MAX3799 Maxim Integrated Products, MAX3799 Datasheet - Page 12

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

www.DataSheet4U.com
1Gbps to 14Gbps, SFP+ Multirate Limiting
Amplifier and VCSEL Driver
(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.)
12
DISABLE
OUTPUT
CC
FAULT
V
BIAS
______________________________________________________________________________________
= 3.3V, T
14
12
10
8
6
4
2
0
0
LOW
Typical Operating Characteristics—Limiting Amplifier (continued)
50
A
= +25°C, unless otherwise specified. Figure 1 shows the typical setup used for measurements. Registers are set to
RESPONSE TO FAULT
vs. DAC SETTING
100
BIAS CURRENT
SET_IBIAS[8:0]
-10
-20
-30
-40
-50
-60
1μs/div
0
150
100M
EXTERNALLY
FORCED FAULT
200
LOW
Tx INPUT RETURN LOSS
MAX3799 toc31
250
HIGH
1G
FREQUENCY (Hz)
300
DISABLE
DISABLE
OUTPUT
OUTPUT
FAULT
FAULT
10G
V
V
BIAS
CC
HIGH
LOW
LOW
100G
TRANSMITTER DISABLE
EXTERNAL
FAULT
FAULT RECOVERY
HIGH
100ns/div
4μs/div
HIGH
LOW
3.3V
LOW
-10
-15
-20
-25
-30
-35
-40
-45
MAX3799 toc29
MAX3799 toc32
-5
0
100M
Tx OUTPUT RETURN LOSS
DISABLE
DISABLE
OUTPUT
OUTPUT
FAULT
FAULT
V
V
BIAS
1G
CC
FREQUENCY (Hz)
FREQUENCY ASSERTION OF DISABLE
HIGH
LOW
HIGH
10G
TRANSMITTER ENABLE
EXTERNALLY
FORCED FAULT
HIGH
1μs/div
4μs/div
t
100G
ON
= 420ns
LOW
LOW
3.3V
LOW
MAX3799 toc30
MAX3799 toc33