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參數(shù)資料
| 型號： | DSD1792DB |
| 元件分類： | DAC |
| 英文描述： | 24 bit 192 khz SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER |
| 中文描述： | 24位192千赫采樣高級分段音頻立體聲數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 51/56頁 |
| 文件大?。?/td> | 497K |
| 代理商： | DSD1792DB |
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SLES067A MARCH 2003 REVISED AUGUST 2003
www.ti.com
51
THEORY OF OPERATION
Analog Output
Digital Input
24 Bits
8 fS
MSB
and
Lower 18 Bits
Upper
6 Bits
ICOB
Decoder
3rd-Order
5-Level
Sigma-Delta
Advanced
DWA
Current
Segment
DAC
04
Level
062
Level
066
Figure 62. Advanced Segments DAC
The DSD1792 uses TI’s advanced segment DAC architecture to achieve excellent dynamic performance and improved
tolerance to clock jitter. The DSD1792 provides balanced voltage outputs.
Digital input data via the digital filter is separated into six upper bits and 18 lower bits. The six upper bits are converted to
inverted complementary offset binary (ICOB) code. The lower 18 bits, associated with the MSB, are processed by a
five-level third-order delta-sigma modulator operated at 64 f
S
by default. The 1 level of the modulator is equivalent to the
1 LSB of the ICOB code converter. The data groups processed in the ICOB converter and third-order delta-sigma modulator
are summed together to an up to 66-level digital code, and then processed by data-weighted averaging (DWA) to reduce
the noise produced by element mismatch. The data of up to 66 levels from the DWA is converted to an analog output in
the differential-current segment section.
This architecture has overcome the various drawbacks of conventional multibit processing and also achieves excellent
dynamic performance.
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| DSD1792DBG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| DSD1792DBR | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| DSD1792DBRG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24B 192kHz Sampl Adv Segment Aud St 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| DSD1793 | 制造商:BB 制造商全稱:BB 功能描述:24 BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER |
| DSD1793DB | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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