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Package | Pins | Size

SSOP (DB) 28 54 mm² 5.30 x 10.20 open-in-new Find other Audio DACs

Features

  • 24-Bit Resolution
  • Analog Performance (VCC = 5 V):
    • Dynamic Range: 117 dB (typical)
    • SNR: 117 dB (typical)
    • THD+N: 0.0004% (typical)
    • Full-Scale Output: 2.2 Vrms (at Postamplifier)
  • Differential Current Output: ±2.48 mA
  • Sampling Frequency: 10 kHz to 200 kHz
  • System Clock: 128, 192, 256, 384, 512, or 768 fS With Autodetect
  • Accepts 16-, 20-, and 24-Bit Audio Data
  • Data Formats: Standard, I2S, and Left-Justified
  • 8× Oversampling Digital Filter:
    • Stop-Band Attenuation: -82 dB
    • Pass-Band Ripple: ±0.002 dB
  • Optional Interface to External Digital Filter Available
  • Optional Interface to DSD Decoder for SACD Playback
  • 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
    • Zero-Detect Mute
    • Zero Flags for Each Output
  • Dual-Supply Operation:
    • 5-V Analog, 3.3-V Digital
  • 5-V Tolerant Digital Inputs
  • Small SSOP-28 Package
  • APPLICATIONS
    • AV Receivers
    • DVD Movie Players
    • SACD Players
    • HDTV Receivers
    • Car Audio Systems
    • Digital Multitrack Recorders
    • Other Multichannel Audio Systems

Audio Precision, System Two are trademarks of Audio Precision, Inc.
All trademarks are the property of their respective owners

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Description

The PCM1738 is a CMOS, monolithic, integrated circuit (IC) that includes stereo digital-to-analog converters (DACs) and support circuitry in a small SSOP-28 package. The data converters use a newly developed advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1738 provides balanced current outputs, allowing the user to optimize analog performance externally, and accepts industry-standard audio data formats with 16- to 24-bit data, providing easy interfacing to audio DSP and decoder chips. Sampling rates up to 200 kHz are supported. The PCM1738 also has two optional modes of operation: an external digital filter mode (for use with the DF1704, DF1706, and PMD200), and a DSD decoder interface for SACD playback applications. A full set of user-programmable functions is accessible through a 4-wire serial control port that supports register write and read functions.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet 24-Bit,96kHz Sampling Advanced Segment,Audio Stereo D/A Converter datasheet (Rev. C) Feb. 21, 2007
Application note Dynamic Performance Testing of Digital Audio D/A Converters Oct. 02, 2000

Design & development

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Design tools & simulation

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  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
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  • Supports simultaneous analysis of multiple products
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SSOP (DB) 28 View options

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