+3.3V, 622Mbps SDH/SONET
Laser Driver with Automatic Power Control
(VCC = +3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
EYE DIAGRAM
(622Mbps, 1300nm LASER
WITH 467MHz FILTER)
223 - 1 PRBS
EYE DIAGRAM
(IMOD = 35mA)
622Mbps
EYE DIAGRAM
(IMOD = 75mA)
622Mbps
PATTERN = 213 - 1 + 80 CID
IMOD = 35mA
PATTERN = 213 - 1 + 80 CID
IMOD = 75mA
193ps/div
MONITOR DIODE CURRENT
vs. APC SET RESISTOR
10
200ps/div
BIAS CURRENT vs.
MAXIMUM BIAS SET RESISTOR
1000
200ps/div
MODULATION CURRENT
vs. MODULATION SET RESISTOR
100
1
100
10
0.1
10
0.01
1
21
20
19
10
100
RAPCSET (kΩ)
RANDOM JITTER
vs. MODULATON CURRENT
INCLUDES RANDOM JITTER
DUE TO MEASUREMENT
EQUIPMENT
18
17
16
0
20
40
60
80
IMOD (mA)
1
0.1
1
10
100
RBIASMAX (kΩ)
PULSE-WIDTH DISTORTION
vs. MODULATION CURRENT
50
45
40
35
30
25
20
15
10
5
0
0
20
40
60
80
IMOD (mA)
1
0.1
55
1
10
100
1000
RMODSET (kΩ)
SUPPLY CURRENT
vs. TEMPERATURE
50
VCC = +5.0V
45
40
VCC = +3.3V
35
IBIAS = 48mA
IMOD = 33mA
30
-40 -15
10
35
60
85
TEMPERATURE (°C)
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