C control channel, Typical operating characteristics (continued) – Rainbow Electronics MAX9258 User Manual
Page 9
MAX9257/MAX9258
_______________________________________________________________________________________
9
MAX9258 SUPPLY CURRENT
vs. FREQUENCY
MAX9257/58 toc04
PCLK FREQUENCY (MHz)
SUPPLY CURRENT (mA)
40
10
35
15
40
20
60
80
100
120
0
5
45
25
20
30
PRBS PATTERN
10-BIT
4% SPREAD
NO SPREAD
SERIAL LINK SWITCHING PATTERN WITHOUT
PREEMPHASIS (BIT RATE = 840MHz, 2m STP CABLE)
MAX9257/58 toc05
MAX9257/58 toc06
SERIAL LINK SWITCHING PATTERN WITH
PREEMPHASIS (BIT RATE = 840MHz, 2m STP CABLE)
(PREEMPHASIS = 100%)
MAX9257 OUTPUT POWER
SPECTRUM vs. PCLK FREQUENCY
MAX9257/58 toc07
PCLK FREQUENCY (MHz)
OUTPUT POWER SPECTRUM (dBm)
21
19
-20
-30
-10
0
-60
-70
-50
-40
10
20
-80
18
22
20
10kHz BW
4% SPREAD
2% SPREAD
NO SPREAD
MAX9257 OUTPUT POWER
SPECTRUM vs. PCLK FREQUENCY
MAX9257/58 toc08
PCLK FREQUENCY (MHz)
OUTPUT POWER SPECTRUM (dBm)
44
40
-20
0
-60
-40
20
-80
38
46
42
10kHz BW
1.5% SPREAD
2% SPREAD
NO SPREAD
MAX9258 OUTPUT POWER
SPECTRUM vs. PCLK FREQUENCY
MAX9257/58 toc09
PCLK FREQUENCY (MHz)
OUTPUT POWER SPECTRUM (dBm)
44
40
-20
0
-60
-40
20
-80
38
46
42
10kHz BW
4% SPREAD
2% SPREAD
NO SPREAD
BIT ERROR RATE (< 10
-9
) vs.
CABLE LENGTH
MAX9257/58 toc10
CABLE LENGTH (m)
SERIAL-DATA RATE (Mbps)
700
800
500
600
900
400
0
8
6
2
4
10 12 14 16 18 20
BER CAN BE AS LOW AS 10
-12
FOR
CABLE LENGTHS LESS THAN 10m.
NO SPREAD
STP CABLE
NO PREEMPHASIS
100% PREEMPHASIS
BIT ERROR RATE (< 10
-9
) vs.
CABLE LENGTH
MAX9257/58 toc11
CABLE LENGTH (m)
SERIAL-DATA RATE (Mbps)
700
800
500
600
900
400
0
8
6
2
4
10 12 14 16 18 20
BER CAN BE AS LOW AS 10
-12
FOR
CABLE LENGTHS LESS THAN 10m.
2% SPREAD ON
MAX9257, STP CABLE
NO PREEMPHASIS
100% PREEMPHASIS
Typical Operating Characteristics (continued)
(V
CC_
= +3.3V, R
L
= 50Ω, C
L
= 8pF, T
A
= +25°C, unless otherwise noted.)
Fully Programmable Serializer/Deserializer
with UART/I
2
C Control Channel