參數(shù)資料
型號(hào)： AK4560A
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi)： 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(yè)數(shù)： 36/47頁(yè)
文件大小： 339K
代理商： AK4560A
ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 36 -
n
SPEAKER BLOCK
The output signal from analog volume is converted into a monaural signal, its signal is input to speaker-Amp via ALC2
circuit. This speaker-Amp is a monaural output by BTL, can be output to maximum 80mW at 8
. (Refer to Figure 26)
Speaker Blocks (MOUT, ALC2 and Speaker-Amp) can be powered ON/OFF by controlling SPKP bit.
When SPKP bit is “0”, MOUT, SP0 and SP1 pins go Hi-z. (Refer to Figure 28)
When SPPS bit is “0”, Speaker-Amp becomes Power-Save-Mode. (Refer to Figure 27)
Then SP0 pin goes Hi-z and SP1 pin is output to SVDD/2 via R1 (typ.100k
).
When PD pin changes from “L” to “H” after power-up, SP0 and SP1 pins become Power-Save-Mode. In Power-Save-
Mode, SP0 and SP1 pins gradually become HVCM voltage via an internal resistor (R1: typ.200k
) from Hi-z to decrease
a pop noise. And when Power OFF (SPKP = “0”), the pop noise can be decreased by controlling via Power-Save-Mode.
Figure 26. Speaker-Amp Normal Operation
Figure 27. Speaker-Amp Power-Save-Mode
+
-
8
SP0
+
-
R1
SPPS
SPPS
SPPS
SPPS
SP1
SPPS
or
SPKP
SPPS
SPKP
+
-
8
SP0
+
-
R1
SPPS
SPPS
SPPS
SPPS
SP1
SPPS
or
SPKP
SPPS
SPKP
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
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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(chēng):AKM 功能描述:16bit CODEC with ALC and MIC/HP/SPK-Amps
AK4561 制造商:AKM 制造商全稱(chēng):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(chēng):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(chēng):AKM 功能描述:EVALUATION BOARD REV.A FOR AK4562
AK4562VN 制造商:AKM 制造商全稱(chēng):AKM 功能描述:LOW POWER 20BIT CODEC WITH PGA
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