MAX3795ETG Maxim Integrated Products, MAX3795ETG Datasheet - Page 7

• Manufacturer Part Number: MAX3795ETG
• Description: Laser Driver 1Gbps to 4.25Gbps Mu ltirate VCSEL Driver
• Manufacturer: Maxim Integrated Products
• Type: Transmitterr

Specifications of MAX3795ETG

• Operating Supply Voltage: 3.3 V
• Package / Case: TQFN-24 EP
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

TX_DISABLE
(V
noted.)
OUTPUT
FAULT
LASER
CC
300
275
250
225
200
175
150
125
100
V
CC
= +3.3V, R
-40
LOW
HIGH
MONITOR DIODE CURRENT
TX_DISABLE NEGATE TIME
-15
1Gbps to 4.25Gbps Multirate VCSEL Driver
vs. TEMPERATURE
TC
t_ON = 131µs
TEMPERATURE (°C)
= 0Ω, PEAKSET open, measured electrically with a 50Ω load AC-coupled to OUT+, T
10
TX_DISABLE
40µs/div
_______________________________________________________________________________________
V
OUTPUT
PWRMON
FAULT
LASER
35
3.3V
HIGH
LOW
LOW
60
MAX3795 toc21
FAULT RECOVERY TIME
85
EXTERNAL
FAULT
REMOVED
40µs/div
TX_DISABLE
TX_DISABLE
OUTPUT
OUTPUT
FAULT
LASER
FAULT
LASER
Typical Operating Characteristics (continued)
V
V
HIGH
CC
CC
t_INIT = 54µs
LOW
LOW
LOW
0V
LOW
LOW
HOT PLUG WITH TX_DISABLE LOW
LOW
MAX3795 toc24
TRANSMITTER DISABLE
with Diagnostic Monitors
t_INIT = 60ms
20ms/div
TX_DISABLE
1µs/div
t_OFF = 2.2µs
V
OUTPUT
PWRMON
FAULT
LASER
3.3V
3.3V
FREQUENT ASSERTION OF TX_DISABLE
HIGH
MAX3795 toc19
MAX3795 toc22
EXTERNALLY
FORCED FAULT
TX_DISABLE
TX_DISABLE
200µs/div
V
OUTPUT
OUTPUT
PWRMON
FAULT
LASER
FAULT
LASER
V
CC
STARTUP WITH SLOW RAMPING SUPPLY
EXTERNALLY
FORCED
FAULT
LOW
LOW
0V
LOW
LOW
MAX3795 toc25
A
RESPONSE TO FAULT
= +25°C, unless otherwise
t_FAULT = 2.16µs
20ms/div
4µs/div
t_INIT = 62ms
3.3V
HIGH
MAX3795 toc23
MAX3795 toc20
7