參數(shù)資料
型號: AK5370VF
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: JT 6C 6#12 SKT GRND PLUG
中文描述: 我的USB /英格蘭/ D轉換器
文件頁數(shù): 2/27頁
文件大?。?/td> 203K
代理商: AK5370VF
ASAHI KASEI
[AK5370]
MS0027-E-00
2
2000/05
Pin/Function
No.
1
2
3
Signal Name
DGND
VD
DP
I/O
P
P
I/O
Ana / Dig
D
D
D
Description
Digital Ground
Digital Power Supply, 3.3V
USB bus Non-Inverting pin.
Because AK5370 is full speed mode device, 1.5k
resistor will
be connected between D+ node to VD.
USB bus Inverting Pin.
Please tie down to AGND for normal operation.
Crystal Oscillator Output, Connect Crystal Resonator
Crystal Oscillator Input, Connect Crystal Resonator
Please tie down to AGND for normal operation.
System clock PLL loop filter Pin. Connect 18k
resistor and
6800pF capacitor in series externally.
adPLL loop filter Pin. Connect 51k
resistor and 8200pF
capacitor in series externally.
Analog Common Voltage Reference Pin
Microphone Input
1
st
Amplifier Output Pin
2
nd
Amplifier Input Pin
Analog Power Supply, 3.3V
Analog Ground
ADC Common Voltage Reference Pin.
2
nd
Amplifier Output Pin
Please tie down to AGND for normal operation.
Voltage Reference Output for the Microphones bias voltage
When this chip goes into Suspend mode, this pin goes to Hi -Z.
Please tie down to AGND for normal operation.
AGC Enable Control Input Pin.
When the external AGC is used, High level should be applied
to this pin. When Low input is applied, AGC configuration
ROM data is set FALSE. Then AGC output is set to Low.
AGC Control Pin
When the host requests set AGC_CONTROL request, this pin
goes to H.
L level AGCE input prevents this AGC_CONTROL request.
Low level output at SUSPEND. Default output at Reset is
Low.
Reset Pin, Low input makes the chip reset sate.
Schmitt Trigger input.
4
5
6
7
8
9
DN
TESTMODE3
XTALOUT
XTALIN
TESTMODE2
LFLT2
I/O
I
O
I
I
O
D
D
A
A
A
A
10
LFLT1
O
A
11
12
13
14
15
16
17
18
19
20
VCOM
MICIN
AMP1O
AMP2I
VA
AGND
VREF
AMP2O
TESTMODE1
MICBIAS
O
I
O
I
P
P
O
O
I
O
A
A
A
A
A
A
A
A
A
A
21
22
TEST
AGCE
I
I
D
D
23
AGC
O
D
24
RSTN
I
D
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