Datasheet

_______________________________________________________________________________________ 9
MAX3946
1Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
Typical Operating Characteristics (continued)
(V
CC
= +3.3V, T
A
= +25°C, data pattern = 2
7
- 1 PRBS + 72 zeros + 2
7
- 1 PRBS (inverted) +72 ones, unless otherwise noted.)
FREQUENT ASSERTION OF DISABLE
MAX3946 toc22
4µs/div
HIGH
HIGH
LOW
LOW
V
BIAS
FAULT
DISABLE
OUTPUT
EXTERNAL FAULT
FAULT RECOVERY
MAX3946 toc21
4µs/div
HIGH
LOW
LOW
V
BIAS
FAULT
DISABLE
OUTPUT
EXTERNAL FAULT
REMOVED
RESPONSE TO FAULT
MAX3946 toc20
1µs/div
HIGH
LOW
V
BIAS
FAULT
DISABLE
OUTPUT
EXTERNAL FAULT
TRANSMITTER ENABLE
MAX3946 toc19
1µs/div
3.3V
HIGH
LOW
t_
ON
= 600ns
LOW
V
CC
FAULT
DISABLE
OUTPUT
TRANSMITTER DISABLE
MAX3946 toc18
100ns/div
3.3V
HIGH
LOW
LOW
V
CC
FAULT
DISABLE
OUTPUT