100dB Stereo DAC with 2VRMS output and Integrated Audio PLL

PCM5100 is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of these alternatives:
Similar but not functionally equivalent to the compared device:
PCM5100A ACTIVE 2VRMS DirectPath™, 100dB Audio Stereo DAC with 32-bit, 384kHz PCM Interface This product is CMOS-integrated circuit that includes a stereo digital-to-analog converter and additional support circuitry in a small TSSOP package.
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Product details

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Features

  • Market-Leading Low Out-of-Band Noise
  • Selectable Digital-Filter Latency and Performance
  • No DC Blocking Capacitors Required
  • Integrated Negative Charge Pump
  • Internal Pop-Free Control For Sample-Rate Changes Or Clock Halts
  • Intelligent Muting System; Soft Up or Down Ramp and Analog Mute
    For 120dB Mute SNR With Popless Operation.
  • Integrated High-Performance Audio PLL With BCK Reference
    To Generate SCK Internally
  • Small 20-pin TSSOP Package
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Description

The PCM510x devices are a family of monolithic CMOS integrated circuits that include a stereo digital-to-analog converter and additional support circuitry in a small TSSOP package. The PCM510x uses the latest generation of TI’s advanced segment-DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter.

The PCM510x provides 2.1VRMS ground centered outputs, allowing designers to eliminate DC blocking capacitors on the output, as well as external muting circuits traditionally associated with single supply line drivers.

The integrated line driver surpasses all other charge-pump based line drivers by supporting loads down to 1kΩ. By supporting loads down to 1kΩ, the PCM510x can essentially drive up to 10 products in parallel, such as an LCD TV, DVDR, AV Receivers and other devices.

The integrated PLL on the device removes the requirement for a system clock (commonly known as master clock), allowing a 3-wire I2S connection and reducing system EMI.

Intelligent clock error and PowerSense under voltage protection utilizes a two level mute system for pop-free performance. Upon clock error or system power failure, the device digitally attenuates the data (or last known good data), then mutes the analog circuit

Compared with existing DAC technology, the PCM510x family offers up to 20dB lower out-of-band noise, reducing EMI and aliasing in downstream amplifiers/ADCs. (from traditional 100kHz OBN measurements all the way to 3MHz)

The PCM510x accepts industry-standard audio data formats with 16- to 32-bit data. Sample rates up to 384kHz are supported.

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Technical documentation

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Type Title Date
* Datasheet PCM5100,1,2 Audio Stereo DAC. datasheet (Rev. B) Apr. 25, 2012
User guides PCM510xEVM-U User Guide (Rev. C) Oct. 13, 2014
Application notes Dynamic Performance Testing of Digital Audio D/A Converters Oct. 02, 2000

Design & development

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Software development

SUPPORT SOFTWARE Download
SLAC493A.ZIP (1982 KB)

Design tools & simulation

SIMULATION MODELS Download
SLAM084.ZIP (13 KB) - IBIS Model
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • 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
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
TSSOP (PW) 20 View options

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