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參數(shù)資料
| 型號： | AK4560A |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16bit CODEC with ALC and MIC/HP/SPK-Amps |
| 中文描述： | 16位編解碼器ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植，放大器 |
| 文件頁數(shù)： | 32/47頁 |
| 文件大小： | 339K |
| 代理商： | AK4560A |
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ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 32 -
n
MUTE pin Function
When MUTE pin is “H”, output signals of LINEOUT, Headphone and Speaker is muted by force, and these signals are
output to common voltage. Then switches of AOUT1-0, VOL, BEEPH, ALCS and BEEPS become “OFF” by force.
When MUTE pin is “L”, these output signals are normal operation.
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Analog Through Mode
This mode can be input to playback circuits after adding ALC1 output signal and shutter signal. This mode can be
controlled by AOUT1-0 bits.
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Noise decreasing function
When ND pin is “H” or ND bit is “1”, the setting reference value of ALC1 (REF6-0 bits) is decreased to –3.5dB. Then this
mode is doing at every 1step with zero crossing detection. The time constant is about 12sec@fs=32kHz and
8sec@fs=48kHz.
When ND pin (or ND bit) changes from “H” (or “1”) to “L” (or “0”), the current reference value operates toward the
setting reference value of ALC1. Then this mode is doing at every 1step with zero crossing detection. The time constant is
about 3sec@fs=32kHz and 3sec@fs=48kHz.
In case of doing the FADEIN/FADEOUT operation during noise decreasing operation, the FADEIN/FADEOUT
operation starts from the current IPGA value.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4560AVQ | 16bit CODEC with ALC and MIC/HP/SPK-Amps |
| AK4561 | 16bit CODEC with built-in ALC and MIC/HP-Amp |
| AK4561VQ | 16bit CODEC with built-in ALC and MIC/HP-Amp |
| AK4562 | LOW POWER 20BIT CODEC WITH PGA |
| AK4562VN | LOW POWER 20BIT CODEC WITH PGA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4560AVQ | 制造商:AKM 制造商全稱:AKM 功能描述:16bit CODEC with ALC and MIC/HP/SPK-Amps |
| AK4561 | 制造商:AKM 制造商全稱:AKM 功能描述:16bit CODEC with built-in ALC and MIC/HP-Amp |
| AK4561VQ | 制造商:AKM 制造商全稱:AKM 功能描述:16bit CODEC with built-in ALC and MIC/HP-Amp |
| AK4562 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.A FOR AK4562 |
| AK4562VN | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH PGA |
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