DSD1794ADBG4 Datasheet PDF - TI

●DESCRIPTION

●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