MAX9257 Maxim, MAX9257 Datasheet - Page 9

• Manufacturer Part Number: MAX9257
• Description: The MAX9257 serializer pairs with the MAX9258 deserializer to form a complete digital video serial link
• Manufacturer: Maxim

(V
CC_
120
100
-10
-20
-30
-40
-50
-60
-70
-80
20
10
80
60
40
20
0
0
= +3.3V, R
18
5
4% SPREAD
10kHz BW
PRBS PATTERN
10-BIT
SPECTRUM vs. PCLK FREQUENCY
10
MAX9258 SUPPLY CURRENT
MAX9257 OUTPUT POWER
4% SPREAD
Fully Programmable Serializer/Deserializer
19
15
PCLK FREQUENCY (MHz)
PCLK FREQUENCY (MHz)
L
vs. FREQUENCY
= 50Ω, C
20
_______________________________________________________________________________________
900
800
700
600
500
400
20
25
0
30
L
NO SPREAD
STP CABLE
BER CAN BE AS LOW AS 10
CABLE LENGTHS LESS THAN 10m.
NO SPREAD
NO SPREAD
= 8pF, T
2
2% SPREAD
21
BIT ERROR RATE (< 10
35
4
40
100% PREEMPHASIS
6
CABLE LENGTH (m)
CABLE LENGTH
A
NO PREEMPHASIS
22
45
= +25°C, unless otherwise noted.)
8
10 12 14 16 18 20
PREEMPHASIS (BIT RATE = 840MHz, 2m STP CABLE)
-12
with UART/I
-20
-40
-60
-80
20
Typical Operating Characteristics (continued)
0
FOR
SERIAL LINK SWITCHING PATTERN WITHOUT
38
-9
) vs.
10kHz BW
SPECTRUM vs. PCLK FREQUENCY
1.5% SPREAD
MAX9257 OUTPUT POWER
40
PCLK FREQUENCY (MHz)
42
900
800
700
600
500
400
NO SPREAD
0
2% SPREAD
44
2% SPREAD ON
MAX9257, STP CABLE
BER CAN BE AS LOW AS 10
CABLE LENGTHS LESS THAN 10m.
100% PREEMPHASIS
2
BIT ERROR RATE (< 10
NO PREEMPHASIS
2
4
C Control Channel
46
6
CABLE LENGTH (m)
CABLE LENGTH
8
10 12 14 16 18 20
PREEMPHASIS (BIT RATE = 840MHz, 2m STP CABLE)
-12
-20
-40
-60
-80
20
0
FOR
SERIAL LINK SWITCHING PATTERN WITH
38
-9
10kHz BW
) vs.
4% SPREAD
SPECTRUM vs. PCLK FREQUENCY
MAX9258 OUTPUT POWER
(PREEMPHASIS = 100%)
40
PCLK FREQUENCY (MHz)
42
NO SPREAD
2% SPREAD
44
46
9