Datasheet

(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.)
25
45
35
65
55
75
85
EQUALIZER RESIDUAL JITTER vs. CABLE
LENGTH (TENSOLITE TWIN-AX, 400mV
P-P
DIFFERENTIAL INPUT)
MAX3802 toc10
CABLE LENGTH (ft)
JITTER (ps
P-P
)
10 30 4020 50 60 70
3.2Gbps
2.5Gbps
622Mbps
40
50
70
60
80
90
25 4535 55 65
EQUALIZER RESIDUAL JITTER vs. CABLE
LENGTH (RG179B 75Ω COAXIAL, 300mV
P-P
SINGLE ENDED)
MAX3802 toc11
CABLE LENGTH (ft)
JITTER (ps
P-P
)
3.2Gbps
2.5Gbps
622Mbps
40
60
50
80
70
90
100
40 90
EQUALIZER RESIDUAL JITTER vs. LINE
LENGTH (FR-4 6mil STRIPLINE, 300mV
P-P
SINGLE ENDED)
MAX3802 toc12
LINE LENGTH (in)
JITTER (ps
P-P
)
6050 70 80
3.2Gbps
2.5Gbps
622Mbps
0
0.10
0.05
0.20
0.15
0.25
0.30
CIM VOLTAGE vs. CABLE LENGTH (TENSOLITE
TWIN-AX, 400mV
P-P
DIFFERENTIAL)
MAX3802 toc13
CABLE LENGTH (ft)
CIM VOLTAGE (V
CC
- V
CIM
) (V)
10 30 4020 50 60 70
EQUALIZER INPUT AFTER 115ft OF
CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)
MAX3802 toc14
48ps/div (3.2Gbps)
EQUALIZER OUTPUT EYE DIAGRAM AFTER
155ft OF 50Ω GORE-89 CABLE (400mV
P-P
)
MAX3802 toc15
60ps/div (2.5Gbps)
CABLE OUTPUT EYE DIAGRAM AFTER 70ft
OF TENSOLITE TWIN-AX CABLE (2
7
- 1 PRBS
NO EQUALIZATION)
MAX3802 toc16
60ps/div (2.5Gbps)
EQUALIZER OUTPUT EYE DIAGRAM AFTER 70ft
OF TENSOLITE TWIN-AX CABLE (2
7
- 1 PRBS)
MAX3802 toc17
48ps/div (3.2Gbps)
EQUALIZER OUTPUT EYE DIAGRAM AFTER 72ft
OF 75Ω RG179 CABLE
(300mV
P-P
SINGLE ENDED, 2
23
- 1 PRBS)
MAX3802 toc18
MAX3802 3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
Maxim Integrated │ 5
www.maximintegrated.com
Typical Operating Characteristics (continued)