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Product details

Parameters

DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (Typ) (dB) 114 Sampling rate (Max) (kHz) 384 Control interface I2C, SPI, H/W Resolution (Bits) 32 Architecture Delta Sigma with line driver open-in-new Find other Audio DACs

Package | Pins | Size

VQFN (RHB) 32 25 mm² 5 x 5 open-in-new Find other Audio DACs

Features

  • Differential DirectPath™ Ground Biased Outputs
  • Market-Leading Low Out-of-Band Noise
  • Selectable Digital-Filter Latency and Performance
  • No DC Blocking Capacitors Required
  • Integrated Negative Charge Pump
  • Intelligent Muting System; Soft Up or Down Ramp and
    Analog Mute for 120dB Mute SNR
  • Integrated High-Performance Audio PLL With BCK
    Reference to Generate SCK Internally
  • Accepts 16-, 24-, and 32-Bit Audio Data
  • PCM Data Formats: I2S, Left-Justified
  • SPI or I2C Control
  • Hardware Configuration
  • Automatic Power-Save Mode When LRCK And BCK
    Are Deactivated
  • 1.8V or 3.3V Failsafe LVCMOS Digital Inputs
  • Single Supply Operation:
    • 3.3V Analog, 1.8V or 3.3V Digital
  • Integrated Power-On Reset
  • Small 32-terminal QFN Package
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Description

The PCM5242 is a monolithic CMOS integrated circuit that includes a stereo digital-to-analog converter and additional support circuitry in a small QFN package. The PCM5242 uses the latest generation of TI’s advanced segment-DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter.

The PCM5242 integrates a fully programmable miniDSP core, allowing developers to integrate filters, dynamic range controls, custom interpolators and other differentiating features to their products.

The PCM5242 provides 4.2VRMS ground-centered differential 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 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.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 5
Type Title Date
* Datasheet PCM5242 4.2-VRMS DirectPath, 114-dB Audio Stereo Differential-Output DAC with 32-bit, 384-kHz PCM Interface datasheet (Rev. A) Oct. 15, 2014
Technical articles How Class-D amplifiers are closing the gap on hi-res Class-AB amplifiers Apr. 01, 2016
User guides Using the TAS5754/6M and PCM5242 HybridFlow Processor (Rev. A) Jun. 19, 2015
Application notes Dynamic Performance Testing of Digital Audio D/A Converters Oct. 02, 2000
Application notes A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters Sep. 27, 2000

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
199
Description

The PCM5242RHBEVM is a complete evaluation kit of the PCM5242 Audio DAC for use with a personal computer running the Microsoft Windows ™ operating system. The PCM5242RHBEVM can be used in conjunction with PurePath™ Studio to take advantage of the fixed-function processing and (...)

Features
  • Use as a target board to work with the programmable miniDSP core, allowing developers to integrate filters, dynamic range controls, create customer or selectable digital-filter latency and performance
  • USB connection for power, streaming audio and access to control register
  • Ability to work with either (...)

Design tools & simulation

SIMULATION MODELS Download
SLM008.ZIP (114 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
  • (...)
GERBER FILES Download
SLAC705.ZIP (2584 KB)

Reference designs

REFERENCE DESIGNS Download
High Fidelity 175W Class-D Audio Amplifier with Digital Inputs and Processing Reference Design
TIDA-00874 This design turns the extremely high performance analog input TPA3251 Class-D amplifier into a digital input system with audio processing using the highly versatile PCM5242 differential output DAC. Now the full performance of TPA3251 amplifier can be realized with a variety of digital input sources (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Ultrasonic Distance Measurement using the TLV320AIC3268 miniDSP CODEC Reference Design
TIDA-00403 The TIDA-00403 reference design uses off-the-shelf EVMs for ultrasonic distance measurement solutions using algorithms within the TLV320AIC3268 miniDSP. In conjunction with TI’s PurePath Studio design suite, a robust and user configurable ultrasonic distance measurement system can be designed (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High Fidelity Audio Headphone Playback Reference Design for Portable and Smartphone Applications
TIDA-00385 Since the use of high fidelity headphones is a growing trend for portable audio playback, higher performance DAC and Headphone Amplifiers are demanded. This system converts digital audio from USB, SPDIF, or optical sources into analog using PCM5242 audio DAC. A high performance TPA6120A2 headphone (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
VQFN (RHB) 32 View options

Ordering & quality

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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