參數(shù)資料
型號(hào): AK5371A
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 2ch A/D Converter with USB I/F
中文描述: 2通道的A / D轉(zhuǎn)換器的USB我/女
文件頁(yè)數(shù): 14/32頁(yè)
文件大?。?/td> 317K
代理商: AK5371A
14
MS0103-E-00
MS0546-E-00
ASAHI KASEI
[AK5371A]
2007/02
System Block Diagram
The following figure shows the system connection diagram. This is an example which uses external 1K bit EEPROM (AK93C45A)
as Device and String Descriptor. If EEPROM is not used, EPEN pin should be tied to VSS1.
Ceramic capacitors (0.1uF) for VA pin, VD pin, VREF pin and VCOM pin should be located as near as possible.
1M
Cd
Cd
AMP2RO
AMP2LO
LFLT1,2
XTALIN
11.2896M
VSS3
RSTN
XTALOUT
MICBIAS
MICR
AMPR1O
VREF
Testmode 1
Testmode 2
Testmode 3
DP
DN
1.5k
D+
D-
To Host/Hub
C3:1000p
C1:1.0u<
100
u
0.1u
0.1u
4.7u
0.1u
4.7u
Regulator
0.1u
10u
10uH
3300p
56k
0.1u
51k
0.1u
4.7u0.1u 4.7u
Test
VCOM
VA VSS3
VD VSS1
VSS2
18k
8200p
6800p
C2:0.33u
AMPR2I
MICL
AMPL1O
C1:1.0u<
C2:0.33u
AMPL2I
C3:1000p
<REMARK> This drawing does NOT mean physical pin locations/ordering
Phone Jack
STEREO SW
C1 is specified for lower end cut-off frequency
C3 forms Anti-aliasing filter in conjuction with the internal resistor at AMPR2O/AMPL2O
R0: 0
Ω
resister when BIASSEL is Low. 330
Ω
resister when BIASSEL is High
Cd: Please select the appropriate value according to crystal resonator’s characteristics
R1:4.7k
100
u
0.1u
R1:4.7k
10
Ω
GND
5V
GND
VSS1
10u
CS
SK
EPAO
EPDI
EEPROM
R0
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