DSD1794ADBR

24位192 kHz采样，高级分段，音频立体声数字模拟转换器 24-BIT,192-kHz SAMPLING, ADVANCED SEGMENT, AUDIO STEREO DIGITAL-TO-ANALOG CONVERTER

DESCRIPON

The DSD1794A 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.

FEATURES

Supports Both DSD and PCM Formats

24-Bit Resolution

Analog Performance:

− Dynamic Range:

  − 132 dB 9 V RMS, Mono

  − 129 dB 4.5 V RMS, Stereo

  − 127 dB 2 V RMS, Stereo

− THD+N: 0.0004%

Differential Current Output: 7.8 mA p-p

8×Oversampling Digital Filter:

  − Stop-Band Attenuation: –130 dB

  − Pass-Band Ripple: ±0.00001 dB

Sampling Frequency: 10 kHz to 200 kHz

System Clock: 128, 192, 256, 384, 512, or 768 fSWith Autodetect

Accepts 16-, 20-, and 24-Bit Audio Data

PCM Data Formats: Standard, I2S, and Left-Justified

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

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 Player

DVD Players

HDTV Receivers

Car Audio Systems

Digital Multitrack Recorders

Other Applications Requiring 24-Bit Audio