ak2574 AKM Semiconductor, Inc., ak2574 Datasheet - Page 10

• Manufacturer Part Number: ak2574
• Description: 156m Laser Diode Driver Apc For Burst Mode
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
9. I-DAC2
Shutdown
10. Duty Cycle Adjustment
Note 1: This parameter is characterized and is not 100% tested.
11. DAC (TXA CT)
12. PDIN Capacitance
13. BIASGEN
14. Temperature Sensor
Note 1: This parameter is characterized and is not 100% tested.
<MS0266-E-00>
Resolution
Minimum Output
Current 1
Minimum Output
Current 2
Current Supply with
Maximum Output
Current
1 LSB Current Step
DNL
Maximum Pulse Extended
1 LSB Pulse Extended Step
Pulse Extended Stability
Resolution
Output Voltage
Item
BIAS pin Voltage
Item
Voltage Slope
Offset Adjustment Target Ta = 35&
PDIN Capacitance
Item
Item
Item
Item
IBIAS = VDD – 1.8V
IBIAS = VDD – 1.8V
IBIAS = VDD – 1.8V
1 R_DAC2 5
Condition
Condition
TEMPMON Voltage
R_DAC2=FFh
IBIAS = VDD
IBIAS = VDD
IBIAS = VDD
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
R_DAC2 = 0
Condition
0.3ns Extended
Ta=-40 to 85&,
VDD=3.1'3.5V
Condition
Condition
Condition
min
48
-1
-12.14
min
min
min
0.76
0.66
0.56
0.46
0.36
0.26
0.16
min
0.86
-10-
min
0.5
0.212
1.06
typ
54
8
0
-11.56
1.215
typ
typ
typ
1.2
14
typ
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
3
0.03
typ
max
100
1.2
60
+1
-10.98
max
max
max
max
0.94
0.84
0.74
0.64
0.54
0.44
0.34
0.24
26
max
0.2
Unit Remark
LSB Code 20h to FFh
mA
mA
mA
mA
uA
bit
mV / &
Unit
Unit
Unit
Unit
V
bit
R_DAC2 = 1 to 5
R_DAC2 = 0
TXDIS = “ 1”
pF
Unit
V
V
V
V
V
V
V
V
V
ns
ns
ns
Note 1
Note 1
32 Steps
Note 1
Remarks
Remarks
Remark
Remark
[AK2574]
Remarks
2003/12