Datasheet

27-Bit, 2.5MHz to 42MHz
DC-Balanced LVDS Deserializers
6 Maxim Integrated
MAX9248/MAX9250
WORST-CASE PATTERN SUPPLY CURRENT
vs. FREQUENCY
MAX9248/50 toc01
FREQUENCY (MHz)
SUPPLY CURRENT (mA)
3530510152025
10
20
30
40
50
60
70
0
04045
MAX9248
MAX9250
OUTPUT TRANSITION TIME
vs. OUTPUT SUPPLY VOLTAGE (V
CCO
)
MAX9248/50 toc02
OUTPUT SUPPLY VOLTAGE (V)
OUTPUT TRANSITION TIME (ns)
3.02.72.42.1
1
2
3
4
5
6
0
1.8 3.3
RNG1 = HIGH
t
R
t
F
OUTPUT TRANSITION TIME
vs. OUTPUT SUPPLY VOLTAGE (V
CCO
)
MAX9248/50 toc03
OUTPUT SUPPLY VOLTAGE (V)
OUTPUT TRANSITION TIME (ns)
3.02.72.42.1
4
5
6
1
2
3
7
8
9
10
0
1.8 3.3
RNG1 = LOW
t
R
t
F
OUTPUT POWER SPECTRUM vs. FREQUENCY
(REFCLK = 42MHz, NO SPREAD,
4%, AND 2% SPREAD)
MAX9248/50 toc04
FREQUENCY (MHz)
POWER SPECTRUM (dBm)
43 44424140
-30
-20
-10
-60
-50
-40
0
-70
39 45
NO SPREAD
RESOLUTION BW = 30kHz
VIDEO BW = 100kHz
2% SPREAD
4% SPREAD
BIT-ERROR RATE vs. CABLE LENGTH
MAX9248/50 toc05
CAT5 CABLE LENGTH (m)
BIT-ERROR RATE
810642
1.00E-14
1.00E-13
1.00E-12
1.00E-11
1.00E-10
012
REFCLK = 42MHz
840Mbps DATA RATE
FOR CABLE LENGTH < 10m
BER < 10
-12
CAT5 CABLE
CABLE LENGTH vs. FREQUENCY
BIT-ERROR RATE < 10
-9
MAX9248/50 toc06
CABLE LENGTH (m)
FREQUENCY (MHz)
25
30
10
15
20
35
40
45
5
18161412108642020
Typical Operating Characteristics
(V
CC
_ = +3.3V, C
L
= 8pF, T
A
= +25°C, unless otherwise noted.)