DSD1796_14 Datasheet, PDF (1/61 Pages) Texas Instruments – 24BIT 192KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER

BurrĆBrown Products
from Texas Instruments
DSD1796
SLES101A – DECEMBER 2003 – REVISED NOVEMBER 2006
24ĆBIT, 192ĆkHz SAMPLING, ADVANCED SEGMENT,
AUDIO STEREO DIGITALĆTOĆANALOG CONVERTER
FEATURES
D Supports Both DSD and PCM Formats
D 24-Bit Resolution
D Analog Performance:
− Dynamic Range: 123 dB
− THD+N: 0.0005%
D Differential Current Output: 4 mA p-p
D 8× Oversampling Digital Filter:
− Stop-Band Attenuation: –98 dB
− Pass-Band Ripple: ±0.0002 dB
D Sampling Frequency: 10 kHz to 200 kHz
D System Clock: 128, 192, 256, 384, 512, or
768 f_S With Autodetect
D Accepts 16-, 20-, and 24-Bit Audio Data
D PCM Data Formats: Standard, I²S, and
Left-Justified
D DSD Format Interface Available
D Interface Available for Optional External
Digital Filter or DSP
D TDMCA Interface Available
D 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
D Compatible With DSD1792 (Pins and Mode
Controls)
D Dual Supply Operation:
− 5-V Analog, 3.3-V Digital
D 5-V Tolerant Digital Inputs
D Small 28-Lead SSOP Package
APPLICATIONS
D A/V Receivers
D SACD Players
D DVD Players
D HDTV Receivers
D Car Audio Systems
D Digital Multi-Track Recorders
D Other Applications Requiring 24-Bit Audio
DESCRIPTION
The DSD1796 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 DSD1796 provides balanced
current outputs, allowing the user to optimize analog
performance externally. The DSD1796 accepts the PCM
and DSD audio data formats, providing easy interfacing to
audio DSP and decoder chips. The DSD1796 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 SPI serial control port, which
supports register write and readback functions. The
DSD1796 also supports the time-division-multiplexed
command and audio (TDMCA) data format.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate
precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to
damage because very small parametric changes could cause the device not to meet its published specifications.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright  2006, Texas Instruments Incorporated