MAX3798 Просмотр технического описания (PDF) - Maxim Integrated
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производитель
MAX3798
Maxim Integrated
MAX3798 Datasheet PDF : 35 Pages
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1.0625Gbps to 10.32Gbps, Integrated, Low-
Power SFP+ Limiting Amplifier and VCSEL Driver
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 2.85V to 3.63V, TA = -40°C to +85°C, CML receiver output load is AC-coupled to differential 100Ω, CAZ = 1nF, transmitter out-
put load is AC-coupled to differential 100Ω (see Figure 1), typical values are at +25°C, VCC = 3.3V, IBIAS = 6mA, IMOD = 6mA, unless
otherwise specified. Registers are set to default values unless otherwise noted, and the 3-wire interface is static during measure-
ments. For testing, the MODE_SEL bit was used and the MSEL pin was left open.)
PARAMETER
Output Return Loss
CML Differential Output Voltage
High
CML Differential Output Voltage
Medium
Differential Output Signal When
Disabled
SYMBOL
SCC22
Data Output Transition Time
(20% to 80%)
tR/tF
(Notes 2, 3, 4)
Rx TRANSFER CHARACTERISTICS
Deterministic Jitter
(Notes 2, 3, 5)
DJ
Random Jitter (Notes 2, 3)
RJ
Low-Frequency Cutoff
Rx LOS SPECIFICATIONS
LOS Assert Sensitivity Range
LOS Hysteresis
CONDITIONS
DUT is powered on, 1GHz < f 5GHz
DUT is powered on, 1GHz < f 16GHz
5mVP-P VIN 1200mVP-P, SET_CML[162]
10mVP-P VIN 1200mVP-P, SET_CML[80]
Outputs AC-coupled, VINMAX applied to
input VDIFF_ROUT = 800mVP-P at 8.5Gbps
(Notes 2, 3)
10mVP-P VIN 1200mVP-P,
MODE_SEL = 1, VDIFF_ROUT = 400mVP-P
5mVP-P VIN 1200mVP-P,
MODE_SEL = 0, SLEW_RATE = 1,
VDIFF_ROUT = 800mVP-P
5mVP-P VIN 1200mVP-P,
MODE_SEL = 0, SLEW_RATE = 0,
VDIFF_ROUT = 800mVP-P
60mVP-P VIN 400mVP-P at 10.32Gbps,
MODE_SEL = 1, VDIFF_ROUT = 400mVP-P
10mVP-P VIN 1200mVP-P at 8.5Gbps,
MODE _SEL = 1, VDIFF_ROUT = 400mVP-P
10mVP-P VIN 1200mVP-P at 4.25Gbps,
MODE _SEL = 1, VDIFF_ROUT = 400mVP-P
10mVP-P VIN 1200mVP-P at 8.5Gbps,
MODE _SEL = 0, VDIFF_ROUT = 400mVP-P
5mVP-P VIN 1200mVP-P at 4.25Gbps,
MODE _SEL = 0, SLEW_RATE = 1,
VDIFF_ROUT = 800mVP-P
5mVP-P VIN 1200mVP-P at 4.25Gbps,
MODE _SEL = 0, SLEW_RATE = 0,
VDIFF_ROUT = 800mVP-P
Input = 60mVP-P at 4.25Gbps,
MODE_SEL = 0, VDIFF_ROUT = 800mVP-P
Input = 60mVP-P at 8.5Gbps,
MODE _SEL = 1, VDIFF_ROUT = 400mVP-P
CAZ = 0.1μF
CAZ = open
10 x log (VDEASSERT/VASSERT) (Note 6)
MIN
595
300
14
1.25
TYP
9
7
800
400
6
26
28
45
4
4
5
5
6
7
0.36
0.32
2
500
2.1
MAX
UNITS
dB
1005 mVP-P
515 mVP-P
15
mVP-P
35
50
ps
12
12
10
psP-P
20
0.51
0.48
psRMS
kHz
77
mVP-P
dB
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