MAX3798ETJ+ Maxim Integrated Products, MAX3798ETJ+ Datasheet - Page 10

• 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

100mV/div
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.)
10
CC
-12
-13
-14
-15
-16
-17
-18
______________________________________________________________________________________
= 3.3V, T
2
USING FINISAR ROSA
OUTPUT EYE DIAGRAM AT 4.25Gbps
SENSITIVITY vs. DATA RATE
Typical Operating Characteristics—Limiting Amplifier (continued)
MODE_SEL = 1
4
A
= +25°C, unless otherwise specified. Figure 1 shows the typical setup used for measurements. Registers are set to
DATA RATE (Gbps)
MODE_SEL = 0, SLEW_RATE = 0
6
50ps/div
MODE_SEL = 0
8
10
MAX3798 toc10
12
1400
1200
1000
800
600
400
200
-10
-20
-30
-40
-50
-60
50
45
40
35
30
25
20
15
10
5
0
0
0
100M
TRANSITION TIME vs. INPUT AMPLITUDE
0
0
MODE_SEL = 0, SLEW_RATE = 0, RXDE_EN = 0
MODE_SEL = 0, SLEW_RATE = 0, RXDE_EN = 1
MODE_SEL = X, SLEW_RATE = 1, RXDE_EN = 0
MODE_SEL = X, SLEW_RATE = 1, RXDE_EN = 1
200
50
CML OUTPUT AMPLITUDE
Rx INPUT RETURN LOSS
INPUT AMPLITUDE (mV
vs. DAC SETTING
400
100
1G
FREQUENCY (Hz)
SET_CML[7:0]
600
150
PATTERN = 00001111,
DATA RATE = 8.5Gbps,
20% TO 80%
10G
800
200
P-P
)
1000
250
100G
1200
300
180
160
140
120
100
-10
-15
-20
-25
-30
-35
-40
-45
-50
80
60
40
20
-5
0
0
100M
0
LOS THRESHOLD vs. DAC SETTING
7
Rx OUTPUT RETURN LOSS
14
DEASSERT
1G
21
FREQUENCY (Hz)
SET_LOS[5:0]
28
35
10G
ASSERT
42
49
56
100G
63