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Detalles del producto

Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 106 Sampling rate (max) (kHz) 384 Control interface H/W, I2C, SPI Resolution (Bits) 32 Architecture Delta Sigma with line driver Operating temperature range (°C) -25 to 85 Rating Catalog
Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 106 Sampling rate (max) (kHz) 384 Control interface H/W, I2C, SPI Resolution (Bits) 32 Architecture Delta Sigma with line driver Operating temperature range (°C) -25 to 85 Rating Catalog
TSSOP (PW) 28 62.08 mm² 9.7 x 6.4
  • Register-Selectable Audio-Processing Functions up to 48-kHz fS
    • Dynamic Range Control (DRC)
    • Equalization (EQ)
    • Filtering
  • DAC Functionality to 384-kHz fS
  • 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 Failsafe LVCMOS Digital Inputs
  • Single Supply Operation:
    • 3.3-V Analog, 1.8-V or 3.3-V Digital
  • Integrated Power-On Reset
  • Small28-Pin Package
  • Register-Selectable Audio-Processing Functions up to 48-kHz fS
    • Dynamic Range Control (DRC)
    • Equalization (EQ)
    • Filtering
  • DAC Functionality to 384-kHz fS
  • 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 Failsafe LVCMOS Digital Inputs
  • Single Supply Operation:
    • 3.3-V Analog, 1.8-V or 3.3-V Digital
  • Integrated Power-On Reset
  • Small28-Pin Package

The PCM512x 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 PCM512x 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 PCM512x family integrate preset audio processing functions with programmable coefficients, allowing developers to change the characteristics of the interpolation filter, speaker EQ, dynamic range controls, and average volume control in their products.

The PCM512x 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. By supporting loads down to 1 kΩ, the PCM512x can essentially drive up to 10 products in parallel (LCD TV, DVDR, AV receivers, and so forth).

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

The PCM512x 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 PCM512x 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 PCM512x family integrate preset audio processing functions with programmable coefficients, allowing developers to change the characteristics of the interpolation filter, speaker EQ, dynamic range controls, and average volume control in their products.

The PCM512x 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. By supporting loads down to 1 kΩ, the PCM512x can essentially drive up to 10 products in parallel (LCD TV, DVDR, AV receivers, and so forth).

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

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Documentación técnica

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Tipo Título Fecha
* Data sheet PCM512x 2-VRMS DirectPath™, 112-dB and 106-dB Audio Stereo DACs With 32-Bit, 384-kHz PCM Interface datasheet (Rev. C) PDF | HTML 25 oct 2018
EVM User's guide PCM512x/4x EVM User's Guide (Rev. A) 03 nov 2014
Application note A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters 27 sep 2000

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

PCM5122EVM-U — Módulo de evaluación PCM5122

The PCM5142EVM-U is a complete evaluation kit for use with a personal computer running the Microsoft Windows ™ operating system. This EVM can be used in conjunction with PurePath™ Studio to take advantage of the fixed-function processing and mini-DSP processing capabilities of the PCM5142 and (...)

Guía del usuario: PDF
Controlador o biblioteca

PCM5XXX-DRIVERS — Soporte para controladores Linux de la familia de DAC PCM5xxx

The Linux driver supports the PCM51xx device family of audio stereo digital-to-analog converters (DACs), communication through I2C and SPI, and registers with the ASOC framework of the Linux kernel. The "Go to third party" buttons below will allow you to downlod the appropriate drivers from (...)
IDE, configuración, compilador o depurador

AICPUREPATH_STUDIO — Entorno de desarrollo gráfico PurePath™ Studio

PurePath™ Studio Graphical Development Environment is a powerful, easy-to-use tool designed specifically to simplify software development for Audio products with a miniDSP/ Audio Processing capability.

The GDE permits these devices to be programmed to support the processing requirements of a wide (...)

Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de 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 (...)
Paquete Pasadores Descargar
TSSOP (PW) 28 Ver opciones

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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Soporte y capacitación

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