參數(shù)資料
型號： AK4671
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/RCV/HP-AMP
中文描述： 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù)： 1/164頁
文件大?。?/td> 1792K
代理商： AK4671
[AK4671]
MS0666-E-00
2007/10
- 1 -
GENERAL DESCRIPTION
The AK4671 is a stereo CODEC with a built-in Microphone-Amplifier, Receiver-Amplifier and
Headphone-Amplifier. The AK4671 features dual PCM I/F in addition to audio I/F that allows easy
interfacing in mobile phone designs with Bluetooth I/F. The AK4671 is available in a 57pin BGA, utilizing
less board space than competitive offerings.
FEATURES
1. Recording Function (Stereo CODEC)
4 Stereo Input Selector x 2ch
4 Stereo Inputs (Single-ended) or 2 Stereo Input (Full-differential)
MIC Amplifier: +30dB
～
12dB, 3dB step
Digital ALC (Automatic Level Control): +36dB
～
54dB, 0.375dB Step, Mute
Wind-noise Reduction Filter
Stereo Separation Emphasis
5-band Programmable Notch Filter
Audio Interface Format: 16bit MSB justified, I
2
S, DSP Mode
2. Playback Function (Stereo CODEC)
Digital Volume (+12dB
～
115.0dB, 0.5dB Step, Mute)
Digital ALC (Automatic Level Control): +36dB
～
54dB, 0.375dB Step, Mute
Stereo Separation Emphasis
5-band EQ
Stereo Line Output
Mono Receiver-Amp
- BTL Output
- Output Power: 30mW@32
Ω
(AVDD=3.3V)
Stereo Headphone-Amp
- Output Power: 30mW@16
Ω
(AVDD=3.3V)
Analog Mixing: 4 Stereo Input
Audio Interface Format:
- 16bit MSB justified, 16bit LSB justified, 16-24bit I
2
S, DSP Mode
3. Dual PCM I/F for Baseband & Bluetooth Interface
Sample Rate Converter (Up sample: up to x6: Down sample: down to x1/6)
Sample Rate: 8kHz
Digital Volume
Audio Interface Format:
- 16bit Linear, 8bit A-law, 8bit
μ
-law
- Short/Long Frame, I
2
S, MSB justified
4. 10bit SAR ADC
3 Input Selector
5. Power Management
6. Master Clock:
(1) PLL Mode
Frequencies: 11.2896MHz, 12MHz, 12.288MHz, 13MHz, 13.5MHz, 19.2MHz,
24MHz, 26MHz, 27MHz (MCKI pin)
1fs (LRCK pin)
32fs or 64fs (BICK pin)
(2) External Clock Mode
Frequencies: 256fs, 384fs, 512fs, 768fs or 1024fs (MCKI pin)
7. Output Master Clock Frequencies: 32fs/64fs/128fs/256fs
8. Sampling Rate (Stereo CODEC):
Stereo CODEC with MIC/RCV/HP-AMP
AK4671
相關(guān)PDF資料
PDF描述
AK4671EG Stereo CODEC with MIC/RCV/HP-AMP
AK4673 Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4682 Multi-channel CODEC with 2Vrms Stereo Selector
AK4682EQ Multi-channel CODEC with 2Vrms Stereo Selector
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4671_10 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4671EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4673 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4675 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP/SPK-AMP
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