MAX3795ETG+ Maxim Integrated Products, MAX3795ETG+ Datasheet - Page 3

• Manufacturer Part Number: MAX3795ETG+
• Description: IC DRIVER VCSEL W/MON 24-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driverr

Specifications of MAX3795ETG+

• Data Rate: 4.25Gbps
• Number Of Channels: 1
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 71mA
• Current - Modulation: 15mA
• Current - Bias: 15mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Operating Supply Voltage: 3.3 V
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
+25°C, unless otherwise noted.)
Bias Current During Fault
BIASMON Gain
BIASMON Stability
AUTOMATIC POWER CONTROL (APC)
MD Nominal Voltage
Voltage at REF
MD Voltage During Fault
MD Input Current
APC Time Constant
PWRMON Nominal Gain
LASER MODULATOR (Load is 50Ω AC-Coupled to OUT+)
Differential Input Voltage
Input Common-Mode Voltage
Differential Input Resistance
Single-Ended Input Return Loss
Differential Input Return Loss
Modulation Current
Laser Modulation During Fault or
Squelch Active
Tolerance of Programmed
Modulation Current
Minimum Peaking Current
Maximum Peaking Current
Peaking Current Duration
Output Resistance
Minimum Programmable
Temperature Coefficient
Maximum Programmable
Temperature Coefficient
Modulation Transition Time
(Note 2)
CC
= +2.97V to +3.63V, T
PARAMETER
1Gbps to 4.25Gbps Multirate VCSEL Driver
_______________________________________________________________________________________
A
= -40°C to +85°C. Typical values are at V
G
SYMBOL
I
I
BIAS_OFF
MOD_OFF
BIASMON
SDD11
R
V
I
V
V
S11
MOD
V
R
REF
OUT
MD
t
t
CM
ID
IN
R
F
Current out of the BIAS pin
I
(Notes 2, 4)
APC loop is closed
Normal operation (FAULT = low)
C
V
Minimum
Maximum
f < 4GHz
f < 4GHz
Current into OUT+
R
DC tested
TC1 is shorted to TC2
R
R
Single-ended resistance
Temperature range 0°C to +70°C
50Ω load, no peaking,
50Ω load, no peaking,
BIASMON
5mA ≤ I
5mA ≤ I
PWRMON
COMP
LOAD
PEAKSET
PEAKSET
≤ 50Ω
= 0.047µF, ∆I
MOD
MOD
/ I
= 10kΩ
= 1kΩ
/ (V
BIAS
≤ 15mA
≤ 15mA
with Diagnostic Monitors
REF
CONDITIONS
- V
MD
PD
CC
1mA < I
3mA ≤ I
Minimum
Maximum
)
/ ∆I
= +3.3V, TC1 and TC2 are shorted, PEAKSET open, T
LASER
- 40°C to + 85° C
+100°C
- 40°C to + 85° C
+100°C
BIAS
BIAS
= 0.02
< 15mA
< 3mA
0.0875
0.085
1.85
MIN
-10
-10
1.2
2.4
85
15
42
-2
1
V
+5000
0.105
0.105
TYP
2.15
1.75
12.7
REF
100
1.5
0.2
1.8
0.7
0.2
90
11
15
75
50
49
58
56
64
0
2
0
-
0.1375
0.125
MAX
0.25
2.45
+10
115
+10
2.2
+2
10
50
58
72
79
2
2
ppm/°C
ppm/°C
mA/mA
UNITS
µA
V
V/V
mA
mA
mA
dB
dB
µA
µA
ps
ps
µs
%
%
P-P
Ω
Ω
V
V
V
V
P-P
A
3
=