+3.0V to +5.5V, 1.25Gbps/2.5Gbps
Limiting Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(Data outputs terminated per Figure 1, VCC = +3.0V to +5.5V, TA = 0°C to +70°C. Typical values are at VCC = +3.3V, TA = +25°C,
unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Medium LOS Assert Level
Medium LOS Deassert Level
High LOS Assert Level
High LOS Deassert Level
Squelch Input Current
Differential Input Resistance
Input-Referred Noise
CML Output Voltage
PECL Output High Voltage
PECL Output Low Voltage
LOS Output High Voltage
LOS Output Low Voltage
Output Signal When Squelched
Power-Supply Rejection Ratio
Low-Frequency Cutoff
Output Resistance (Single Ended)
Power-Supply Current
RTH = 7kΩ
RTH = 7kΩ
RTH = 20kΩ
RTH = 20kΩ
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
IN+ to IN-
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
LEVEL = open, RLOAD = 50Ω
LEVEL = GND, RLOAD = 75Ω
Referenced to VCC
Referenced to VCC
ILOS = -30µA
ILOS = +1.2mA
Outputs AC-coupled
f < 2MHz
CAZ = open
CAZ = 0.1µF
MAX3264/MAX3265/MAX3765
MAX3268/MAX3269/MAX3768
Figure 2
Output not
squelched
MAX3268
MAX3269
MAX3264
MAX3265
MAX3765
MAX3768
5.6
9.9
9.4
18.0
0
97
550
1100
-1.025
-1.810
2.4
85
9
16
15
27
21.6
41.5
35
67
80
100
150
230
1270
20
20
2
2
100
4
39
48
38
50
50
39
19.8
40.5
400
103
1200
1800
-0.880
+1.620
0.4
115
62
78
62
76
76
62
mV
mV
mV
mV
µA
Ω
µVRMS
mV
V
V
V
V
mV
dB
MHz
kHz
Ω
mA
Output squelched MAX3765
64
90
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