Operating Ambient Temperature Range .................0°C to +85°C
Storage Ambient Temperature Range .............. -55°C to +150°C
Lead Temperature (soldering, 10s) ................................. +300°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.
DC Electrical Characteristics
(V
CC
= 3.14V to 3.46V, T
A
= 0°C to +85°C. Typical values are at V
CC
= 3.3V and T
A
= +25°C, unless otherwise noted.)
PARAMETER
Supply Current
Input Voltage
(Single Ended)
Input Voltage (Differential)
Input Impedance
Output Voltage (Differential)
Output Impedance
CABLE EQUALIZER INPUT SPECIFICATIONS
Minimum Cable Input (Differential)
Maximum Cable Input (Differential)
Input Impedance
CABLE EQUALIZER OUTPUT SPECIFICATIONS
Output Voltage (Differential)
Output Impedance
Voltage at
LOS_
(Note 2)
Single ended
Output high (Note 4)
Output low (Note 4)
500
50
2.4
0.4
62.5
1000
75
mV
P-P
Ω
V
40
3.2Gbps, 30dB cable loss (Note 3)
600
50
60
400
mV
P-P
mV
P-P
Ω
SYMBOL
I
CC
CONDITIONS
Includes external load current (Note 1)
V
CC
-
0.6
400
Single ended
RMOD_ = 10kΩ (Note 2)
RMOD_ = 20kΩ (Note 2)
Single ended
40
750
400
50
50
825
445
62.5
MIN
TYP
220
MAX
345
V
CC
+
0.2
1100
60
1000
550
75
UNITS
mA
V
mV
P-P
Ω
CABLE DRIVER INPUT SPECIFICATIONS
V
DIN_
+,
V
DIN_
-
V
DIN_
CABLE DRIVER OUTPUT SPECIFICATIONS
mV
P-P
Ω
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Maxim Integrated
│
2
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
AC Electrical Characteristics
(V
CC
= 3.14V to 3.46V, T
A
= 0°C to +85°C. Typical values are at V
CC
= 3.3V and T
A
= +25°C, unless otherwise noted.)
PARAMETER
Maximum Input Data Rate
CABLE DRIVER SPECIFICATIONS
Random Jitter
Deterministic Jitter
Output Edge Speed
Input Return Loss
(Differential)
Output Return Loss
(Differential)
EQUALIZER SPECIFICATIONS
Residual Jitter
(Notes 7, 9)
Output Edge Speed
Input Return Loss
(Differential)
Output Return Loss
(Differential)
Equalizer Compensation
Equalizer Time Constant
Note
Note
Note
Note
Note
Note
Note
Note
Note
Note
1:
2:
3:
4:
0dB cable loss (Note 8)
24dB cable loss (Note 8)
30dB cable loss (Note 8)
20% to 80%
≤ 2.5GHz
≤ 2.5GHz
1.6GHz (skin-effect losses only)
(Note 10)
30
6
0.10
0.11
0.08
60
-16
-14
0.24
0.20
0.20
90
UI
P-P
ps
dB
dB
dB
µs
3.2Gbps input
(Notes 6, 9)
20% to 80%
≤ 2.5GHz
≤ 2.5GHz
2.7
20
60
-20
-13
4
60
90
mUI
RMS
mUI
P-P
ps
dB
dB
SYMBOL
CONDITIONS
MIN
3.2
TYP
MAX
UNITS
Gbps
Equalizer total currents (equalizer with maximum equalization) and R
MOD
= 10kΩ (maximum driver swing).
Input voltage within specification limits, 50Ω to V
CC
at each output.
Minimum cable input for
LOS_
to deassert high.
100kΩ load to ground. The minimum input signal level that turns off the
LOS_
alarm depends on the data rate and cable
length.
5:
AC electrical characteristics are guaranteed by design and characterization.
6:
V
DIN_
= 400mV
P-P
to 1100mV
P-P
(differential), 10kΩ ≤ R
MOD_
≤ 20kΩ, 3.2Gbps 2
13
-1 PRBS plus 100 consecutive ones
and 100 consecutive zeros.
7:
Includes random jitter and deterministic jitter for BER of 10
-12
.
