參數(shù)資料
型號(hào): AK4560AVQ
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): 34/47頁
文件大?。?/td> 339K
代理商: AK4560AVQ
ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 34 -
n
Headphone-Amps
Power supply voltage for Headphone-Amp is supplied from HVDD pin and centered around HVCM voltage. Load
resistance of headphone output is min.220
. (Refer to Figure 23).
Output level of Headphone-Amp is gained to +11.8dB internally, and THD+N is 1% at –3.4dBV(1.9Vpp) output level.
(Refer to Figure 22)
Figure 22. LINEOUT and Headphone-Amp Level Diagram (@VA=2.8V,OPGA=-8dB,VOL1-0=+7.5dB)
0dBV
-10dBV
-20dBV
+10dBV
-30dBV
DAC
LINEOUT(High)
LINEOUT(Low)
Analog Volume
+11.8dB
-13.7dBV
ALC2
-10dBV
-17.5dBV
-17.5dBV
OPGA =-8dB
-25.5dBV
HP-Amp
+7.5dB
+7.5dBV
+2dBV
-5.5dBV
-17.5dBV
+7.5dBV
-10.0dBV
-5.5dBV
+11.8dB
+6.3dBV
-8dB
-25.5dBV
+11.8dB
-13.7dBV
FS-12dB
FS-12dB
FS
-3.4dBV
THD+N=1%
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