參數(shù)資料
型號(hào)： AK4628AVQ
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi)： Codec
英文描述： High Performance Multi-channel Audio CODEC
中文描述： 高性能多通道音頻解碼器
文件頁(yè)數(shù)： 39/41頁(yè)
文件大?。?/td> 557K
代理商： AK4628AVQ
ASAHI KASEI
[AK4628A]
MS0385-E-00
2005/02
- 39 -
4. Analog Outputs
The analog outputs are also single-ended and centered around the VCOM voltage. The input signal range scales with the
supply voltage and nominally 0.6 x VREFH Vpp. The DAC input data format is 2’s complement. The output voltage is a
positive full scale for 7FFFFFH(@24bit) and a negative full scale for 800000H(@24bit). The ideal output is VCOM
voltage for 000000H(@24bit). The internal analog filters remove most of the noise generated by the delta-sigma
modulator of DAC beyond the audio passband.
DC offsets on analog outputs are eliminated by AC coupling since DAC outputs have DC offsets of a few mV.
Peripheral I/F Example
The AK4628A can accept the signal of device with a nominal 3.3V supply because of TTL input. The power supply for
output buffer (TVDD) of the AK4628A should be 3.3V when the peripheral devices operate at a nominal 3.3V supply.
Figure 27 shows an example with the mixed system of 3.3V and 5V.
3.3V Analog
5V Analog
3.3V Digital
5V Digital
PLL
I/F
Audio signal
DSP
AK4112B
Analog Digital
Control signal
uP &
Others
AK4628A
5V for input
3.3V for output
Figure 27. Power supply connection example
相關(guān)PDF資料
PDF描述
AK4628 HIGH PERFORMANCE MULTI CHANNEL AUDIO CODEC
AK4628VQ HIGH PERFORMANCE MULTI CHANNEL AUDIO CODEC
AK4631 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
AK4632 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP
AK4632VN 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4628VQ 制造商:AKM 制造商全稱(chēng):AKM 功能描述:HIGH PERFORMANCE MULTI CHANNEL AUDIO CODEC
AK4629 制造商:AKM 制造商全稱(chēng):AKM 功能描述:High Performance Multi-channel Audio CODEC
AK4629VQ 制造商:AKM 制造商全稱(chēng):AKM 功能描述:High Performance Multi-channel Audio CODEC
AK4631 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP
AK4631_1 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16-Bit ツヒ Mono CODEC with ALC & MIC/SPK-AMP
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