Datasheet

ADN2873
Rev. 0 | Page 10 of 20
PERFORMANCE CHARACTERISTICS
40
240
180
100
220
160
120
140
100
60
80
0 1020406080100
MODULATION CURRENT (mA)
TOTAL SUPPLY CURRENT (mA)
07493-020
I
IBIAS
= 90mA
I
IBIAS
= 40mA
I
IBIAS
= 20mA
I
IBIAS
= 10mA
Figure 15. Total Supply Current vs. Modulation Current
Total Supply Current = I
VCC
+ I
IBIAS
+ I
IMOD
80
120
115
110
105
100
95
90
85
–40 25 85
TEMPERATURE (°C)
I
IBIAS
/I
IBMON
GAIN
0
7493-021
Figure 16. I
IBIAS
/I
IBMON
Gain vs. Temperature, I
IBIAS
= 11 mA
OC48 PRBS31
DATA TRANSMISSION
ALS
07493-022
t
_OFF
LESS THAN 1µs
Figure 17. ALS Assert Time, 5 μs/DIV
20
40
30
32
34
36
38
28
26
24
22
–40 25 85
TEMPERATURE (°C)
SUPPLY CURRENT (I
CC
)
07493-023
Figure 18. Supply Current (I
CC
) vs. Temperature with ALS Asserted, I
IBIAS
= 11 mA
55
30
–50
110
TEMPERATURE (°C)
I
IMOD
/I
IMMON
GAIN
50
45
40
35
–30 –10 10 30 50 70 90
07493-024
Figure 19. I
IMOD
/I
IMMON
Gain vs. Temperature, I
IMOD
= 30 mA
TRANSMISSION
t
_ON
ALS
07493-025
Figure 20. ALS Negate Time, 50 μs/DIV