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PCM1742

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106dB SNR 立体声 DAC

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全新 TAD5112 预发布 具有 106dB 动态范围的低功耗立体声音频 DAC With integrated headphone amplifier, SW controlled, QFN package

PCM1742

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产品详情

Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 106 Sampling rate (max) (kHz) 192 Control interface SPI Resolution (Bits) 24 Architecture Multilevel Delta-Sigma 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) 192 Control interface SPI Resolution (Bits) 24 Architecture Multilevel Delta-Sigma Operating temperature range (°C) -25 to 85 Rating Catalog
SSOP (DBQ) 16 29.4 mm² 4.9 x 6
  • 24-Bit Resolution
  • Analog Performance (VCC = 5 V):
    • Dynamic Range:
      • 106 dB, Typical (PCM1742KE)
      • 100 dB, Typical (PCM1742E)
    • SNR:
      • 106 dB, Typical (PCM1742KE)
      • 100 dB, Typical (PCM1742E)
    • THD+N:
      • 0.002%, Typical (PCM1742KE)
      • 0.003%, Typical (PCM1742E)
    • Full-Scale Output: 3.1 Vp-p, Typical
  • 4x/8x Oversampling Digital Filter:
    Stop-Band Attenuation: -55 dB
    Pass-Band Ripple: ±0.03 dB
  • Sampling Frequency: 5 kHz to 200 kHz
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS With Autodetect
  • Accepts 16-, 18-, 20-, and 24-Bit Audio Data
  • Data Formats: Standard, I2S, and Left-Justified
  • User-Programmable Mode Controls:
    Digital Attenuation: 0 dB to -63 dB, 0.5 dB/Step
    Digital De-Emphasis
    Digital Filter Rolloff: Sharp or Slow
    Soft Mute
    Zero Flags for Each Output
  • Dual-Supply Operation: 5-V Analog, 3.3-V Digital
  • 5-V Tolerant Digital Inputs
  • Small SSOP-16 Package
  • APPLICATIONS
    • AV Receivers
    • DVD Movie Players
    • DVD Add-On Cards for High-End PCs
    • DVD Audio Players
    • HDTV Receivers
    • Car Audio Systems
    • Other Applications Requiring 24-Bit Audio

All other trademarks are the property of their respective owners
  • 24-Bit Resolution
  • Analog Performance (VCC = 5 V):
    • Dynamic Range:
      • 106 dB, Typical (PCM1742KE)
      • 100 dB, Typical (PCM1742E)
    • SNR:
      • 106 dB, Typical (PCM1742KE)
      • 100 dB, Typical (PCM1742E)
    • THD+N:
      • 0.002%, Typical (PCM1742KE)
      • 0.003%, Typical (PCM1742E)
    • Full-Scale Output: 3.1 Vp-p, Typical
  • 4x/8x Oversampling Digital Filter:
    Stop-Band Attenuation: -55 dB
    Pass-Band Ripple: ±0.03 dB
  • Sampling Frequency: 5 kHz to 200 kHz
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS With Autodetect
  • Accepts 16-, 18-, 20-, and 24-Bit Audio Data
  • Data Formats: Standard, I2S, and Left-Justified
  • User-Programmable Mode Controls:
    Digital Attenuation: 0 dB to -63 dB, 0.5 dB/Step
    Digital De-Emphasis
    Digital Filter Rolloff: Sharp or Slow
    Soft Mute
    Zero Flags for Each Output
  • Dual-Supply Operation: 5-V Analog, 3.3-V Digital
  • 5-V Tolerant Digital Inputs
  • Small SSOP-16 Package
  • APPLICATIONS
    • AV Receivers
    • DVD Movie Players
    • DVD Add-On Cards for High-End PCs
    • DVD Audio Players
    • HDTV Receivers
    • Car Audio Systems
    • Other Applications Requiring 24-Bit Audio

All other trademarks are the property of their respective owners

The PCM1742 is a CMOS, monolithic, integrated circuit which includes stereo digital-to-analog converters (DACs) and support circuitry in a small SSOP-16 package. The data converters use Texas Instruments' enhanced multilevel delta-sigma architecture that employs fourth-order noise shaping and 8-level amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1742 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. A full set of user-programmable functions is accessible through a 3-wire serial control port that supports register write functions.

The PCM1742 is a CMOS, monolithic, integrated circuit which includes stereo digital-to-analog converters (DACs) and support circuitry in a small SSOP-16 package. The data converters use Texas Instruments' enhanced multilevel delta-sigma architecture that employs fourth-order noise shaping and 8-level amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1742 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. A full set of user-programmable functions is accessible through a 3-wire serial control port that supports register write functions.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 24-Bit,96kHZ Sampling Enhanced Multilevel,Delta-Sigma,Audio DAC 数据表 (Rev. A) 2005年 4月 19日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日
应用手册 A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters 2000年 9月 27日
应用手册 THD+N Versus Frequency Characteristics and Spectra of the PCM1717/18/19/20/23/27 2000年 9月 27日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估模块 (EVM) 用 GUI

SLAC236 — PCM1742/48EVM - Graphical User Interface (GUI) Software

支持的产品和硬件

支持的产品和硬件

产品
音频 DAC
PCM1742 — 106dB SNR 立体声 DAC PCM1748 — 106dB SNR 立体声 DAC
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仿真模型

PCM1742E IBIS Model

SLAC193.ZIP (9 KB) - IBIS Model
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模拟工具

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PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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封装 引脚 下载
SSOP (DBQ) 16 查看选项
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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