Audio ASSP | LC89057W-VF4A

数字音频接口收发器

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概览

LC89057W-VF4A-E 是一款音频集成电路，根据数字音频设备之间的数据传输格式，通过 IEC60958/61937 和 EIAJ CP-1201 解调和调制信号，并支持高达 192kHz 的解调采样频率。它内置 VCO 和振荡放大器、两个位时钟电路，可以独立设置分频比，也可以用于 DSP 数据输入/输出时钟，以及 LR 时钟输出引脚。也可以使用多个 LC89057W-VF4A-E 集成电路，通过主/从功能，实现多沟道 PCM 接口。此集成电路适用于高性能 AV 放大器，以及 DVD 音频设备的 PCM 接口。

  • Possible to receive the sampling frequency of 32kHz to 192kHz and 24 bits data at a maximum.
  • Supports I2S data output that facilitates interfacing with DSP.
  • Output clock: 512fs, 256fs, 128fs, 64fs, 32fs, 2fs, fs, and fs/2
  • Possible to output oscillation amplifier and external input clocks regardless of the PLL status.
  • Maintains output clock continuity during clock switching.
  • Supports Multi-channel transfer and reception, using master/slave function.
  • Possible to process demodulation functions using common low-jitter clock without using PLL
    (external clock synchronization function)
  • Built-in PLL error lock prevention circuit to provide accurate lock

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fs Max (kHz)

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LC89057W-VF4A-E

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Obsolete

CAD Model

Pb

A

H

P

SPQFP-48 / SQFP-48

131AJ

4

260

JTRAY

1250

N

S/PDIF Modulator/Demodulator

4-wire

195

140

3

3.6

-30

70

Price N/A

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