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PCM2705CDBR

Texas Instruments 线性 - 音频处理
  • 封装：28-SSOP（0.209"，5.30mm 宽）
  • RoHS：无铅 / 符合限制有害物质指令(RoHS)规范要求
  • 包装方式：Digi-Reel®
  • 参考价格：$3.5445-$6.58

更新日期：2024-04-01

PCM2705CDBR

Texas Instruments 线性 - 音频处理

产品简介：具有线路输出和 S/PDIF 输出、总线供电/自供电（软件控制）的 98dB SNR 立体声全速 DAC

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  • 封装：28-SSOP（0.209"，5.30mm 宽）
  • RoHS：无铅 / 符合限制有害物质指令(RoHS)规范要求
  • 包装方式：Digi-Reel®
  • 参考价格：$3.5445-$6.58

PCM2705CDBR 供应商

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PCM2705CDBR 中文资料属性参数

  • 标准包装：1
  • 类别：集成电路 (IC)
  • 家庭：线性 - 音频处理
  • 系列：-
  • 类型：DAC，USB
  • 应用：USB 音频
  • 安装类型：表面贴装
  • 封装/外壳：28-SSOP（0.209"，5.30mm 宽）
  • 供应商设备封装：28-SSOP
  • 包装：®
  • 其它名称：296-29562-6

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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PCM2705CDBR 电路图

PCM2705CDBR 电路图

PCM2705CDBR 电路图

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