Datasheet
11Maxim Integrated
Gigabit Multimedia Serial Link with Spread
Spectrum and Full-Duplex Control Channel
MAX9259/MAX9260
Typical Operating Characteristics (continued)
(V
DVDD
= V
AVDD
= V
IOVDD
= 1.8V (MAX9259), V
DVDD
= V
AVDD
= V
IOVDD
= 3.3V (MAX9260), T
A
= +25NC, unless otherwise noted.)
MAXIMUM PCLKIN FREQUENCY vs.
STP CABLE LENGTH (BER < 10
-9
)
CABLE LENGTH (m)
FREQUENCY (MHz)
15105
20
40
60
80
100
120
0
02
0
MAX9259/60 toc12
OPTIMUM PE/EQ
SETTINGS
BER CAN BE < 10
-12
FOR
CABLE LENGTHS LESS THAN 10m
NO PE, EQS = LOW
NO PE, EQS = HIGH
OUTPUT POWER SPECTRUM
vs. PCLKOUT FREQUENCY
(MAX9260 SPREAD ON, MAX9259 SPREAD OFF)
PCLKOUT FREQUENCY (MHz)
PCLKOUT OUTPUT POWER (dBm)
444340 41 42
-70
-60
-50
-40
-30
-20
-10
0
-80
39 45
MAX9259/60 toc11
0% SPREAD
4% SPREAD
2% SPREAD
f
PCLKOUT
= 42MHz
OUTPUT POWER SPECTRUM
vs. PCLKOUT FREQUENCY
(MAX9259 SPREAD ON, MAX9260 SPREAD OFF)
PCLKOUT FREQUENCY (MHz)
PCLKOUT OUTPUT POWER (dBm)
444340 41 42
-70
-60
-50
-40
-30
-20
-10
0
-80
39 45
MAX9259/60 toc10
0% SPREAD
0.5% SPREAD
4% SPREAD
2% SPREAD
f
PCLKOUT
= 42MHz
OUTPUT POWER SPECTRUM
vs. PCLKOUT FREQUENCY
(MAX9259 SPREAD ON, MAX9260 SPREAD OFF)
PCLKOUT FREQUENCY (MHz)
PCLKOUT OUTPUT POWER (dBm)
21.020.519.0 19.5 20.0
-70
-60
-50
-40
-30
-20
-10
0
-80
18.5 21.5
MAX9259/60 toc09
0% SPREAD 0.5% SPREAD
4% SPREAD2% SPREAD
f
PCLKOUT
= 20MHz
SERIAL LINK SWITCHING PATTERN
WITH 14dB PREEMPHASIS
(PARALLEL BIT RATE = 104MHz, 10m STP CABLE)
MAX9259/60 toc08
250.0mV
-250.0mV 52.00ps/div
3.12Gbps
SERIAL LINK SWITCHING PATTERN
WITHOUT PREEMPHASIS
(PARALLEL BIT RATE = 104MHz, 10m STP CABLE)
MAX9259/60 toc07
400.0mV 3.12Gbps
-400.0mV 52.00ps/div
MAX9260 SUPPLY CURRENT
vs. PCLKOUT FREQUENCY (32-BIT MODE)
PCLKOUT FREQUENCY (MHz)
SUPPLY CURRENT (mA)
655020 35
110
120
130
140
160
150
170
180
100
58
0
MAX9259/60 toc06
2%, 4% SPREAD
NO SPREAD
MAX9260 SUPPLY CURRENT
vs. PCLKOUT FREQUENCY (24-BIT MODE)
PCLKOUT FREQUENCY (MHz)
SUPPLY CURRENT (mA)
856525 45
110
120
130
140
160
150
170
180
100
5 105
MAX9259/60 toc05
2%, 4% SPREAD
NO SPREAD
MAX9260 SUPPLY CURRENT
vs. PCLKOUT FREQUENCY (32-BIT MODE)
PCLKOUT FREQUENCY (MHz)
SUPPLY CURRENT (mA)
65503520
110
115
120
125
130
135
140
145
150
155
105
58
0
MAX9259/60 toc04
ALL EQUALIZER SETTINGS