MAX3799 データシートの表示（PDF） - Maxim Integrated
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MAX3799 Datasheet PDF : 36 Pages
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1Gbps to 14Gbps, SFP+ Multirate 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 RATE_SEL bit was used and the RSEL pin was left open.)
PARAMETER
Output Return Loss
SYMBOL
SDD22
Output Return Loss
CML Differential Output Voltage
High
CML Differential Output Voltage
Medium
CML Differential Output DAC
Limit
Differential Output Signal When
Disabled
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
LOS Assert/Deassert Time
Low Assert Level
Low Deassert Level
Medium Assert Level
Medium Deassert Level
High Assert Level
High Deassert Level
CONDITIONS
DUT is powered on, f 5GHz
DUT is powered on, f 16GHz
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]
SET_CML[7:0]
Outputs AC-coupled, VINMAX applied to
input VDIFF_ROUT = 800mVP-P at 8.5Gbps
(Notes 2, 3)
10mVP-P VIN 1200mVP-P,
RATE_SEL = 1, VDIFF_ROUT = 400mVP-P
5mVP-P VIN 1200mVP-P,
RATE_SEL = 0, VDIFF_ROUT = 800mVP-P
60mVP-P VIN 400mVP-P at 10.32Gbps,
RATE_SEL = 1, VDIFF_ROUT = 400mVP-P
10mVP-P VIN 1200mVP-P at 8.5Gbps,
RATE _SEL = 1, VDIFF_ROUT = 400mVP-P
5mVP-P VIN 1200mVP-P at 1.25Gbps,
RATE _SEL = 0, VDIFF_ROUT = 800mVP-P
Input = 60mVP-P at 1.25Gbps,
RATE_SEL = 0, VDIFF_ROUT = 800mVP-P
Input = 60mVP-P at 8.5Gbps,
RATE _SEL = 1, VDIFF_ROUT = 400mVP-P
CAZ = 0.1μF
CAZ = open
10 x log(VDEASSERT/VASSERT) (Note 6)
(Note 7)
SET_LOS[7] (Notes 2, 6)
SET_LOS[7] (Notes 2, 6)
SET_LOS[32] (Notes 2, 6)
SET_LOS[32] (Notes 2, 6)
SET_LOS[63] (Notes 2, 6)
SET_LOS[63] (Notes 2, 6)
MIN
595
300
14
1.25
2.3
8
14
39
65
77
127
TYP
11
5
9
7
800
400
6
26
60
4
4
20
1.8
0.32
2
500
2.1
11
18
48
81
94
158
MAX
UNITS
dB
dB
1005 mVP-P
515 mVP-P
215
15
mVP-P
35
ps
100
12
12
psP-P
2.5
0.48
psRMS
kHz
77
mVP-P
dB
80
μs
14
mVP-P
21
mVP-P
58
mVP-P
95
mVP-P
112 mVP-P
182 mVP-P
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