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AK4141 PDF预览

AK4141

更新时间: 2024-01-06 14:37:20
品牌 Logo 应用领域
AKM 解码器
页数 文件大小 规格书
19页 277K
描述
NICAM/A2/EIA-J Digital Stereo Decoder

AK4141 技术参数

生命周期:Obsolete零件包装代码:QFP
包装说明:0.50 MM PITCH, LEAD FREE, LQFP-48针数:48
Reach Compliance Code:unknown风险等级:5.83
Is Samacsys:N其他特性:IT ALSO REQUIRES 1.8V DIGITAL SUPPLY
商用集成电路类型:AUDIO DEMODULATOR解调类型:AM/FM
JESD-30 代码:S-PQFP-G48长度:7 mm
功能数量:1端子数量:48
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
认证状态:Not Qualified座面最大高度:1.7 mm
信噪比Nom(FM):73 dB最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V表面贴装:YES
温度等级:OTHER端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
宽度:7 mmBase Number Matches:1

AK4141 数据手册

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[AK4141]  
= Preliminary =  
AK4141  
NICAM/A2/EIA-J Digital Stereo Decoder  
GENERAL DESCRIPTION  
The AK4141 is a NICAM/A2/EIA-J stereo decoder, which is optimized for Digital TV application. The  
AK4141 achieves no alignment, few external components and high audio performance by digital stereo  
decoding architecture. The AK4141 integrates a stereo sample rate converter (SRC) for asynchronous  
digital audio sources such as HDMI, digital tuner, digital switches and sound processing functions such as  
5-band equalizers. The AK4141 supports major audio data formats (MSB/LSB justified, I2S and TDM) to  
interface with DSP, ADC, DAC. Therefore, the AK4141 is suitable for the AV systems such as Digital TV  
and DVR.  
FEATURES  
1. Stereo Decoding  
† Capable of receiving Sound Intermediate Frequency (SIF) with Selector  
and FM Demodulation  
† Automatic Gain Control (AGC: 100mVpp ~ 1Vpp) for SIF input  
† Alignment Free Digital Stereo Decoding  
EIA-J  
NICAM: B/G, L, I, D/K with FM/AM Mono  
A2: B/G, D/K1, D/K2, D/K3, M/N  
† Automatic/Manual Stereo Decoding Standard Selection  
† Automatic/Manual Audio Mode (Stereo/MONO/two sounds) Selection  
† Signal Quality Detection for Auto Selection Mode  
† High FM Deviation Option (max: 540kHz)  
† I2S sampling rate (fs): 32k/44.1k/48kHz  
2. Audio Processing (Two Stereos)  
† Automatic Level Control (ALC)  
† Balance  
† 5-band Equalizer  
† Stereo Separation Emphasis  
† Digital Volume Control with Soft Mute (+12dB~-115dB, 0.5dB/step)  
† Audio Data Interface:  
I2S input x 5 (2 inputs: SRC available)  
I2S output x 3  
Master/Slave Mode  
Audio Format: 24bit Left justified /Right justified / I2S or TDM  
3. Asynchronous Sample Rate Converter (SRC)  
† Input Sample Rate: 8k~192kHz  
† fso/fsi: 1/6~6  
4. Digital Audio Interface Transmitter (DIT) with Through Mode  
5. Integrated X’tal Oscillator  
6. Master Clock: 256fs/384fs/512fs/768fs/1024fs  
7. I2C-bus Control Interface  
8. Power Supply: 1.8V±0.1V, 3.3V±0.3V  
9. Ta: -20 ~ 85°C  
10. Package: 48pin LQFP  
Rev. 0.3-PB  
2008/01  
- 1 -  

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