- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频转换器 - 音频 DAC
- 功能描述：113dB SNR 立体声音频 DAC（软件控制）
- 点击这里打开及下载DSD1793的技术文档资料
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The DSD1793 is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters and support circuitry in a small 28-lead SSOP package. The data converters use TI’s advanced-segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The DSD1793 provides balanced voltage outputs, allowing the user to optimize analog performance externally. The DSD1793 accepts the PCM and DSD audio data formats, providing easy interfacing to audio DSP and decoder chips. The DSD1793 also interfaces with external digital filter devices (DF1704, DF1706, PMD200). Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through an I2C-compatible serial port.
- Supports Both DSD and PCM Formats
- 24-Bit Resolution
- Analog Performance:
- Dynamic Range: 113 dB
- THD+N: 0.001%
- Full-Scale Output: 2.1 V rms (at Postamplifier)
- Differential Voltage Output: 3.2 V p-p
- 8× Oversampling Digital Filter:
- Stop-Band Attenuation: –82 dB
- Pass-Band Ripple: ±0.002 dB
- Sampling Frequency: 10 kHz to 200 kHz
- System Clock: 128, 192, 256, 384, 512, or 768 fS With Autodetect
- Accepts 16-, 20-, and 24-Bit Audio Data
- PCM Data Formats: Standard, I2S, and Left-Justified
- DSD Format Interface Available
- Optional Interface to External Digital Filter or DSP Available
- I2C-Compatible Serial Port
- User-Programmable Mode Controls:
- Digital Attenuation: 0 dB to –120 dB, 0.5 dB/Step
- Digital De-Emphasis
- Digital Filter Rolloff: Sharp or Slow
- Soft Mute
- Zero Detect Mute in PCM Format
- Zero Flags for Each Output in PCM and DSD Formats
- Dual Supply Operation:
- 5-V Analog, 3.3-V Digital
- 5-V Tolerant Digital Inputs
- Small 28-Lead SSOP Package
- APPLICATIONS
- A/V Receivers
- SACD Players
- DVD Players
- HDTV Receivers
- Car Audio Systems
- Digital Multitrack Recorders
- Other Applications Requiring 24-Bit Audio
- Number of DAC channels (#)
- 2
- Analog inputs
- 0
- Analog outputs
- 2
- DAC SNR (Typ) (dB)
- 113
- Sampling rate (Max) (kHz)
- 192
- Control interface
- I2C
- Resolution (Bits)
- 24
- Architecture
- Advanced Segment
DSD1793的完整型号有：DSD1793DB、DSD1793DBR，以下是这些产品的关键参数及官网采购报价：
DSD1793DB，工作温度：-25 to 85，封装：SSOP (DB)-28，包装数量MPQ：47个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网DSD1793DB的批量USD价格：3.601（1000+）
DSD1793DBR，工作温度：-25 to 85，封装：SSOP (DB)-28，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网DSD1793DBR的批量USD价格：3.047（1000+）
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