DESCRIPTION

The WM8804 is a high performance consumer mode S/PDIF transceiver with support for 1 received channel and 1 transmitted channel.

A crystal derived, or externally provided high quality master clock is used to allow low jitter recovery of S/PDIF supplied master clocks.

Generation of all typically used audio clocks is possible using the high performance internal PLL. A dedicated CLKOUT pin provides a high drive clock output.

A pass through option is provided which allows the device simply to be used to clean up (de-jitter) the received digital audio signals.

The device may be used under software control or stand alone hardware control modes. In software control mode, both 2-wire with read back and 3-wire interface modes are supported.

FEATURES

? S/PDIF (IEC60958-3) compliant.

? Advanced jitter attenuating PLL with low intrinsic period

jitter of 50 ps RMS.

? S/PDIF recovered clock using PLL, or stand alone crystal

derived clock generation.

? Supports 10 – 27MHz crystal clock frequencies.

? 2-wire / 3-Wire serial or hardware control interface.

? Programmable audio data interface modes:

- I2S, Left, Right Justified or DSP

- 16/20/24 bit word lengths

? 1 channel receiver input and 1 channel transmit output.

? Auto frequency detection / synchronisation.

? Selectable output status data bits.

? Up to 3 configurable GPO pins.

? De-emphasis flag output.

? Non-audio detection including DOLBYTM and DTSTM.

? Channel status changed flag.

? Configurable clock distribution with selectable output

MCLK rate of 512fs, 256fs, 128fs and 64fs.

? 2.7 to 3.6V digital and PLL supply voltages.

? 20-lead SSOP package.

APPLICATIONS

? AV processors and Hi-Fi systems

? Music industry applications

? DVD-P/DVD-RW

? Digital TV

WM8804屬于集成電路（IC） > 音頻專(zhuān)用。凌云邏輯制造生產(chǎn)的WM8804音頻專(zhuān)用音頻專(zhuān)用的半導(dǎo)體器件專(zhuān)為音頻信號(hào)的濾波、驅(qū)動(dòng)、放大、轉(zhuǎn)換和接口而設(shè)計(jì)。特征包括功能、應(yīng)用、通道數(shù)、接口、電壓和規(guī)格。應(yīng)用包括音頻系統(tǒng)、汽車(chē)音頻、消費(fèi)類(lèi)音頻、樂(lè)器、專(zhuān)業(yè)音頻、通信系統(tǒng)、電信系統(tǒng)、數(shù)字音頻、驅(qū)動(dòng)器、前置放大器、信號(hào)混合、信號(hào)處理、語(yǔ)音觸發(fā)器解決方案和 10 Base-T。