PCM3168A - 具有 96/192kHz 采样速率的 6 通道输入/8 通道输出、24 位多通道音频编解码器

PCM3168A是TI德州仪器公司的一款音频编解码器产品，PCM3168A是具有 96/192kHz 采样速率的 6 通道输入/8 通道输出、24 位多通道音频编解码器，本站介绍了PCM3168A的封装应用图解、特点和优点、功能等，并给出了与PCM3168A相关的TI元器件型号供参考。

PCM3168A - 具有 96/192kHz 采样速率的 6 通道输入/8 通道输出、24 位多通道音频编解码器 - 音频编解码器 - 音频转换器 - 德州仪器

产品描述

The PCM3168A and PCM3168A-Q1 are high-performance, single-chip, 24-bit, 6-in/8-out, audio coders/decoders (codecs) with single-ended and differential selectable analog inputs and differential outputs.The six-channel, 24-bit analog-to-digital converter (ADC) employs a delta-sigma (ΔΣ) modulator and supports 8-kHz to 96-kHz sampling rates and a 16-bit/24-bit width digital audio output word on the audio interface. The eight-channel, 24-bit digital-to-analog converter (DAC) employs a ΔΣ modulator and supports 8-kHz to 192-kHz sampling rates and a 16-bit/24-bit width digital audio input word on the audio interface. Each audio interface supports I2S, left-justified, right-justified, and DSP formats with 16-bit/24-bit word width. In addition, the PCM3168A and PCM3168A-Q1 support the time-division-multiplexed (TDM) format.

The PCM3168A and PCM3168A-Q1 can be controlled through a four-wire, SPI-compatible interface, or two-wire, I2C-compatible serial interface in software, which provides access to all functions including digital attenuation, soft mute, de-emphasis, and so forth. Also, hardware control mode provides a subset of user-programmable functions through four control pins. The PCM3168A and PCM3168A-Q1 are available in a 12-mm × 12-mm (10-mm × 10-mm body) HTQFP-64 PowerPAD package.

产品特性

24-BIT Δ ADC AND DAC
SIX-CHANNEL ADC:
- High Performance: Differential and Single-Ended, fS = 48 kHz
- THD+N: -93 dB (Differential), -93 dB (Single-Ended)
- SNR: 107 dB (Differential), 104 dB (Single-Ended)
- Dynamic Range: 107 dB (Differential),104 dB (Single-Ended)
- Sampling Rate: 8 kHz to 96 kHz
- System Clock: 256 fS, 384 fS, 512 fS, 768 fS
- Differential Voltage Input: 2 VRMS
- Single-Ended Voltage Input: 1 VRMS
- Decimation Filter:
  - Passband Ripple: ±0.035 dB
  - Stop Band Attenuation: -75 dB
- On-Chip, High-Pass Filter: 0.96 Hz at fS = 48 kHz
- Overflow Flag
EIGHT-CHANNEL DAC:
- High Performance: Differential, fS = 48 kHz
- THD+N: -94 dB
- SNR: 112 dB
- Dynamic Range: 112 dB
- Sampling Rate: 8 kHz to 192 kHz
- System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS
- Differential Voltage Output: 8 VPP
- Analog Low-Pass Filter Included
- 4x/8x Oversampling Digital Filter:
  - Passband Ripple: ±0.0018 dB
  - Stop Band Attenuation: -75 dB
- Zero Flag
FLEXIBLE MODE CONTROL:
- Four-Wire SPI, Two-Wire I2C Compatible Serial Control Interface or Hardware Control
MULTIPLE FUNCTIONS VIA SPI OR I2C I/F:
- Audio I/F Mode/Format Select for ADC and DAC
- Digital Attenuation and Soft Mute for ADC and DAC
- Digital De-Emphasis: 32 kHz, 44.1 kHz, 48 kHz for DAC
- Data Polarity Control for ADC and DAC
- Power Down ADC/DAC Independently
MULTI FUNCTIONS VIA H/W CONTROL:
- Audio I/F Mode/Format Select
- Digital De-Emphasis Filter: 44.1 kHz for DAC
EXTERNAL RESET PIN:
- ADC/DAC Simultaneous
AUDIO INTERFACE MODE:
- ADC/DAC Independent Master/Slave
AUDIO DATA FORMAT:
- ADC/DAC Independent I2S, Left-Justified, Right-Justified, DSP, TDM
POWER SUPPLIES: 5 V for Analog and 3.3 V for Digital
PACKAGE: HTQFP-64
OPERATING TEMPERATURE RANGE:
- Consumer Grade: -40°C to +85°C
- Automotive Audio Grade: -40°C to +105°C
APPLICATIONS
- CAR AUDIO EXTERNAL AMPLIFIERS
- CAR AUDIO AVN APPLICATIONS
- HOME THEATERS
- AV RECEIVERS

PowerPAD is a trademark of Texas Instruments Incorporated. SPI is a trademark of Motorola. I2C, I2S are trademarks of NXP Semiconductors. All other trademarks are the property of their respective owners

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