AK2573A Datasheet, PDF (8/38 Pages) Asahi Kasei Microsystems – 125M / 156M Laser Diode Driver + APC

ASAHI KASEI
[AK2573A]
Vcom
CLKP/CLKN
DATAP/DATAN
Vamp
DATA
(DATAP - DATAN)
CLK
(CLKP - CLKN)
tsu
th
6. I-DAC1
Item
Condition
min
Resolution
Output Current with IMOD = 1.3V
76
Full Code 1
Output Current with IMOD = 1.3V
38
Full Code 2
Current Supply with IMOD = VDD
Shutdown
1 LSB Current Step 1 IMOD = 1.3V
1 LSB Current Step 2 IMOD = 1.3V
DNL
IMOD = 1.3V
-1
typ
8
85
43
0.333
0.169
max Unit Remark
bit
94 mA RE_DAC1_GAIN = 1
50 mA RE_DAC1_GAIN = 0
100 uA TXDISx = “H”
mA RE_DAC1_GAIN = 1
mA RE_DAC1_GAIN = 0
+1 LSB Code 20h to FFh
7. I-DAC2
Item
Resolution
Condition
min
Output Current with IMOD = 1.3V
48
Full Code 1
Output Current with IMOD = 1.3V
24
Full Code 2
Current Supply with IMOD = VDD
Shutdown
1 LSB Current Step 1 IMOD = 1.3V
1 LSB Current Step 2 IMOD = 1.3V
DNL
IMOD = 1.3V
-1
typ
8
54
27
0.212
0.106
max Unit Remark
bit
60 mA RE_DAC2_GAIN = 1
30 mA RE_DAC2_GAIN = 0
100 uA TXDISx = “H”
mA RE_DAC2_GAIN = 1
mA RE_DAC2_GAIN = 0
+1 LSB Code 20h to FFh
8. Duty Cycle Adjustment
Item
Maximum Pulse Extended
1 LSB Pulse Extended Step
Pulse Extended Stability
min
typ max
0.5
0.03
0.2
Note 1: This parameter is characterized and is not 100% tested.
9. Current Monitor
Item
Condition
MODMON to
I-DAC1 Gain
MODMON = 1.3V
Full Code
BIASMON to
I-DAC2 Gain
BIASMON = 1.3V
Full Code
min
0.008
0.008
typ
0.0095
0.0095
Unit Remarks
ns Note 1
ns 32 Steps
ns Ta=-40 to 85℃, VDDDR=3.1～3.5V,
0.3ns Extended (Note 1)
max
0.011
0.011
Unit Remark
A/A
A/A
<MS0189-E-01>
-8-
2004/5