Datasheet

MAX3964A/MAX3968
+3.0V to +5.5V, 125Mbps to 266Mbps
Limiting Amplifiers with Loss-of-Signal Detector
4 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX3964A EV kit, V
CC
= +3.3V, decibels (dB) calculated as 20 log ∆V, PECL outputs terminated with 50Ω to (V
CC
- 2V), T
A
= +25°C,
unless otherwise noted.)
0
0.6
1.2
2.4
1.8
3.0
-50 0-25 25 50 75 100
DATA OUTPUT EDGE SPEED
(20% to 80%) vs. TEMPERATURE
MAX3964/65toc04
TEMPERATURE (°C)
EDGE SPEED (ns)
MAX3968
MAX3964A
LOS OPERATION WITH SQUELCH
MAX3964 toc06
DATA
OUTPUT
LOS+
DATA
INPUT
10µs/div
1ns/div
MAX3964A
EYE DIAGRAM (INPUT = 3.3mV)
MAX3964 toc07
200mV/div
1600
600
0.1 1 10 100 1k 10k
OUTPUT AMPLITUDE vs. INPUT VOLTAGE
(DIFFERENTIAL SIGNAL LEVELS)
800
MAX3964/65toc05
INPUT VOLTAGE (mV)
OUTPUT AMPLITUDE (mV)
1000
1200
1400