AUDIO STEREO DIGITAL TO ANALOG CONVERTER
BurrĆBrown Products from Texas Instruments
PCM1798
SLES102 – DECEMBER 2003
24ĆBIT, 192ĆkHz SAMPLING, ADVANCED SEGMENT,...
Description
BurrĆBrown Products from Texas Instruments
PCM1798
SLES102 – DECEMBER 2003
24ĆBIT, 192ĆkHz SAMPLING, ADVANCED SEGMENT, AUDIO STEREO DIGITALĆTOĆANALOG CONVERTER
FEATURES
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 fS With Autodetect
D Accepts 16- and 24-Bit Audio Data D PCM Data Formats: Standard, I2S, and
Left-Justified
D Interface Available for Optional External
Digital Filter or DSP
D Digital De-Emphasis D Digital Filter Rolloff: Sharp or Slow D Soft Mute D Zero Flag D Dual-Supply Operation: 5-V Analog, 3.3-V
Digital
D 5-V Tolerant Digital Inputs D Small 28-Lead SSOP Package, Lead-Free
Product
D Pin Assignment Compatible With PCM1794
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 ex...
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