參數(shù)資料
型號： AK5700
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 16-Bit ツヒ Mono ADC with PLL & MIC-AMP
中文描述： 16位ツヒ單聲道ADC，帶鎖相環(huán)
文件頁數(shù)： 33/61頁
文件大?。?/td> 519K
代理商： AK5700
ASAHI KASEI
[AK5700]
MS0569-E-01
2006/12
- 33 -
AIN+ pin
AIN
pin
MPWR pin
AK5700
MIC-Amp
1k
1k
Figure 33. Connection Example for Full-differential Mic Input (MDIF1bit = “1”)
MIC Gain Amplifier
The AK5700 has a gain amplifier for microphone input. The gain of MIC-Amp is selected by the MGAIN1-0 bits (see
Table 20). The typical input impedance is 60k
Ω
(typ)@MGAIN1-0 bits = “00” or 30k
Ω
(typ)@MGAIN1-0 bits = “01” or
“10”.
MGAIN1 bit
MGAIN0 bit
0
0
0
1
1
0
1
1
Table 20. Mic Input Gain
MIC Power
When PMMP bit = “1”, the MPWR pin supplies power for the microphone. This output voltage is typically 0.75 x AVDD
and the load resistance is minimum 1.0k
Ω
. In case of using two sets of mono mic, the load resistance is minimum 2.0k
Ω
for each channel. No capacitor must not be connected directly to MPWR pin (see Figure 34).
PMMP bit
MPWR pin
0
1
Table 21. MIC Power
MPWR pin
Input Gain
0dB
+15dB
+30dB
N/A
Default
Default
Hi-Z
Output
≥
Ω
MIC Power
Microphone
AIN1 pin
Microphone
AIN2 pin
≥
Ω
Figure 34. MIC Block Circuit
相關PDF資料
PDF描述
AK5700VN 16-Bit ツヒ Mono ADC with PLL & MIC-AMP
AK5701KN 16-Bit ツヒ Stereo ADC with PLL & MIC-AMP
AK5701_07 16-Bit ツヒ Stereo ADC with PLL & MIC-AMP
AK5701VN 16-Bit ツヒ Stereo ADC with PLL & MIC-AMP
AK5701 digital audio 16bit A/D converter
相關代理商/技術(shù)參數(shù)
參數(shù)描述
AK5700VN 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ Mono ADC with PLL & MIC-AMP
AK5701 制造商:AKM 制造商全稱:AKM 功能描述:digital audio 16bit A/D converter
AK5701_07 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ Stereo ADC with PLL & MIC-AMP
AK5701KN 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ Stereo ADC with PLL & MIC-AMP
AK5701KNP-L 制造商:AKM Semiconductor Inc 功能描述:AK5701KNP-L
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