emphasis is applied.
— De-emphasis on/off switching
De-emphasis is on when the EMP pin is high.
De-emphasis is off when the EMP pin is low.
2. Digital Audio Data Input
These ICs handle digital audio data in a 16-bit two’s complement MSB first format. The 16-bit serial data is input to
an internal register from the DATA pin on BCLK rising edges and read in on rising and falling edges of the LRCK
signal.
No. 5212-6/11
LC78833M, 78833V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC78833 | Digital Audio 16-Bit D/A Converter with Built-In Digital Filters |
| LC78834M | Stereo 18-bit Digital Audio D/A Converter with On-Chip 4 fs Digital Filters(立體聲18位數(shù)字音頻D/A轉(zhuǎn)換器帶片上4 fs數(shù)字濾波器) |
| LC78835 | 18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78835K | 18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78835KM | 18 Bits Digital Filter and D/A Converter for Digital Audio |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC78834M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Stereo 18-bit Digital Audio D/A Converter with On-Chip 4 fs Digital Filters |
| LC78835 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78835K | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78835KM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78835M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Audio Digital-to-Analog Converter |
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