2V RMS DIRECTPATH 112dB Audio Stereo DAC with PCM interface and fully programmable miniDSP - PCM5142

PCM5142 (ACTIVE)

2V RMS DIRECTPATH 112dB Audio Stereo DAC with PCM interface and fully programmable miniDSP

 

Description

The PCM514x 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 PCM514x uses the latest generation of TI’s advanced segment-DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter.

Members of the PCM514x family integrate a fully programmable miniDSP core, allowing developers to integrate filters, dynamic range controls, custom interpolators, and other differentiating features to their products.

The PCM514x provides 2.1-VRMS 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 1 kΩ, allowing the PCM514x to drive up to 10 products in parallel, such as LCD TV, DVDR, and AV receivers.

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.

Features

  • Programmable miniDSP
  • 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 120-dB Mute SNR
  • Integrated High-Performance Audio PLL with
    BCK Reference To Generate SCK Internally
  • Accepts 16-, 20-, 24-, And 32-Bit Audio Data
  • PCM Data Formats: I2S, Left-Justified, Right-
    Justified, TDM / DSP
  • SPI or I2C Control
  • Software or Hardware Configuration
  • Automatic Power-Save Mode When LRCK And
    BCK Are Deactivated
  • 1.8-V or 3.3-V Fail-Safe LVCMOS Digital Inputs
  • Single Supply Operation:
    3.3-V Analog, 1.8-V or 3.3-V Digital
  • Integrated Power-On Reset
  • Small 28-pin TSSOP Package

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Parametrics Compare all products in Audio DAC

 
DACs (#)
# Inputs / # Outputs
DAC SNR (Typ) (dB)
Architecture
Resolution (Bits)
Control Interface
Digital Audio Interface
Additional Features
Pin/Package
Rating
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Approx. Price (US$)
PCM5142
2   
0 / 2   
112   
Delta Sigma with line driver   
32   
I2C
SPI
H/W   
L
I2S   
Intergrated PLL, Under Voltage protection, Intelligent Muting, Fully configurable miniDSP   
28TSSOP   
Catalog   
-25 to 85   
TSSOP   
28TSSOP: 62 mm2: 6.4 x 9.7(TSSOP)   
3.25 | 1ku   

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