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參數(shù)資料
| 型號： | AK4628A |
| 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)： | 1/41頁 |
| 文件大小： | 557K |
| 代理商： | AK4628A |
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ASAHI KASEI
[AK4628A]
MS0385-E-00
2005/02
- 1 -
GENERAL DESCRIPTION
The AK4628A is a single chip CODEC that includes two channels of ADC and eight channels of DAC. The
ADC outputs 24bit data and the DAC accepts up to 24bit input data. The ADC has the Enhanced Dual Bit
architecture with wide dynamic range. The DAC introduces the newly developed Advanced Multi-Bit
architecture, and achieves wider dynamic range and lower outband noise. An auxiliary digital audio input
interface maybe used instead of the ADC for passing audio data to the primary audio output port. Control
may be set directly by pins or programmed through a separate serial interface.
The AK4628A has a dynamic range of 102dB for ADC, 106dB for DAC and is well suited for digital
surround for home theater and car audio. An AC-3 system can be built with a IEC60958(SPDIF) receiver
such as the AK4112B. The AK4628A is available in a small 44pin LQFP package which will reduce
system space.
*AC-3 is a trademark of Dolby Laboratories.
FEATURES
2ch 24bit ADC
- 64x Oversampling
- Sampling Rate up to 96kHz
- Linear Phase Digital Anti-Alias Filter
- Single-Ended Input
- S/(N+D): 92dB
- Dynamic Range, S/N: 102dB
- Digital HPF for offset cancellation
- I/F format: MSB justified, I
2
S or TDM
- Overflow flag
8ch 24bit DAC
- 128x Oversampling
- Sampling Rate up to 192kHz
- 24bit 8 times Digital Filter
- Single-Ended Outputs
- On-chip Switched-Capacitor Filter
- S/(N+D): 90dB
- Dynamic Range, S/N: 106dB
- I/F format: MSB justified, LSB justified(20bit,24bit), I
2
S or TDM
- Individual channel digital volume with 128 levels and 0.5dB step
- Soft mute
- De-emphasis for 32kHz, 44.1kHz and 48kHz
- Zero Detect Function
High Jitter Tolerance
TTL Level Digital I/F
3-wire Serial and I
2
C Bus μP I/F for mode setting
Master clock: 256fs, 384fs or 512fs for fs=32kHz to 48kHz
128fs, 192fs or 256fs for fs=64kHz to 96kHz
128fs for fs=120kHz to 192kHz
Power Supply: 4.5 to 5.5V
Power Supply for output buffer: 2.7 to 5.5V
Small 44pin LQFP
AK4529 Pin Compatible
High Performance Multi-channel Audio CODEC
AK4628A
相關PDF資料 |
PDF描述 |
|---|---|
| AK4628AVQ | High Performance Multi-channel Audio CODEC |
| 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 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AK4631 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
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