Operating Junction Temperature Range ...........-55°C to +150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
CC
= 2.85V to 3.63V, T
A
= -40°C to +85°C, CML receiver output load is AC-coupled to differential 100Ω, C
AZ
= 1nF, transmitter out-
put load is AC-coupled to differential 100Ω (see Figure 1), typical values are at +25°C, V
CC
= 3.3V, I
BIAS
= 6mA, I
MOD
= 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
POWER SUPPLY
Power-Supply Current
Power-Supply Voltage
GENERAL
Input Data Rate
Input/Output SNR
BER
POWER-ON RESET
High POR Threshold
Low POR Threshold
Rx INPUT SPECIFICATIONS
Differential Input Resistance
RIN+/RIN-
Input Sensitivity (Note 2)
Input Overload
Input Return Loss
Input Return Loss
Rx OUTPUT SPECIFICATIONS
Differential Output Resistance
R
OUTDIFF
75
100
125
R
IN_DIFF
V
INMIN
V
INMAX
SDD11
SCC11
DUT is powered on, f
DUT is powered on, f
5GHz
16GHz
5GHz
16GHz
RATE_SEL = 0 (1.25Gbps)
RATE_SEL = 1 (10.32Gbps)
1.2
14
7
8
8
75
100
1
3
125
3
8
mV
P-P
V
P-P
dB
dB
I
BIAS
= I
BIASOFF
and I
MOD
= I
MODOFF
2.3
2.55
2.45
2.75
V
V
1.0625
14.1
10E-12
10.32
Gbps
I
CC
V
CC
Includes the CML output current;
excludes I
BIAS
= 6mA, I
MOD
= 6mA,
V
DIFF_ROUT
= 400mV
P-P
(Note 1)
2.85
97
150
3.63
mA
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DUT is powered on, 1GHz < f
DUT is powered on, 1GHz < f
2
Maxim Integrated
MAX3799
1Gbps to 14Gbps, SFP+ Multirate Limiting
Amplifier and VCSEL Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 2.85V to 3.63V, T
A
= -40°C to +85°C, CML receiver output load is AC-coupled to differential 100Ω, C
AZ
= 1nF, transmitter out-
put load is AC-coupled to differential 100Ω (see Figure 1), typical values are at +25°C, V
CC
= 3.3V, I
BIAS
= 6mA, I
MOD
= 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
Output Return Loss
CML Differential Output Voltage
High
CML Differential Output Voltage
Medium
CML Differential Output DAC
Limit
Differential Output Signal When
Disabled
Data Output Transition Time
(20% to 80%)
(Notes 2, 3, 4)
Rx TRANSFER CHARACTERISTICS
60mV
P-P
V
IN
400mV
P-P
at 10.32Gbps,
RATE_SEL = 1, V
DIFF_ROUT
= 400mV
P-P
Deterministic Jitter
(Notes 2, 3, 5)
DJ
10mV
P-P
V
IN
1200mV
P-P
at 8.5Gbps,
RATE _SEL = 1, V
DIFF_ROUT
= 400mV
P-P
5mV
P-P
V
IN
1200mV
P-P
at 1.25Gbps,
RATE _SEL = 0, V
DIFF_ROUT
= 800mV
P-P
Input = 60mV
P-P
at 1.25Gbps
,
RATE_SEL = 0, V
DIFF_ROUT
= 800mV
P-P
Input = 60mV
P-P
at 8.5Gbps
,
RATE _SEL = 1, V
DIFF_ROUT
= 400mV
P-P
C
AZ
= 0.1µF
C
AZ
= open
14
10 x log(V
DEASSERT
/V
ASSERT
) (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)
1.25
2.3
8
14
39
65
77
127
11
18
48
81
94
158
2.1
80
14
21
58
95
112
182
4
4
20
1.8
0.32
2
500
77
2.5
ps
RMS
0.48
kHz
12
12
ps
P-P
SYMBOL
SDD22
SCC22
CONDITIONS
DUT is powered on, f
DUT is powered on, f
5GHz
16GHz
5GHz
16GHz
595
300
MIN
TYP
11
5
9
7
800
400
1005
515
215
MAX
UNITS
dB
dB
mV
P-P
mV
P-P
DUT is powered on, 1GHz < f
DUT is powered on, 1GHz < f
5mV
P-P
10mV
P-P
V
IN
V
