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參數(shù)資料
| 型號(hào)： | AK4640VG |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類(lèi)： | Codec |
| 英文描述： | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| 中文描述： | 16位編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植，AMPl |
| 文件頁(yè)數(shù)： | 1/76頁(yè) |
| 文件大?。?/td> | 634K |
| 代理商： | AK4640VG |
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ASAHI KASEI
[AK4640]
MS0273-E-00
2004/03
- 1 -
GENERAL DESCRIPTION
The AK4640 targeted at PDA and other low-power, small size applications. It features a 16bit stereo
CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits
include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The AK4640 is available in a
smaller 57pin BGA in addition to a 52pin QFN that has compatibility with the AK4534/8, utilizing less
board space than competitive offerings.
FEATURES
1. Resolution : 16bits
2. Recording Function
Mono Input
2 to 1 Selector (Internal and External MIC)
1
st
MIC Amplifier : +20dB or 0dB
2
nd
Amplifier with ALC : +27.5dB
～
8dB, 0.5dB Step
ADC Performance :
S/(N+D) : 79dB, DR, S/N : 83dB
3. Playback Function
Digital De-emphasis Filter (tc=50/15
μ
s, fs=32kHz, 44.1kHz, 48kHz)
Digital Volume (0dB
～
127dB, 0.5dB Step, Mute)
Headphone-Amp
- S/(N+D) : 70dB, S/N : 90dB
- Output Power : 15mW@16
(HVDD=3.3V)
- Click Noise Free at Power ON/OFF
Mono Speaker-Amp with ALC
- S/(N+D) : 64dB@150mW, S/N : 90dB
- BTL Output
- ALC circuit
- Output Power : 300mW@8
, THD+N=10% (HVDD=3.3V)
Mono and Stereo Beep Inputs
4. Phone I/F
Full-differential AUX Input
Full-differential Mono Output
5. Power Management
6. Master Clock
(1) PLL Mode
Frequencies : 11.2896MHz, 12MHz and 12.288MHz
Input Level : CMOS
(2) External Clock Mode
Frequencies : 1.792MHz
～
12.288MHz
7. Output Master Clock Frequencies : 32fs/64fs/128fs/256fs
8. Sampling Rate
(1) PLL Mode
8kHz, 11.025kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
(2) External Clock Mode
8kHz
～
48kHz
9. Control mode: 4-wire Serial / I
2
C Bus
10. Master/Slave mode
16-Bit
Σ
CODEC with MIC/HP/SPK-AMP
AK4640
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4640VN | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4642EN | Stereo CODEC with MIC/HP/SPK-AMP |
| AK4643EN | Stereo CODEC with MIC/HP/RCV/SPK-AMP |
| AK4645EZ | Stereo CODEC with MIC/HP-AMP |
| AK4645 | Stereo CODEC with MIC/HP-AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4640VN | 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4641 | 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16 BIT CODEC WITH BLUETOOTH INTERFACE |
| AK4641EN | 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16bit stereo CODEC with built-in Microphone-amplifier and 16bit Mono CODEC for Bluetooth Interface. |
| AK4641VN | 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16 BIT CODEC WITH BLUETOOTH INTERFACE |
| AK4642 | 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16-Bit ???￡ Stereo CODEC with MIC/HP/SPK-AMP |
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