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PCM1740E/2K

Texas Instruments 音频 IC
  • 参考价格：￥26.84-￥27.12

更新日期：2024-04-01

PCM1740E/2K

Texas Instruments 音频 IC

产品简介：具有可编程 PLL 和 VCXO 的 94dB SNR 立体声 DAC

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  • 参考价格：￥26.84-￥27.12

PCM1740E/2K 供应商

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  • 型号
  • 品牌
  • 封装/批号
  • 数量
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  • 日期
  • 说明
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PCM1740E/2K 中文资料属性参数

  • 制造商：Texas Instruments
  • 产品种类：音频数/模转换器 IC
  • 转换速率：96 KHz
  • 分辨率：24 bit
  • 接口类型：Serial (3-Wire)
  • 工作电源电压：5 V
  • 工作温度范围：+ 85 C
  • 封装 / 箱体：SSOP-24
  • 封装：Reel
  • 安装风格：SMD/SMT
  • DAC 输出端数量：2
  • 信噪比：94 dB
  • 工厂包装数量：2000
  • 电源电流：30 mA

产品特性

  • COMPLETE DELTA-SIGMA STEREO DAC
  • VOLTAGE-CONTROLLED CRYSTAL OSCILLATOR: 27MHz ±150ppm Output with 0V to 3V Input
  • 27MHz ±150ppm Output with 0V to 3V Input
  • PROGRAMMABLE PLL 256fS or 384fS Audio System Clock Output
  • 256fS or 384fS Audio System Clock Output
  • DYNAMIC PERFORMANCE: Dynamic Range: 94dB SNR: 94dB THD+N: 89dB
  • Dynamic Range: 94dB
  • SNR: 94dB
  • THD+N: 89dB
  • SAMPLING FREQUENCIES: 16kHz, 22.05kHz, 24kHz 32kHz, 44.1kHz, 48kHz 64kHz, 88.2kHz, 96kHz
  • 16kHz, 22.05kHz, 24kHz
  • 32kHz, 44.1kHz, 48kHz
  • 64kHz, 88.2kHz, 96kHz
  • SERIAL AUDIO INTERFACE: Standard or I2S™ Data Formats 16-, 20-, or 24-Bit Data
  • Standard or I2S™ Data Formats
  • 16-, 20-, or 24-Bit Data
  • I2C-BUS™ INTERFACE FOR CONTROL REGISTERS: Slave Receiver Operation 7-Bit Addressing Standard Transfer Rate (up to 100kbps)
  • Slave Receiver Operation
  • 7-Bit Addressing
  • Standard Transfer Rate (up to 100kbps)
  • PROGRAMMABLE CONTROLS: Digital Attenuation (256 steps) Soft Mute Infinite Zero Detect Mute De-Emphasis (32kHz, 44.1kHz, 48kHz) DAC Output Mode
  • Digital Attenuation (256 steps)
  • Soft Mute
  • Infinite Zero Detect Mute
  • De-Emphasis (32kHz, 44.1kHz, 48kHz)
  • DAC Output Mode
  • SINGLE +5V SUPPLY
  • SMALL SSOP-24 PACKAGE
  • APPLICATIONS SET-TOP BOXES DIGITAL BROADCAST RECEIVERS
  • SET-TOP BOXES
  • DIGITAL BROADCAST RECEIVERS

产品概述

The PCM1740 is a complete stereo audio digital-to-analog converter with on-chip PLL and VCXO. The PCM1740 is designed specifically for set-top box applications requiring high-quality audio playback, a precision tuned 27MHz master clock source, and support for multiple audio-sampling frequencies.The stereo digital-to-analog converter (DAC) uses multibit, delta-sigma architecture, which includes an 8x interpolation filter, 3rd-order noise shaping, 5-level amplitude quantization, and an analog low-pass filter. The PCM1740 includes a number of user-programmable functions, which are accessed via a standard I2C-Bus interface.
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