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參數資料
| 型號： | AK4140VF |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Digital BTSC Decoder |
| 中文描述： | 數字BTSC解碼器 |
| 文件頁數： | 1/43頁 |
| 文件大小： | 538K |
| 代理商： | AK4140VF |
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ASAHI KASEI
[AK4140]
AK4140
Digital BTSC Decoder
GENERAL DESCRIPTION
The AK4140 is a BTSC decoder, which is optimized for Digital STB/TV application. The AK4140 achieves
high audio performance using original demodulation techniques for 4.5MHz inter-carrier sound, and the
digital BTSC decoding architecture using digital dbx-TV
technology licensed from THAT Corporation
requires no alignment of external parts. The AK4140 supports major audio data formats (MSB justified,
I
2
S, TDM) to interface with usual DSP. Therefore, the AK4140 is suitable for the systems such as Digital
STB/TV, AV recorder etc.
The dbx-TV
brand identifies a range of technology solutions for digital TV-audio decoding developed and
licensed by THAT Corporation. The dbx-TV provides high performance solutions with high quality sound.
FEATURES
Capable of receiving 4.5MHz intercarrier sound and FM demodulation
Alignment Free Digital BTSC decoding (Mono/Stereo/SAP)
Programmable pilot/SAP/noise detection threshold
Automatic return to mono dependant on pilot/noise level
Mono/Stereo/SAP selectable output
Digital volume control
Soft Mute function
Digital HPF for DC-Offset cancel
Sampling Rate (fs): 32k/44.1k/48kHz
Master Clock: 256fs/384fs /512fs/768fs
Audio Interface: Master or Slave Mode
Output format: 16bit MSB justified / I
2
S or TDM
S/(N+D): 0.13%
S/N: 73dB
Power Supply: 2.7 ~ 3.6V
Ta: -20 ~
85
°
C
MCLK
VSS
VDD
PDN
FM
Demodulator
SIF
LRCK
SCLK
SDTO
Clock Divider
BTSC
Decoder
Serial I/O
Interface
Control
Register
SCL
SDA INT0
CAD1 CAD0
TDMIN
INT1
FILT
.
MS0547-E-01
2007/03
- 1 -
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AK4141 | 制造商:AKM 制造商全稱:AKM 功能描述:NICAM/A2/EIA-J Digital Stereo Decoder |
| AK4141EQ | 制造商:AKM 制造商全稱:AKM 功能描述:Evaluation board Rev.2 for AK4141 |
| AK41-44BS | 制造商:RIVETS 功能描述: |
| AK4145 | 制造商:AKM 制造商全稱:AKM 功能描述:Digital BTSC Stereo Encoder |
| AK4145ET | 制造商:AKM 制造商全稱:AKM 功能描述:Digital BTSC Stereo Encoder |
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