參數(shù)資料
型號(hào): AK4647
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普腺苷
文件頁(yè)數(shù): 1/72頁(yè)
文件大?。?/td> 565K
代理商: AK4647
ASAHI KASEI
[AK4647]
MS0566-E-00
2006/11
- 1 -
GENERAL DESCRIPTION
The AK4647 features a stereo CODEC with a built-in Microphone-Amplifier and Headphone-Amplifier.
Built-in PLL circuit supports an easy interface with variable systems. The AK4647 is available in a 48pin
LQFP, utilizing less board space than competitive offerings.
FEATURES
1. Recording Function
Stereo Mic Input (Full-differential or Single-ended)
Stereo Line Input
MIC Amplifier (+32dB/+26dB/+20dB or 0dB)
Digital ALC (Automatic Level Control)
(+36dB
54dB, 0.375dB Step, Mute)
ADC Performance: S/(N+D): 83dB, DR, S/N: 86dB (MIC-Amp=+20dB)
S/(N+D): 88dB, DR, S/N: 95dB (MIC-Amp=0dB)
Wind-noise Reduction Filter
Stereo Separation Emphasis
Programmable EQ
2. Playback Function
Digital De-emphasis Filter (tc=50/15
μ
s, fs=32kHz, 44.1kHz, 48kHz)
Bass Boost
Soft Mute
Digital Volume (+12dB
115.0dB, 0.5dB Step, Mute)
Digital ALC (Automatic Level Control)
(+36dB
54dB, 0.375dB Step, Mute)
Stereo Separation Emphasis
Stereo Line Output
- Performance: S/(N+D): 88dB, S/N: 92dB
Stereo Headphone-Amp
- S/(N+D): 70dB, S/N: 90dB
- Output Power: 62mW@16
Ω
(HVDD=3.3V)
- Pop Noise Free at Power ON/OFF
Analog Mixing: Mono Input
3. Power Management
4. Master Clock:
(1) PLL Mode
Frequencies:
11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin)
1fs (LRCK pin)
32fs or 64fs (BICK pin)
(2) External Clock Mode
Frequencies: 256fs, 512fs or 1024fs (MCKI pin)
5. Output Master Clock Frequencies: 32fs/64fs/128fs/256fs
AK4647
Stereo CODEC with MIC/HP-AMP
相關(guān)PDF資料
PDF描述
AK4647VN Stereo CODEC with MIC/HP-AMP
AK4648 Stereo CODEC with MIC/HP/SPK-AMP
AK4648EC Stereo CODEC with MIC/HP/SPK-AMP
AK4650 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC
AK4650VG 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4647VN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP
AK4647VQ 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP
AK4648 制造商:AKM 制造商全稱:AKM 功能描述:stereo CODEC with MIC/HP/SPK amplifier
AK4648EC 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP/SPK-AMP
AK4649 制造商:AKM 制造商全稱:AKM 功能描述:24bit Stereo CODEC with MIC/SPK-AMP