MAX3799 Maxim Integrated Products, MAX3799 Datasheet - Page 9

• Manufacturer Part Number: MAX3799
• Description: SFP+ Multirate Limiting Amplifier And VCSEL Driver
• Manufacturer: Maxim Integrated Products

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50mV/div
(V
default values unless otherwise noted, and the 3-wire interface is static during measurements. For testing, the RATE_SEL bit was
used and the RSEL pin was left open.)
CC
370
360
350
340
330
320
310
300
10
= 3.3V, T
9
8
7
6
5
4
3
2
0
0
PATTERN = k28.5
OUTPUT EYE DIAGRAM AT 4.25Gbps
200
2
A
DETERMINISTIC JITTER
vs. INPUT AMPLITUDE
INPUT AMPLITUDE (mV
1Gbps to 14Gbps, SFP+ Multirate Limiting
= +25°C, unless otherwise specified. Figure 1 shows the typical setup used for measurements. Registers are set to
4
RANDOM JITTER
400
vs. DATA RATE
DATA RATE (Gbps)
RATE_SEL = 1
RATE_SEL = 1
_______________________________________________________________________________________
6
50ps/div
600
8
800
10
P-P
RATE_SEL = 1
)
1000
MAX3799 toc07
Typical Operating Characteristics—Limiting Amplifier
12
1200
14
50mV/div
1.0E-01
1.0E-02
1.0E-03
1.0E-04
1.0E-05
1.0E-06
1.0E-07
1.0E-08
1.0E-09
1.0E-10
1.0E-11
1.0E-12
1.0E-13
25
23
21
19
17
15
13
11
9
7
5
3
0.5
0
PATTERN = k28.5, RATE_SEL = 0
OUTPUT EYE DIAGRAM AT 8.5Gbps
RATE_SEL = 0
INPUT AMPLITUDE AT 1.25Gbps
Amplifier and VCSEL Driver
200
DETERMINISTIC JITTER vs.
BER vs. INPUT AMPLITUDE
1.0
INPUT AMPLITUDE (mV
INPUT AMPLITUDE (mV
400
1.5
20ps/div
600
2.0
RATE_SEL = 1
800
P-P
P-P
)
)
2.5
1000
MAX3799 toc08
1200
3.0
150mV/div
50mV/div
7
6
5
4
3
2
1
0
OUTPUT EYE DIAGRAM AT 10.32Gbps
PATTERN = PRBS, RATE_SEL = 1
OUTPUT EYE DIAGRAM AT 1.25Gbps
AT 10.32Gbps
200
DETERMINISTIC JITTER
AT 8.5Gbps
vs. INPUT AMPLITUDE
INPUT AMPLITUDE (mV
400
200ps/div
20ps/div
600
800
P-P
RATE_SEL = 0
)
1000
MAX3799 toc09
MAX3799 toc06
1200
9