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
