Datasheet

MAX3982
SFP Copper-Cable Preemphasis Driver
_______________________________________________________________________________________ 9
30in FR4 OUTPUT
WITHOUT MAX3982
4.25Gbps PRBS7 + 100CID
MAX3982 toc23
30in FR4 OUTPUT
WITH MAX3982 PREEMPHASIS,
4.25Gbps PRBS7 + 100CID
MAX3982 toc24
PREEMPHASIS, PE[1,0] = 10,
OUTLEV = HIGH
100mV/div
TRANSMITTER ENABLE
MAX3982 toc25
200ns/div
TX_DISABLE
V
CC
OUT+
3.3V
LOW
HIGH
30in FR4 OUTPUT
WITHOUT MAX3982,
4.25Gbps PRBS31
MAX3982 toc26
30in FR4 OUTPUT
WITH MAX3982 PREEMPHASIS,
4.25Gbps PRBS31
MAX3982 toc27
PREEMPHASIS, PE[1,0] = 10, OUTLEV = HIGH
100mV/div
TRANSMITTER DISABLE
MAX3982 toc28
200ns/div
TX_DISABLE
V
CC
OUT+
3.3V
LOW
HIGH
Typical Operating Characteristics (continued)
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted. PRBS7 + 100CID pattern is PRBS 2
7
, 100 zeros, 1010, PRBS 2
7
, 100 ones, 0101.)