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參數(shù)資料
| 型號： | AK4628 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | 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 |
| 文件頁數(shù)： | 39/41頁 |
| 文件大?。?/td> | 546K |
| 代理商： | AK4628 |
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ASAHI KASEI
[AK4628]
MS0211-E-02
2004/03
- 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 AK4628 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 AK4628 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
AK4628
5V for input
3.3V for output
Figure 27. Power supply connection example
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| AK4633VN | 16bit mono CODEC with MIC/SPK amplifier. |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4628A | 制造商:AKM 制造商全稱:AKM 功能描述:single chip CODEC that includes two channels of ADC and eight channels of DAC. |
| AK4628AVQ | 制造商:AKM 制造商全稱:AKM 功能描述:High Performance Multi-channel Audio CODEC |
| AK4628VQ | 制造商:AKM 制造商全稱:AKM 功能描述:HIGH PERFORMANCE MULTI CHANNEL AUDIO CODEC |
| AK4629 | 制造商:AKM 制造商全稱:AKM 功能描述:High Performance Multi-channel Audio CODEC |
| AK4629VQ | 制造商:AKM 制造商全稱:AKM 功能描述:High Performance Multi-channel Audio CODEC |
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