MAX3946ETG+T Maxim Integrated Products, MAX3946ETG+T Datasheet - Page 9

• Manufacturer Part Number: MAX3946ETG+T
• Description: IC LASER DVR SFP 11.3GBPS 24TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driverr

Specifications of MAX3946ETG+T

• Data Rate: 11.3Gbps
• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.63 V
• Current - Supply: 68mA
• Current - Modulation: 80mA
• Current - Bias: 80mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 12-WFQFN, Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
DISABLE
OUTPUT
CC
FAULT
V
CC
= +3.3V, T
1.0625Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
LOW
LOW
TRANSMITTER DISABLE
A
= +25°C, data pattern = 2
DISABLE
OUTPUT
_______________________________________________________________________________________
FAULT
V
BIAS
100ns/div
HIGH
EXTERNAL FAULT
REMOVED
FAULT RECOVERY
MAX3946 toc18
3.3V
HIGH
4µs/div
7
- 1 PRBS + 72 zeros + 2
DISABLE
OUTPUT
FAULT
Typical Operating Characteristics (continued)
V
LOW
LOW
CC
MAX3946 toc21
HIGH
TRANSMITTER ENABLE
1µs/div
7
LOW
LOW
t_
- 1 PRBS (inverted) +72 ones, unless otherwise noted.)
ON
DISABLE
OUTPUT
FAULT
= 600ns
3.3V
V
BIAS
MAX3946 toc19
FREQUENT ASSERTION OF DISABLE
EXTERNAL FAULT
DISABLE
OUTPUT
LOW
HIGH
FAULT
V
BIAS
4µs/div
HIGH
LOW
RESPONSE TO FAULT
MAX3946 toc22
1µs/div
LOW
EXTERNAL FAULT
HIGH
MAX3946 toc20
9