Datasheet

MAX9247
27-Bit, 2.5MHz-to-42MHz
DC-Balanced LVDS Serializer
_______________________________________________________________________________________ 5
WORST-CASE PATTERN
SUPPLY CURRENT vs. FREQUENCY
MAX9247 toc01
FREQUENCY (MHz)
SUPPLY CURRENT (mA)
40302010
10
20
30
40
50
60
70
0
0
WITH PREEMPHASIS
WITHOUT PREEMPHASIS
EYE DIAGRAM WITH PREEMPHASIS
MAX9247 toc03
100mV/div
200ps/div
f
REFCLK
= 42MHz
2 METER CAT5 CABLE
GND
100Ω TERMINATION
PRE = HIGH
EYE DIAGRAM WITHOUT PREEMPHASIS
MAX9247 toc02
100mV/div
200ps/div
f
REFCLK
= 42MHz
2 METER CAT5 CABLE
GND
100Ω TERMINATION
PRE = LOW
BIT-ERROR RATE vs. CABLE LENGTH
MAX9247 toc04
CAT5 CABLE LENGTH (m)
BIT-ERROR RATE
81012642
1.00E-11
1.00E-12
1.00E-13
1.00E-14
1.00E-10
0
CAT5 CABLE
f
REFCLK
= 42MHz
840Mbps DATA RATE
FOR CABLE LENGTH < 10m
BER < 10
-12
CABLE LENGTH
vs. FREQUENCY BIT-ERROR RATE < 10
-9
MAX9247 toc05
CABLE LENGTH (m)
FREQUENCY (MHz)
15
25
35
45
5
20
30
40
10
18161412108642020
Typical Operating Characteristics
(V
CC_
= +3.3V, R
L
= 100Ω, T
A
= +25°C, unless otherwise noted.)