MAX3740AETG+T Maxim Integrated Products, MAX3740AETG+T Datasheet - Page 7

• Manufacturer Part Number: MAX3740AETG+T
• Description: IC DRIVER SFP VCSEL 24-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driverr

Specifications of MAX3740AETG+T

• Data Rate: 3.2Gbps
• Number Of Channels: 1
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 55mA
• Current - Modulation: 15mA
• Current - Bias: 15mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Supply Voltage (max): 6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Current: 55 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TX_DISABLE
(V
noted.)
OUTPUT
CC
FAULT
LASER
V
CC
= +3.3V, R
LOW
OV
LOW
HOT PLUG WITH TX_DISABLE LOW
TX_DISABLE
TX_DISABLE
V
3.2Gbps SFP VCSEL Driver with Diagnostic
OUTPUT
OUTPUT
PWRMON
FAULT
LASER
FAULT
LASER
TC
V
CC
= 0Ω, PEAKSET open, measured electrically with a 50Ω load AC-coupled to OUT+, T
_______________________________________________________________________________________
t_INIT = 60ms
20ms/div
HIGH
LOW
LOW
LOW
TRANSMITTER DISABLE
FAULT RECOVERY TIME
3.3V
EXTERNAL
FAULT
REMOVED
MAX3740A toc19
40μs/div
1μs/div
t_OFF = 1.86μs
HIGH
3.3V
t_INIT = 54μs
TX_DISABLE
LOW
HIGH
LOW
OUTPUT
MAX3740A toc22
MAX3740A toc24
FAULT
LASER
Typical Operating Characteristics (continued)
V
CC
STARTUP WITH SLOW RAMPING SUPPLY
OV
LOW
LOW
20ms/div
t_INIT = 62ms
3.3V
TX_DISABLE
TX_DISABLE
V
V
OUTPUT
OUTPUT
PWRMON
PWRMON
MAX3740A toc20
FAULT
LASER
FAULT
LASER
FREQUENT ASSERTION OF TX_DISABLE
EXTERNALLY
FORCED
FAULT
LOW
LOW
TX_DISABLE
EXTERNALLY
FORCED FAULT
OUTPUT
RESPONSE TO FAULT
FAULT
LASER
t_FAULT = 245ns
V
CC
200μs/div
200ns/div
HIGH
LOW
TX_DISABLE NEGATE TIME
A
= +25°C, unless otherwise
t_ON = 54μs
Monitors
HIGH
MAX3740A toc23
MAX3740A toc25
20μs/div
3.3V
LOW
MAX3740A toc21
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