MAX3262 Maxim, MAX3262 Datasheet
MAX3262
Manufacturer Part Number
MAX3262
Description
Single +5V / Fully Integrated / 155Mbps Laser Diode Driver
Manufacturer
Maxim
Datasheet
1.MAX3262.pdf
(12 pages)
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The MAX3263 is a complete, easy-to-program, single
+5V-powered, 155Mbps laser diode driver with com-
plementary enable inputs and automatic power control
(APC). The MAX3263 accepts differential PECL inputs
and provides complementary output currents. A tem-
perature-stabilized reference voltage is provided to
simplify laser current programming. This allows modu-
lation current to be programmed up to 30mA and bias
current to be programmed from up to 60mA with two
external resistors.
An APC circuit is provided to maintain constant laser
power in transmitters that use a monitor photodiode.
Only two external resistors are required to implement
the APC function.
The MAX3263’s fully integrated feature set includes a
TTL-compatible laser failure indicator and a program-
mable slow-start circuit to prevent laser damage. The
slow-start is preset to 50ns and can be extended by
adding an external capacitor.
___________________Pin Configuration
________________General Description
________________________Applications
19-0432; Rev 1b; 4/98
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
TOP VIEW
Laser Diode Transmitters
155Mbps SDH/SONET
155Mbps ATM
FAILOUT
IPINSET
OSADJ
VREF2
VREF1
GNDB
GNDB
VCCB
ENB+
ENB-
VIN+
VIN-
________________________________________________________________ Maxim Integrated Products
10
11
12
1
2
3
4
5
6
7
8
9
MAX3263
SSOP
24
23
22
21
20
19
18
17
16
15
14
13
SLWSTRT
IPIN
VCCA
GNDA
OUT+
GNDA
OUT-
GNDA
IBIASOUT
IMODSET
IBIASSET
IBIASFB
Single +5V, Fully Integrated,
155Mbps Laser Diode Driver
____________________________Features
_____________Typical Operating Circuit
_______________Ordering Information
INPUTS
MAX3263CAG
Rise Times Less than 1ns
Differential PECL Inputs
Single +5V Supply
Automatic Power Control
Temperature-Compensated Reference Voltage
Complementary Enable Inputs
PECL
+5V
PART
0.01 F
OSADJ
VIN+
VIN-
GNDA
GNDB
ENB+
ENB-
SLWSTRT
VREF1
VREF2
IMODSET
VCCA VCCB
MAX3263
IPINSET
TEMP. RANGE
0°C to +70°C
IBIASOUT
FAILOUT
IBIASSET
IBIASFB
OUT+
OUT-
IPIN
0.01 F
+5V
PHOTO-
DIODE
FERRITE BEAD
PIN-PACKAGE
24 SSOP
+5V
LASER
+5V
2.7k
1
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