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音频 ADC

PCM4204

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SNR 为 118dB 的 4 通道音频 ADC

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数据表

PCM4204

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数据表 立即订购

产品详情

Number of ADC channels 4 Sampling rate (max) (kHz) 216 Analog inputs 4 Control interface H/W Digital audio interface DSD, PCM THD+N (dB) -105 ADC SNR (typ) (dB) 118 Rating Catalog Operating temperature range (°C) -10 to 70 Analog outputs 0
Number of ADC channels 4 Sampling rate (max) (kHz) 216 Analog inputs 4 Control interface H/W Digital audio interface DSD, PCM THD+N (dB) -105 ADC SNR (typ) (dB) 118 Rating Catalog Operating temperature range (°C) -10 to 70 Analog outputs 0
HTQFP (PAP) 64 144 mm² 12 x 12
  • Four High-Performance Delta-Sigma Analog-to-Digital Converters
    • 24-Bit Linear PCM or 1-Bit Direct Stream Digital (DSD) Output Data
    • Supports PCM Output Sampling Rates up to 216kHz
    • Supports 64fS and 128fS DSD Output Data Rates
  • Dynamic Performance: PCM Output
    • Dynamic Range: 118dB
    • THD+N: –105dB
  • Dynamic Performance: DSD Output
    • Dynamic Range: 115dB
    • THD+N: –103dB
  • Audio Serial Port
    • 24-Bit Linear PCM Output Data
    • Master or Slave Mode Operation
    • Supports Left-Justified, Right-Justified, and I2S Data Formats
  • DSD Data Port
    • Supports DSD Output or Input for All Four Channels Simultaneously
    • Input Mode Provides 1-Bit DSD to 24-Bit PCM Data Format Conversion
  • Additional PCM Output Features
    • Linear-Phase Digital Decimation Filter
    • Digital High-Pass Filter for DC Removal
    • Clipping Flag Output for Each Channel
  • Power Supplies: +5V Analog and +3.3V Digital
  • Power Dissipation:
    • fS = 48kHz: 600mW typical
    • fS = 96kHz: 640mW typical
    • fS = 192kHz: 615mW typical
  • Power-Down Mode
  • Available in a Thermally-Enhanced HTQFP-64 Package
  • APPLICATIONS
    • Digital Recorders and Mixing Desks
    • Digital Audio Effects Processors
    • Broadcast Studio Equipment
    • Surround Sound Encoders
    • High-End A/V Receivers

PowerPAD is a registered trademark of Texas Instruments.
All trademarks are the property of their respective owners.
  • Four High-Performance Delta-Sigma Analog-to-Digital Converters
    • 24-Bit Linear PCM or 1-Bit Direct Stream Digital (DSD) Output Data
    • Supports PCM Output Sampling Rates up to 216kHz
    • Supports 64fS and 128fS DSD Output Data Rates
  • Dynamic Performance: PCM Output
    • Dynamic Range: 118dB
    • THD+N: –105dB
  • Dynamic Performance: DSD Output
    • Dynamic Range: 115dB
    • THD+N: –103dB
  • Audio Serial Port
    • 24-Bit Linear PCM Output Data
    • Master or Slave Mode Operation
    • Supports Left-Justified, Right-Justified, and I2S Data Formats
  • DSD Data Port
    • Supports DSD Output or Input for All Four Channels Simultaneously
    • Input Mode Provides 1-Bit DSD to 24-Bit PCM Data Format Conversion
  • Additional PCM Output Features
    • Linear-Phase Digital Decimation Filter
    • Digital High-Pass Filter for DC Removal
    • Clipping Flag Output for Each Channel
  • Power Supplies: +5V Analog and +3.3V Digital
  • Power Dissipation:
    • fS = 48kHz: 600mW typical
    • fS = 96kHz: 640mW typical
    • fS = 192kHz: 615mW typical
  • Power-Down Mode
  • Available in a Thermally-Enhanced HTQFP-64 Package
  • APPLICATIONS
    • Digital Recorders and Mixing Desks
    • Digital Audio Effects Processors
    • Broadcast Studio Equipment
    • Surround Sound Encoders
    • High-End A/V Receivers

PowerPAD is a registered trademark of Texas Instruments.
All trademarks are the property of their respective owners.

