參數(shù)資料
型號： AK4537VN
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP
中文描述： 16位ツヒ立體聲編解碼器與麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù)： 35/76頁
文件大小： 576K
代理商： AK4537VN
ASAHI KASEI
[AK4537]
MS0202-E-04
2005/04
- 35 -
2)
Using BEEPL and BEEPR pins
20k
MOUT2
0.068u
BEEPL
20k
±
30%
45%AVDD
20k
BEEPR
20k
±
30%
45%AVDD
BPSSP
SPP
SPN
SPK-Amp
BPSSP
AK4537
Figure 30. Connection example for 400mW output using BEEPL and BEEPR pins (SPKG bit = “1”)
Note)
1.
MOUT2 output is recommended to be AC coupled to avoid amplified DC offset of common voltage of MOUT2 and
BEEP-Amp is output via BTL Speaker-Amp (that means stand-by current is increased). Capacitor size affects the
cut-off frequency of 1
st
order LPF made by this AC coupling capacitor and series resister in front of BEEP input.
Internal feedback resister of BEEP-Amp which determines BEEP-Amp gain has 30% sample variation.
2.
Mono Output (MOUT2 pin)
The mixed Lch/Rch signal of DAC is output from the MOUT2 pin. When the MOUT2 bit is “0”, this output is OFF and
the MOUT2 pin is forced to VCOM voltage. The load impedance is 10k
(min.). When the PMSPK bit is “0”, the
Speaker-amp enters power-down-mode and the output is placed in a Hi-Z state.
相關(guān)PDF資料
PDF描述
AK4538 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4538VN 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541VQ AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 AC’97 Rev 2.1 Multimedia Audio CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4537VNP-L 制造商:AKM Semiconductor Inc 功能描述:AK4537VNP-L
AK4538 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
AK4538VN 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
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