8:
Differential cable input voltage = 400mV
P-P
, 3.2Gbps 2
13
-1 PRBS plus 100 consecutive ones and 100 consecutive zeros.
9:
Isolation test: three channels driven with identical 3.2Gbps PRBS with maximum input signal to each equalizer and maxi-
mum input signal on driver. The measured channel meets the residual and random jitter specifications with an uncorre-
lated 3.2Gbps PRBS data at minimum input signal level on equalizer and maximum signal level on driver.
10:
Equalizer time constant measured from data on to closed-loop operation.
www.maximintegrated.com
Maxim Integrated
│
3
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, all jitter measurements done at 3.2Gbps, 600mV cable input with 213 - 1 PRBS pattern with 100 consecutive
ones and 100 consecutive zeros substituted.
Note:
Test pattern produces near-worst-case jitter results. Results vary with pattern, un-
less otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
MAX3802 toc01
DRIVER OUTPUT VOLTAGE (mV)
SUPPLY CURRENT (mA)
270
240
210
180
150
RMOD = 15kΩ
ALL CHANNELS AT
MAX EQUALIZATION
MAX3802 toc02
1200
1100
1000
900
800
700
600
500
40
30
20
GAIN (dB)
10
0
-10
-20
-30
-40
-50
-10
10
30
50
70
90
400
4
7
10
13
R
MOD
(kΩ)
16
19
22
0
0.8
1.6
2.4
3.2
4.0
TEMPERATURE (°C)
FREQUENCY (GHz)
MAX3802 toc04
MAX3802 toc05
40
30
20
GAIN (dB)
10
0
-10
-20
-30
-40
-50
0
0.8
1.6
2.4
3.2
40
30
20
GAIN (dB)
0
-10
-20
-30
-40
-50
10
40
30
20
GAIN (dB)
10
0
-10
-20
-30
-40
-50
4.0
0
0.8
1.6
2.4
3.2
4.0
0
0.8
1.6
2.4
3.2
4.0
FREQUENCY (GHz)
FREQUENCY (GHz)
FREQUENCY (GHz)
EQUALIZER RESIDUAL JITTER vs. POWER-SUPPLY
NOISE (100mV
P-P
SINE WAVE) (40ft OF TENSOLITE
TWIN-AX, 400mV
P-P
DIFFERENTIAL INPUT)
MAX3802 toc07
EQUALIZER RESIDUAL JITTER vs. CABLE
INPUT AMPLITUDE (RG179B 75Ω COAXIAL
CABLE, SINGLE ENDED)
115
105
JITTER (ps
P-P
)
95
85
75
65
55
72ft
25ft
MAX3802 toc08
EQUALIZER RESIDUAL JITTER vs. CABLE
INPUT AMPLITUDE (TENSOLITE
TWIN-AX–DIFFERENTIAL)
95
85
JITTER (ps
P-P
)
75
65
55
45
70ft
MAX3802 toc09
95
85
JITTER (ps
P-P
)
75
65
55
45
0.001
125
105
10ft
40ft
0.01
0.1
1
10
100
45
150
300
450
600
750
900
35
300
450
600
750
900
1050
1200
NOISE FREQUENCY (MHz)
CABLE INPUT AMPLITUDE (mV
P-P
)
CABLE DIFFERENTIAL INPUT AMPLITUDE (mV
P-P
)
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Maxim Integrated
│
4
MAX3802 toc06
50
DRIVER OUTPUT RETURN LOSS (S22)
50
EQUALIZER INPUT RETURN LOSS (S11)
50
EQUALIZER OUTPUT RETURN LOSS (S22)
MAX3802 toc03
300
1300
CABLE DRIVER OUTPUT vs. R
MOD
50
DRIVER INPUT RETURN LOSS (S11)
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
Typical Operating Characteristics (continued)
(V
CC
= 3.3V, T
A
= +25°C, all jitter measurements done at 3.2Gbps, 600mV cable input with 213 - 1 PRBS pattern with 100 consecutive
ones and 100 consecutive zeros substituted.
Note:
Test pattern produces near-worst-case jitter results. Results vary with pattern, un-
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Test/Measurement
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