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

The device is a high-performance, single-chip, 24-bit, 6-in/8-out, audio coder and decoder 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 device supports the time-division-multiplexed TDM format.

The PCM3168A device 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 device is available in a 12-mm × 12-mm 10-mm × 10-mm body HTQFP-64 PowerPAD™ package.

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24-Bit ΔΣ ADC and DAC

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Six-ChanneL ADC:

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High Performance: Differential and Single-

Ended, fS = 48 kHz

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THD+N: –93 dB Differential and Single-

Ended

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SNR: 107 dB Differential,

104 dB Single-Ended

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Dynamic Range: 107 dB Differential,

104 dB Single-Ended

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Sampling Rate: 8 kHz to 96 kHz

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System Clock: 256 fS, 384 fS, 512 fS, 768 fS

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Differential Voltage Input: 2 VRMS

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Single-Ended Voltage Input: 1 VRMS

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Decimation Filter:

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Passband Ripple: ±0.035 dB

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Stop Band Attenuation: –75 dB

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On-Chip, Highpass Filter:

0.96 Hz at fS = 48 kHz

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Overflow Flag

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Eight-Channel DAC:

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High Performance: Differential, fS = 48 kHz

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THD+N: –94 dB

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SNR: 112 dB

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Dynamic Range: 112 dB

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Sampling Rate: 8 kHz to 192 kHz

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System Clock: 128 fS, 192 fS, 256 fS, 384 fS,

512 fS, 768 fS

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Differential Voltage Output: 8 VPP

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Analog Lowpass Filter Included

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4x/8x Oversampling Digital Filter:

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Passband Ripple: ±0.0018 dB

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Stop Band Attenuation: –75 dB

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Zero Flag

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Flexible Mode Control:

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Four-Wire SPI>rade;, Two-Wire I2C™ Compatible

Serial Control Interface or Hardware Control

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Multi Functions Through SPI or I2C I/F:

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Audio I/F Mode and Format Select for ADC

and DAC

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Digital Attenuation and Soft Mute for ADC and

DAC

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Digital De-Emphasis: 32, 44.1, and 48 kHz for

DAC

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Multi Functions Through H/W Control:

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Audio I/F Mode/Format Select

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Digital De-Emphasis Filter: 44.1 kHz for

DAC

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External Reset Pin:

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ADC/DAC Simultaneous

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Audio Interface Mode:

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ADC/DAC Independent Master and Slave

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Audio Data Format:

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ADC/DAC Independent I2S, Left-Justified,

Right-Justified, DSP, TDM

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Power Supplies: 5 V for Analog and 3.3 V for

Digital

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Package: HTQFP-64

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Operating Temperature Range:

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Consumer Grade: –40°C to 85°C

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Automotive Audio Grade: –40°C to 105°C