Burr Brown Products
from Texas Instruments
PCM1798
SLES102 – DECEMBER 2003
24 BIT, 192 kHz SAMPLING, ADVANCED SEGMENT,
AUDIO STEREO DIGITAL TO ANALOG CONVERTER
FEATURES
D
24-Bit Resolution
D
Analog Performance:
D
5-V Tolerant Digital Inputs
D
Small 28-Lead SSOP Package, Lead-Free
D
Product
Pin Assignment Compatible With PCM1794
D
D
8× Oversampling Digital Filter:
−
Dynamic Range: 123 dB
−
THD+N: 0.0005%
Differential Current Output: 4 mA p-p
−
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
D
Accepts 16- and 24-Bit Audio Data
D
PCM Data Formats: Standard, I
2
S, and
Left-Justified
768 f
S
With Autodetect
APPLICATIONS
D
A/V Receivers
D
DVD Players
D
Musical Instruments
D
HDTV Receivers
D
Car Audio Systems
D
Digital Multitrack Recorders
D
Other Applications Requiring 24-Bit Audio
DESCRIPTION
The PCM1798 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 PCM1798 provides balanced
current outputs, allowing the user to optimize analog
performance externally. Sampling rates up to 200 kHz are
supported.
D
Interface Available for Optional External
Digital Filter or DSP
D
D
D
D
D
Digital De-Emphasis
Digital Filter Rolloff: Sharp or Slow
Soft Mute
Zero Flag
Dual-Supply Operation: 5-V Analog, 3.3-V
Digital
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
2003, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
