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參數(shù)資料
| 型號(hào)： | LC78835 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 18 Bits Digital Filter and D/A Converter for Digital Audio |
| 中文描述： | 18位數(shù)字濾波和D / A數(shù)字音頻轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 10/14頁(yè) |
| 文件大?。?/td> | 400K |
| 代理商： | LC78835 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)當(dāng)前第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)
5. Digital-to-Analog (D/A) Converter
These chips have built-in output operational amplifiers which use two independent on-chip D/A converters for CH1
and CH2. Both use dynamic level shift, combining resistance strings (R-string D/A conversion), pulse-width
modulation (PWM D/A conversion) and level shift D/A conversion modes. (See figure below.)
Resistance String (R-string) D/A Converter
This 9-bit D/A converter circuit has 512 (=2
9
) unit resistors (R) connected in series so that a potential applied to
both ends is subjected to 512-way division. The two adjoining potentials V2 and V1 of the divided potentials
corresponding to the values of the 9 MSBs of data (D15 to D9) are sent via a switching circuit to the PWM D/A
converter. At this point, V2 – V1 = (VH – VL)/512.
No. 4624-10/14
LC78835K, 78835KM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC78835K | 18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78835KM | 18 Bits Digital Filter and D/A Converter for Digital Audio |
| LC78836 | Digital Audio 16-Bit D/A Converter with On-Chip Digital Filters |
| LC78836M | Digital Audio 16-Bit D/A Converter with On-Chip Digital Filters |
| LC7883KM | 16-bit Digital Filter and Digital-to-analog Converters for Digital Audio |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LC78836 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Digital Audio 16-Bit D/A Converter with On-Chip Digital Filters |
| LC78836M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Digital Audio 16-Bit D/A Converter with On-Chip Digital Filters |
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