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PCM2706CPJT

Texas Instruments 音频专用

更新日期：2024-04-01

PCM2706CPJT

Texas Instruments 音频专用

产品简介：具有线性输出和 S/PDIF 输出、总线供电/自加电的 98 dB SNR 立体声全速 DAC (I2S)

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PCM2706CPJT 供应商

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PCM2706CPJT 中文资料属性参数

  • 现有数量：171现货1,750Factory
  • 价格：1 : ￥81.25000托盘
  • 系列：-
  • 包装：托盘
  • 产品状态：在售
  • 功能：音频信号处理器
  • 应用：音频系统
  • 通道数：2
  • 接口：I2C，SPI
  • 电压 - 供电：3V ~ 3.6V
  • 工作温度：-40°C ~ 125°C（TA）
  • 规格：-
  • 安装类型：表面贴装型
  • 封装/外壳：32-TQFP
  • 供应商器件封装：32-TQFP（7x7）

产品特性

  • On-Chip USB Interface: No Dedicated Device Driver Needed Full-Speed Transceivers Fully Compliant With USB 2.0 Specification USB 1.1 Descriptors With USB Audio Class Support Certified by USB-IF Partially Programmable Descriptors Adaptive Isochronous Transfer for Playback Bus-Powered or Self-Powered Operation
  • No Dedicated Device Driver Needed
  • Full-Speed Transceivers
  • Fully Compliant With USB 2.0 Specification USB 1.1 Descriptors With USB Audio Class Support
  • USB 1.1 Descriptors With USB Audio Class Support
  • Certified by USB-IF
  • Partially Programmable Descriptors
  • Adaptive Isochronous Transfer for Playback
  • Bus-Powered or Self-Powered Operation
  • Sampling Rates: 32 kHz, 44.1 kHz, and 48 kHz
  • On-Chip Clock Generator With Single 12-MHz Clock Source
  • Single Power Supply: Bus-Powered: 5 V, Typical (VBUS) Self-Powered: 3.3 V, Typical
  • Bus-Powered: 5 V, Typical (VBUS)
  • Self-Powered: 3.3 V, Typical
  • 16-Bit Delta-Sigma Stereo DAC Analog Performance at 5 V (Bus-Powered), 3.3 V (Self-Powered): THD + N: 0.006% RL > 10 kΩ, Self- Powered THD + N: 0.025% RL = 32 Ω SNR = 98 dB Dynamic Range: 98 dB PO = 12 mW, RL = 32 Ω Oversampling Digital Filter Passband Ripple = ±0.04 dB Stop-Band Attenuation = –50 dB Single-Ended Voltage Output Analog LPF Included
  • Analog Performance at 5 V (Bus-Powered), 3.3 V (Self-Powered): THD + N: 0.006% RL > 10 kΩ, Self- Powered THD + N: 0.025% RL = 32 Ω SNR = 98 dB Dynamic Range: 98 dB PO = 12 mW, RL = 32 Ω
  • THD + N: 0.006% RL > 10 kΩ, Self- Powered
  • THD + N: 0.025% RL = 32 Ω
  • SNR = 98 dB
  • Dynamic Range: 98 dB
  • PO = 12 mW, RL = 32 Ω
  • Oversampling Digital Filter Passband Ripple = ±0.04 dB Stop-Band Attenuation = –50 dB
  • Passband Ripple = ±0.04 dB
  • Stop-Band Attenuation = –50 dB
  • Single-Ended Voltage Output
  • Analog LPF Included
  • Multiple Functions: Up to Eight Human Interface Device (HID) Interfaces (Model and Setting Dependent) Suspend Flag S/PDIF Out With SCMS External ROM Interface (PCM2704C/6C) Serial Programming Interface (PCM2705C/7C) I2S Interface (Selectable on PCM2706C/7C)
  • Up to Eight Human Interface Device (HID) Interfaces (Model and Setting Dependent)
  • Suspend Flag
  • S/PDIF Out With SCMS
  • External ROM Interface (PCM2704C/6C)
  • Serial Programming Interface (PCM2705C/7C)
  • I2S Interface (Selectable on PCM2706C/7C)

产品概述

The PCM270xC are TI’s single-chip USB stereo audio digital-to-analog converters (DACs) with USB 2.0 compliant full-speed protocol controller and S/PDIF. The USB-protocol controller works with no software code, but USB descriptors can be modified in some areas (for example, vendor ID/product ID) through the use of an external ROM (PCM2704C and PCM2706C) or serial peripheral interface (SPI) (PCM2705C and PCM2707C). The PCM270xC also employ SpAct architecture, TI's unique system that recovers the audio clock from USB packet data. On-chip analog phase-locked loops (PLLs) with SpAct enable playback with low clock jitter.
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PCM2706CPJT 电路图

PCM2706CPJT 电路图

PCM2706CPJT 电路图

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