Datasheet

MAX3996
3.0V to 5.5V, 2.5Gbps VCSEL
and Laser Driver
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
120mV/
div
64ps/div
ELECTRICAL EYE DIAGRAM
(i
MOD
= 30mA, 2
7
- 1 PRBS, 2.5Gbps)
MAX3996 toc01
25Ω LOAD
120mV/
div
52ps/div
ELECTRICAL EYE DIAGRAM
(i
MOD
= 30mA, 2
7
- 1 PRBS, 3.2Gbps)
MAX3996 toc02
25Ω LOAD
57ps/div
OPTICAL EYE DIAGRAM
(i
MOD
= 5mA, 850nm VCSEL, 2
7
- 1 PRBS,
2.5Gbps, 1870MHz FILTER)
MAX3996 toc03
57ps/div
MAX3996 toc04
OPTICAL EYE DIAGRAM
(i
MOD
= 15mA, 1310nm LASER, 2
7
- 1 PRBS,
2.5Gbps, 1870MHz FILTER)
20
40
30
60
50
70
80
TRANSITION TIME
vs. MODULATION CURRENT
MAX3996 toc05
i
MOD
(mA)
TRANSITION TIME (ps)
5152010 25 30 35
FALL TIME
RISE TIME
0
10
5
20
15
25
30
DETERMINISTIC JITTER
vs. MODULATION CURRENT
MAX3996 toc06
i
MOD
(mA)
DETERMINISTIC JITTER (ps
P-P
)
5152010 25 30 35
TOTAL DJ
PWD
30
35
40
45
50
55
60
65
70
03015 45 60 75
SUPPLY CURRENT vs.
TEMPERATURE (i
MOD
= 15mA)
MAX3996 toc07
AMBIENT TEMPERATURE (°C)
SUPPLY CURRENT (mA)
EXCLUDES I
BIAS
, i
MOD
25Ω LOAD
10µ
100µ
10m
1m
100m
1
POR DELAY vs. C
PORDLY
MAX3996 toc08
C
PORDLY
(F)
POR DELAY (s)
10p 1n100p 10n 100n