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PCM2705CDB

Texas Instruments 音频 IC
  • 参考价格：￥26.57-￥46.99

更新日期：2024-04-01

PCM2705CDB

Texas Instruments 音频 IC

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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  • 参考价格：￥26.57-￥46.99

PCM2705CDB 供应商

  • 公司
  • 型号
  • 品牌
  • 封装/批号
  • 数量
  • 地区
  • 日期
  • 说明
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PCM2705CDB 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
  • 通道数量：2
  • 分辨率：16 bit
  • 接口类型：Serial
  • 工作电源电压：3.3 V, 5 V
  • 工作温度范围：- 25 C to + 85 C
  • 封装 / 箱体：SSOP-28
  • 封装：Bulk
  • DAC 输出端数量：2
  • 信噪比：98 dB
  • 工厂包装数量：50

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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PCM2705CDB 数据手册

数据手册 说明 数量 操作
PCM2705CDB

Audio 16 bit 48k SPI, USB 28-SSOP

 47页,1.25M 查看

PCM2705CDB 电路图

PCM2705CDB 电路图

PCM2705CDB 电路图

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