MAX3798ETJ+ Maxim Integrated Products, MAX3798ETJ+ Datasheet - Page 12

• Manufacturer Part Number: MAX3798ETJ+
• Description: IC LIMITING AMP/VCSEL DVR 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX3798ETJ+

• Amplifier Type: Limiting
• Number Of Circuits: 1
• Output Type: Differential
• Current - Supply: 97mA
• Voltage - Supply, Single/dual (±): 2.85 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Operating Temperature Range: + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• -3db Bandwidth: -
• Slew Rate: -
• Gain Bandwidth Product: -
• Current - Input Bias: -
• Voltage - Input Offset: -
• Lead Free Status / Rohs Status: Details

1.0625Gbps to 10.32Gbps, Integrated, Low-
Power SFP+ Limiting Amplifier and VCSEL Driver
(V
default values unless otherwise noted, and the 3-wire interface is static during measurements. For testing, the MODE_SEL bit was
used and the MSEL pin was left open.)
12
DISABLE
DISABLE
OUTPUT
OUTPUT
CC
FAULT
FAULT
V
V
BIAS
CC
______________________________________________________________________________________
= 3.3V, T
14
12
10
8
6
4
2
0
0
FREQUENCY ASSERTION OF DISABLE
HIGH
LOW
R
LOAD
HIGH
50
A
MODULATION CURRENT
= 50Ω
TRANSMITTER ENABLE
= +25°C, unless otherwise specified. Figure 1 shows the typical setup used for measurements. Registers are set to
EXTERNALLY
FORCED FAULT
vs. DAC SETTING
R
100
LOAD
SET_IMOD[8:0]
HIGH
Typical Operating Characteristics—VCSEL Driver (continued)
1μs/div
4μs/div
= 75Ω
R
150
LOAD
t
ON
= 420ns
= 100Ω
200
LOW
LOW
3.3V
MAX3798 toc29
MAX3798 toc32
LOW
250
300
DISABLE
OUTPUT
FAULT
V
BIAS
-10
-20
-30
-40
-50
-60
14
12
10
0
8
6
4
2
0
100M
0
LOW
50
Tx INPUT RETURN LOSS
RESPONSE TO FAULT
vs. DAC SETTING
100
1G
BIAS CURRENT
FREQUENCY (Hz)
SET_IBIAS[8:0]
1μs/div
150
EXTERNALLY
FORCED FAULT
10G
200
LOW
250
MAX3798 toc30
HIGH
100G
300
DISABLE
DISABLE
OUTPUT
OUTPUT
FAULT
FAULT
V
V
BIAS
CC
-10
-15
-20
-25
-30
-35
-40
-45
-5
0
100M
HIGH
LOW
LOW
Tx OUTPUT RETURN LOSS
TRANSMITTER DISABLE
EXTERNAL
FAULT
FAULT RECOVERY
1G
FREQUENCY (Hz)
HIGH
100ns/div
4μs/div
HIGH
10G
LOW
3.3V
LOW
MAX3798 toc28
MAX3798 toc31
100G