參數(shù)資料
型號(hào): AK2570
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Feed Forward APC LSI for LD Module
中文描述: 前饋apc的大規(guī)模集成電路模塊為勞工處
文件頁數(shù): 4/27頁
文件大?。?/td> 292K
代理商: AK2570
ASAHI KASEI
[AK2570]
<MS0115-E-00>
2001/10
4
PIN ASSIGNMENT
[1] TEMPTEST
[2] BIAS
[4] DAOUT1
[3] FB1
[5] FB2
[6] DAOUT2
[7] AVDD
[8] AVSS
[9] VPDIN
[10] ALM
[20] ALMMOD0
[19] ALMMOD1
[18] SHUTDN
[17] DVDD
[16] DVSS
[15] DO
[14] DI
[13] SK
[12] CS
[11] ENVIN
A
No
Name
I/O
Type
Function
AC load DC load Remark
1
TEMPTEST O
Analog
Output the voltage generated by the T-SENSE (Factory use)
2
BIAS
O
Analog Output the current reference determined by the external resistance
[Note 1]
3
FB1
I
Analog
Input the feed back voltage to AMP1 for the gain control
4
DAOUT1
O
Analog
Output the compensation voltage [1] for the LD
< 20pF
5
FB2
I
Analog
Input the feed back voltage to AMP2 for the gain control
6
DAOUT2
O
Analog
Output the compensation voltage [2] for the LD
< 20pF
7
AVDD
I
Power
Supply the power for the analog part (+3.3V)
8
AVSS
I
Power
Ground the analog part (0V)
9
VPDIN
I
Analog
Input the signal of the monitor PD
10
ALM
O
CMOS
Output the aging alarm
< 20pF
11
ENVIN
I
CMOS
Input the envelope signal used at burst transmission
12
CS
I
CMOS
Input the Chip Select signal with the serial interface
[Note 2]
13
SK
I
CMOS
Input the Shift clock with the serial interface
14
DI
I
CMOS
Input the Data with the serial interface
15
DO
O
CMOS
Output the Data with the serial interface
< 100pF
16
DVSS
I
Power
Ground the digital part (0V)
17
DVDD
I
Power
Supply the power for the digital part (+3.3V)
18
SHUTDN
I
CMOS
Input the shut down signal for DA1 and DA2
See P.15
19 ALMMOD1
I
CMOS
Input the select signal [1] for the aging alarm mode
See P.15
20 ALMMOD0
I
CMOS
Input the select signal [0] for the aging alarm mode
See P.15
[Note 1] : Kindly insert the external register 75k
(
±
1%) between BIAS-pin and AVSS.
[Note 2] : It is necessary to input the
L
level signal to CS-pin at
Power ON
.
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