The PCM4204 is a high-performance, four-channel analog-to-digital (A/D) converter designed for professional and broadcast audio applications. The PCM4204 architecture utilizes a 1-bit delta-sigma modulator per channel incorporating a novel density modulated dither scheme for improved dynamic performance.

The PCM4204 supports 24-bit linear PCM output data, with sampling frequencies up to 216kHz. The PCM4204 can also be configured to output either 64x or 128x oversampled, 1-bit direct stream digital (DSD) data for each channel. In addition, the PCM4204 supports a DSD input mode, allowing 1-bit DSD to 24-bit PCM data format conversion utilizing the on-chip digital decimation filter. These features make the PCM4204 suitable for a variety of digital audio recording and processing applications.

The PCM4204 includes a flexible audio serial port interface, which supports standard PCM audio data formats, as well as time division multiplexed (TDM) PCM data formats. Multiple format support allows the system designer to choose the interface format that best suits the end application. Audio data format selection, sampling mode configuration, and high-pass filter functions are all programmed using dedicated control pins.

The PCM4204 operates from a +5V analog power supply and a +3.3V digital power supply. The digital I/O pins are compatible with +3.3V logic families. The PCM4204 is available in a thermally-enhanced HTQFP-64 PowerPAD™ package.

The PCM4204 is a high-performance, four-channel analog-to-digital (A/D) converter designed for professional and broadcast audio applications. The PCM4204 architecture utilizes a 1-bit delta-sigma modulator per channel incorporating a novel density modulated dither scheme for improved dynamic performance.

The PCM4204 supports 24-bit linear PCM output data, with sampling frequencies up to 216kHz. The PCM4204 can also be configured to output either 64x or 128x oversampled, 1-bit direct stream digital (DSD) data for each channel. In addition, the PCM4204 supports a DSD input mode, allowing 1-bit DSD to 24-bit PCM data format conversion utilizing the on-chip digital decimation filter. These features make the PCM4204 suitable for a variety of digital audio recording and processing applications.

The PCM4204 includes a flexible audio serial port interface, which supports standard PCM audio data formats, as well as time division multiplexed (TDM) PCM data formats. Multiple format support allows the system designer to choose the interface format that best suits the end application. Audio data format selection, sampling mode configuration, and high-pass filter functions are all programmed using dedicated control pins.

The PCM4204 operates from a +5V analog power supply and a +3.3V digital power supply. The digital I/O pins are compatible with +3.3V logic families. The PCM4204 is available in a thermally-enhanced HTQFP-64 PowerPAD™ package.
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类型 标题 下载最新的英语版本 日期
* 数据表 PCM4204: High Performance 24-Bit, 216kHz Sampling Four-Chan Audio A/D Converter 数据表 (Rev. A) 2004年 9月 23日
白皮书 Designing professional audio mixers for every scenario 2018年 6月 28日
EVM 用户指南 PCM4204EVM - User Guide (Rev. A) 2014年 8月 27日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日

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评估板

PCM4204EVM — PCM4204 评估模块 (EVM)

PCM4204EVM 是一个用于评估 PCM4204 器件性能和特性的便捷平台。此 EVM 上有两个 PCM4204，一个用于输入和输出信号，另一个用于支持转换测试模式和演示模式。使用德州仪器 (TI) OPA1632 运算放大器，通过低噪声输入电路对输入音频信号进行缓冲和滤波。PCM4204 器件及 AES3 发送器提供了手动复位功能。也就是说，单独使用 ADC 复位开关和 DIT 复位开关来复位 AES3 发送器。系统可以接受外部振荡器，或使用板载晶体振荡器作为时钟源。板载晶体提供低抖动时钟来测量两个 PCM4204 器件的性能。模拟及数字电源电压通过板载端子连接到电路板。

用户指南: PDF
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