參數(shù)資料
型號(hào)： AK2574VB
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 156M Laser Diode Driver + APC for Burst Mode
中文描述： 1.56激光二極管驅(qū)動(dòng)器apc的突發(fā)模式
文件頁數(shù)： 10/30頁
文件大?。?/td> 248K
代理商： AK2574VB
ASAHI KASEI
[AK2574]
<MS0266-E-00>
-10-
2003/12
9. I-DAC2
Item
Condition
min
48
typ
8
54
max
60
Unit Remark
bit
mA
Resoution
Maximum Output
Current
Minimum Output
Current 1
Minimum Output
Current 2
Current Supply with
Shutdown
1 LSB Current Step
DNL
10. Duty Cycle Adjustment
Item
Maximum Pulse Extended
1 LSB Pulse Extended Step
Pulse Extended Stability
IBIAS = VDD – 1.8V
R_DAC2=FFh
IBIAS = VDD
1
≤
R_DAC2
≤
5
IBIAS = VDD
R_DAC2 = 0
IBIAS = VDD
1.06
1.2
mA
R_DAC2 = 1 to 5
0
mA
R_DAC2 = 0
100
uA
TXDIS = “1”
IBIAS = VDD – 1.8V
IBIAS = VDD – 1.8V
0.212
mA
LSB Code 20h toFFh
-1
+1
Condition
min
0.5
typ
0.03
max
0.2
Unit
ns
ns
ns
Remarks
Note 1
32 Steps
Note 1
0.3ns Extended
Ta=-40 to 85
℃
,
VDD=3.1
～
3.5V
Note 1: This parameter is characterized and is not 100% tested.
11. DAC (TXACT)
Item
Resoution
R_CMPTH[2:0]=011
R_CMPTH[2:0]=010
R_CMPTH[2:0]=001
R_CMPTH[2:0]=000
R_CMPTH[2:0]=100
R_CMPTH[2:0]=101
R_CMPTH[2:0]=110
R_CMPTH[2:0]=111
Condition
min
0.86
0.76
0.66
0.56
0.46
0.36
0.26
0.16
typ
3
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
max
0.94
0.84
0.74
0.64
0.54
0.44
0.34
0.24
Unit
bit
V
V
V
V
V
V
V
V
Remarks
Output Votage
12. PDIN Capacitance
Item
PDIN Capacitance
13. BIASGEN
Item
BIAS pin Votage
14. Temperature Sensor
Item
Voltage Slope
Offset Adjustment Target Ta = 35
℃
Note 1: This parameter is characterized and is not 100% tested.
Condition
min
typ
14
max
26
Unit
pF
Remarks
Condition
min
typ
1.2
max
Unit
V
Remark
Condition
TEMPMON Voltage
min
-12.14
typ
-11.56
1.215
max
-10.98
Unit
mV /
℃
V
Remark
Note 1
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