Datasheet

MAX3996
3.0V to 5.5V, 2.5Gbps VCSEL
and Laser Driver
_______________________________________________________________________________________ 5
LASER
OUPUT
TX_DISABLE
V
CC
FAULT
10.0ms/div
HOT PLUG WITH
TX_DISABLE LOW
MAX3996 toc09
3.3V
t_init = 23mS
0V
LOW
LOW
Typical Operating Characteristics (continued)
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
LASER
OUPUT
TX_DISABLE
V
CC
FAULT
10.0ms/div
STARTUP WITH SLOW
RAMPING SUPPLY
MAX3996 toc10
0V
LOW
LOW
3.3V
LASER
OUPUT
TX_DISABLE
V
CC
FAULT
20.0µs/div
TRANSMITTER ENABLE
MAX3996 toc11
LOW
LOW
HIGH
3.3V
t_on = 37µs
LASER
OUPUT
TX_DISABLE
V
CC
FAULT
20.0ns/div
TRANSMITTER DISABLE
MAX3996 toc12
LOW
LOW
HIGH
3.3V
t_off = 60ns
ELECTRICAL
OUPUT
FAULT
V
MON2
I
BIAS
10.0µs/div
RESPONSE TO FAULT
MAX3996 toc13
ON
OFF
LOW
HIGH
t_fault = 14µs
EXTERNALLY
FORCED FAULT
LASER
OUPUT
TX_DISABLE
V
TC
FAULT
10.0µs/div
FAULT RECOVERY TIME
MAX3996 toc14
EXTERNAL
FAULT REMOVED
LASER
OUPUT
TX_DISABLE
V
TC
FAULT
1.00ms/div
FREQUENT ASSERTION OF
TX_DISABLE
MAX3996 toc15
EXTERNALLY
FORCED FAULT
OV