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Part Number: PCM1798

 

 

 

 

Description: The PCM1798 is a monolithic CMOS integrated circuit thatincludes stereo digital-to-analog converters a...


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PCM1798 General Description


The PCM1798 is a monolithic CMOS integrated circuit thatincludes stereo digital-to-analog converters and supportcircuitry in a small 28-lead SSOP package.

The dataconverters use TI's advanced segment DAC architectureto achieve excellent dynamic performance and improvedtolerance to clock jitter. The PCM1798 provides balancedcurrent outputs, allowing the user to optimize analogperformance externally. Sampling rates up to 200 kHz aresupported.

PCM1798 Maximum Ratings

 

PCM1793

Supply voltage

VCC1, VCC2L, VCC2R

−0.3 V to 6.5 V

VDD

−0.3 V to 4 V

Supply voltage differences: VCC1, VCC2L and VCC2R

±0.1 V

Ground voltage differences: AGND1, AGND2, AGND3L, AGND3R, and DGND

±0.1 V

Digital input
voltage


LRCK, DATA, BCK, SCK, FMT1, FMT0, MONO, CHSL, DEM, MUTE,RST,

0.3 V to 6.5 V

ZERO

0.3 V to (VDD + 0.3 V) < 4 V

Analog input voltage

0.3 V to (VCC + 0.3 V) <6.5 V

Input current (any pins except supplies)

±10 mA

Ambient temperature under bias

40°C to 125°C

Storage temperature

55°C to 150°C

Junction temperature

150°C

Lead temperature (soldering)

260°C, 5 s

Package temperature (IR reflow, peak)

260°C

PCM1798 Features

  24-Bit Resolution
  Analog Performance:−  Dynamic Range: 123 dB−  THD+N: 0.0005%
  Differential Current Output: 4 mA p-p
  8* Oversampling Digital Filter:−  Stop-Band Attenuation: 98 dB−  Pass-Band Ripple: ±0.0002 dB
  Sampling Frequency: 10 kHz to 200 kHz
  System Clock: 128, 192, 256, 384, 512, or768 fS With Autodetect
  Accepts 16- and 24-Bit Audio Data
  PCM Data Formats: Standard, I2S, andLeft-Justified
  Interface Available for Optional ExternalDigital Filter or DSP
  Digital De-Emphasis
  Digital Filter Rolloff: Sharp or Slow
  Soft Mute
  Zero Flag
  Dual-Supply Operation: 5-V Analog, 3.3-VDigital
  5-V Tolerant Digital Inputs
  Small 28-Lead SSOP Package, Lead-FreeProduct
  Pin Assignment Compatible With PCM1794

PCM1798 Typical Application

  A/V Receivers
  DVD Players
  Musical Instruments
  HDTV Receivers
  Car Audio Systems
  Digital Multitrack Recorders
  Other Applications Requiring 24-Bit Audio

PCM1798 Connection Diagram

PCM1798  Connection Diagram

PCM1798 datasheet

PCM1798
PDF/DataSheet Download

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