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PCM2705DBG4

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：管件
  • 参考价格：$6.56

更新日期：2024-04-01

PCM2705DBG4

Texas Instruments 线性 - 音频处理

产品简介：具有线性输出和 S/PDIF 输出、总线供电/自加电的 98dB SNR 立体声 USB2.0 FS 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：管件
  • 参考价格：$6.56

PCM2705DBG4 供应商

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PCM2705DBG4 中文资料属性参数

  • 产品培训模块：Data Converter Basics
  • 标准包装：50
  • 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：管件

产品特性

  • On-Chip USB Interface: No Need of Dedicated Device Driver With Full-Speed Transceivers Fully Compliant With USB 1.1 Specification Certified by USB-IF Partially Programmable Descriptors Adaptive Isochronous Transfer for Playback Bus-Powered or Self-Powered Operation
  • No Need of Dedicated Device Driver
  • With Full-Speed Transceivers
  • Fully Compliant With USB 1.1 Specification
  • Certified by USB-IF
  • Partially Programmable Descriptors
  • Adaptive Isochronous Transfer for Playback
  • Bus-Powered or Self-Powered Operation
  • Sampling Rate: 32, 44.1, 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 Pass-Band Ripple = ±0.04 dBStop-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
  • Oversampling Digital Filter Pass-Band Ripple = ±0.04 dBStop-Band Attenuation = -50 dB
  • Single-Ended Voltage Output
  • Analog LPF Included
  • Multiple Functions: Up to Eight Human Interface Device (HID) Interfaces (Depending on Model and Settings) Suspend Flag S/PDIF Out With SCMS External ROM Interface (PCM2704/6) Serial Programming Interface (PCM2705/7) I2S Interface (Selectable on PCM2706/7)
  • Up to Eight Human Interface Device (HID) Interfaces (Depending on Model and Settings)
  • Suspend Flag
  • S/PDIF Out With SCMS
  • External ROM Interface (PCM2704/6)
  • Serial Programming Interface (PCM2705/7)
  • I2S Interface (Selectable on PCM2706/7)
  • Package:

产品概述

The PCM2704/5/6/7 is TI's single-chip USB stereo audio DAC with USB-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 parts (for example, vendor ID/product ID) through the use of an external ROM (PCM2704/6), SPI (PCM2705/7), or on request. The modification of the USB descriptor through external ROM or SPI must comply with USB-IF guidelines, and the vendor ID must be your own ID as assigned by the USB-IF. The descriptor also can be modified by changing a mask; contact your representative for details. The PCM2704/5/6/7 employs SpAct architecture, TI's unique system that recovers the audio clock from USB packet data. On-chip analog PLLs with SpAct enable playback with low clock jitter.
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