PCM4204 - 118dB SNR 4 通道音频 ADC

PCM4204是TI德州仪器公司的一款音频ADC产品，PCM4204是118dB SNR 4 通道音频 ADC，本站介绍了PCM4204的封装应用图解、特点和优点、功能等，并给出了与PCM4204相关的TI元器件型号供参考。

PCM4204 - 118dB SNR 4 通道音频 ADC - 音频ADC - 音频转换器 - 德州仪器

产品描述

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.

产品特性

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.

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