Datasheet

ADN2871
Rev. A | Page 11 of 20
00
PERFORMANCE CHARACTERISTICS
40
250
190
220
160
130
100
70
0 204060801
05228-015
MODULATION CURRENT (mA)
TOTAL SUPPLY CURRENT (mA)
I
BIAS
= 20mA
I
BIAS
= 40mA
I
BIAS
= 80mA
I
BIAS
= 10mA
Figure 20. Total Supply Current vs. Modulation Current
Total Supply Current = I
CC
+ I
BIAS
+ I
MOD
80
120
115
110
105
100
95
90
85
–50–30–101030507090110
05228-017
TEMPERATURE (°C)
IBIAS/IBMON RATIO
Figure 21. IBIAS/IBMON Gain vs. Temperature, I
BIAS
= 20 mA
05228-018
OC48 PRBS31
DATA TRANSMISSION
t
_OFF
LESS THAN 1μs
ALS
Figure 22. ALS Assert Time, 5 μs/DIV
20
60
55
50
45
40
35
30
25
–50–30–101030507090110
05228-016
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
Figure 23. Supply Current (I
CC
) vs. Temperature with ALS Asserted, I
BIAS
= 20 mA
55
30
–50
110
05228-036
TEMPERATURE (°C)
IMOD/IMMON RATIO
50
45
40
35
–30 –10 10 30 50 70 90
Figure 24. IMOD/IMMON Gain vs. Temperature, I
MOD
= 30 mA
05228-037
TRANSMISSION
t
_ON
ALS
Figure 25. ALS Negate Time, 50 μs/DIV