IN
1200mV
P-P
, SET_CML[162]
1200mV
P-P
, SET_CML[80]
SET_CML[7:0]
Outputs AC-coupled, V
INMAX
applied to
input V
DIFF_ROUT
= 800mV
P-P
at 8.5Gbps
(Notes 2, 3)
10mV
P-P
V
IN
1200mV
P-P
,
RATE_SEL = 1, V
DIFF_ROUT
= 400mV
P-P
5mV
P-P
V
IN
1200mV
P-P
,
RATE_SEL = 0, V
DIFF_ROUT
= 800mV
P-P
6
15
mV
P-P
26
60
35
ps
100
t
R
/t
F
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
Maxim Integrated
mV
P-P
dB
µs
mV
P-P
mV
P-P
mV
P-P
mV
P-P
mV
P-P
mV
P-P
3
MAX3799
1Gbps to 14Gbps, SFP+ Multirate Limiting
Amplifier and VCSEL Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 2.85V to 3.63V, T
A
= -40°C to +85°C, CML receiver output load is AC-coupled to differential 100Ω, C
AZ
= 1nF, transmitter out-
put load is AC-coupled to differential 100Ω (see Figure 1), typical values are at +25°C, V
CC
= 3.3V, I
BIAS
= 6mA, I
MOD
= 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
Tx INPUT SPECIFICATIONS
Differential Input Voltage
Common-Mode Input Voltage
Differential Input Resistance
Input Return Loss
Input Return Loss
Tx LASER MODULATOR
Maximum Modulation-On
Current into 100 Differential
Load
Minimum Modulation-On Current
into 100 Differential Load
Modulation Current DAC
Stability
Modulation Current Rise Time/
Fall Time
t
R
/t
F
I
MODMAX
Outputs AC-coupled, V
CCTO
2.95V
12
mA
V
IN
V
INCM
R
IN
SDD11
SCC11
DUT is powered on, f
DUT is powered on, f
5GHz
16GHz
5GHz
16GHz
75
Data rate = 1.0625Gbps
Data rate = 10.32Gbps
0.2
0.075
2.75
100
15
6
9
5
125
dB
dB
2.4
0.8
V
P-P
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DUT is powered on, 1GHz < f
DUT is powered on, 1GHz < f
I
MODMIN
Outputs AC-coupled
2mA
I
MOD
12mA (Note 8)
26
2
4
39
mA
%
ps
5mA I
MOD
10mA, 20% to 80%,
SET_TXDE[3:0] = 10 (Notes 2, 4)
5mA I
MOD
12mA, at 10.32Gbps,
250mV
P-P
V
IN
800mV
P-P
,
SET_TXDE[3:0] = 0
5mA I
MOD
12mA, at 10.32Gbps,
250mV
P-P
V
IN
800mV
P-P
,
SET_TXDE[3:0] = 10
6
12
6
13
Deterministic Jitter (Notes 2, 9)
DJ
5mA I
MOD
12mA, at 8.5Gbps,
250mV
P-P
V
IN
800mV
P-P
,
SET_TXDE[3:0] = 0
5mA I
MOD
12mA, at 8.5Gbps,
250mV
P-P
V
IN
800mV
P-P
,
SET_TXDE[3:0] = 10
2mA
2mA
I
MOD
I
MOD
12mA, at 4.25Gbps
12mA, at 1.0625Gbps
12mA, 250mV
P-P
5GHz
16GHz
15
V
IN
6
12
ps
6
5
5
0.17
12
5
12
Random Jitter
Output Return Loss
Tx BIAS GENERATOR
Maximum Bias-On Current
Minimum Bias-On Current
4
5mA I
MOD
800mV
P-P
SDD22
0.5
ps
RMS
dB
DUT is powered on, f
DUT is powered on, f
Current into BIAS pin
Current into BIAS pin
I
BIASMAX
I
BIASMIN
mA
2
mA
Maxim Integrated
MAX3799
1Gbps to 14Gbps, SFP+ Multirate Limiting
Amplifier and VCSEL Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 2.85V to 3.63V, T
A
= -40°C to +85°C, CML receiver output load is AC-coupled to differential 100Ω, C
AZ
= 1nF, transmitter out-
put load is AC-coupled to differential 100Ω (see Figure 1), typical values are at +25°C, V
CC
= 3.3V, I
BIAS
= 6mA, I
MOD
= 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.)
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