DSD1791 - 113dB SNR 立体声音频 DAC（硬件控制）

DSD1791是TI德州仪器公司的一款音频DAC产品，DSD1791是113dB SNR 立体声音频 DAC（硬件控制），本站介绍了DSD1791的封装应用图解、特点和优点、功能等，并给出了与DSD1791相关的TI元器件型号供参考。

DSD1791 - 113dB SNR 立体声音频 DAC（硬件控制） - 音频DAC - 音频转换器 - 德州仪器

产品描述

The DSD1791 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 DSD1791 provides balanced voltage outputs, allowing the user to optimize analog performance externally. The DSD1791 accepts PCM and DSD audio data formats, providing easy interfacing to audio DSP and decoder chips. The DSD1791 also accepts interface to 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 a three-wire serial control port. The DSD1791 also supports the time-division-multiplexed command and audio (TDMCA) data format.

产品特性

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 Postamp)
Differential Voltage Output: 3.2 Vp-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 PCM Audio Data
PCM Data Formats: Standard, I2S, and Left-Justified
DSD Format Interface Available
Optional Interface to External Digital Filter or DSP Available
TDMCA Interface Available
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/PCM Format
- Zero Detect Mute/PCM Format
- Zero Flag for Each Output/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

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