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AKD4641EN PDF预览

AKD4641EN

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
AKM 解码器编解码器蓝牙
页数 文件大小 规格书
50页 454K
描述
16-Bit ツヒ CODEC with Bluetooth Interface

AKD4641EN 数据手册

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ASAHI KASEI  
[AK4641EN]  
AK4641EN  
CODEC with Bluetooth Interface  
∆Σ  
16-Bit  
GENERAL DESCRIPTION  
The AK4641EN is targeted at PDA and other low-power, small size applications. It features a 16bit Stereo  
CODEC with a built-in Microphone-Amplifier and 16bit Mono CODEC for Bluetooth Interface. Input  
circuits include Microphone-Amplifier and ALC (Auto Level Control) circuit. The AK4641EN is available in  
a 36pin QFN, utilizing less board space than competitive offerings.  
FEATURES  
1. Recording Function of 16bit Stereo CODEC  
Mono Input  
2 to 1 Selector (Internal and External MIC)  
1st MIC Amplifier: +20dB or 0dB  
2nd Amplifier with ALC: +27.5dB ∼ −8dB, 0.5dB Step  
ADC Performance: S/(N+D): 81dB, S/N: 86dB  
Sampling Rate: 7kHz 48kHz  
Audio Interface Format: I2S, 16bit MSB justified  
2. Playback Function of 16bit Stereo CODEC  
Digital De-emphasis Filter (tc=50/15µs, fs=32kHz, 44.1kHz, 48kHz)  
Digital Volume (0dB ∼ −127dB, 0.5dB Step, Mute)  
5 Band Equalizer  
Stereo Line Output  
- Performance: S/(N+D): 86dB, S/N: 90dB  
Mono Line Output  
- Differential Output  
- Performance: S/(N+D): 86dB, S/N: 93dB  
AUX Input  
- Differential Input  
- +24dB ∼ −21dB, 3dB step  
Sampling Rate: 7kHz 48kHz  
Audio Interface Format: I2S, 16bit MSB justified, 16bit LSB justified  
3. 16bit Mono CODEC  
Analog Mix Path for Bluetooth Interface  
Sample Rate: 8kHz 16kHz  
Audio Interface Format: Short/Long Frame, I2S, 16bit MSB justified  
4. Power Management  
5. Master Clock: 1.792MHz 12.288MHz  
6. Control mode: I2C Bus  
7. Ta = 20 85°C  
8. Power Supply: 2.6V3.6V (typ. 3.3V)  
9. Power Supply Current: 17mA  
10. Package: 36pin QFN (0.5mm pitch)  
MS0467-E-00  
2006/02  
- 1 -  

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