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Intersil Electronic Components Datasheet

X9530 Datasheet

Laser Diode Controller

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Temperature Compensated Laser Diode
Controller
FEATURES
• Compatible with Popular Fiber Optic Module
Specifications such as Xenpak, SFF, SFP, and
GBIC
• Package
—14 Ld TSSOP
• Two Programmable Current Generators
—±1.6 mA max.
—8-bit (256 Step) Resolution
• Integrated 6 bit A/D Converter
• Temperature Compensation
—Internal or External Sensor
—-40°C to +100°C Range
—2.2°C/step Resolution
—EEPROM Look-up Tables
• Hot Pluggable
• 2176-bit EEPROM
—17 Pages
—16 Bytes per Page
• Write Protection Circuitry
—Intersil BlockLock™
—Logic Controlled Protection
—2-wire Bus with 3 Slave Address Bits
• 3V to 5.5V, Single Supply Operation
• Pb-Free Plus Anneal Available (RoHS Compliant)
LASER DIODE BIAS CONTROL APPLICATIONS
• SONET and SDH Transmission Systems
• 1G and 10G Ethernet, and Fibre Channel Laser
Diode Driver Circuits
PIN CONFIGURATION
November 11, 2005
X9530
FN8211.1
DESCRIPTION
The X9530 is a highly integrated laser diode bias
controller which incorporates two digitally controlled
Programmable Current Generators, temperature
compensation with dedicated look-up tables, and
supplementary EEPROM array. All functions of the
device are controlled via a 2-wire digital serial interface.
Two temperature compensated Programmable Current
Generators, vary the output current with temperature
according to the contents of the associated nonvolatile
look-up table. The look-up table may be programmed
with arbitrary data by the user, via the 2-wire serial port,
and either an internal or external temperature sensor
may be used to control the output current response.
These temperature compensated pro-grammable
currents maybe used to control the modulation current
and the bias current of a laser diode.
The integrated General Purpose EEPROM is included
for product data storage and can be used for transceiver
module information storage in laser diode applications.
PART
NUMBER
PART TEMP RANGE
MARKING
(°C)
PACKAGE
X9530V14I* X9530V
-40 to 100 14 LEAD TSSOP
X9530V14IZ* X9530V Z
(Note)
-40 to 100 14 LEAD TSSOP
(Pb-free)
*Add "T1" suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
A0
A1
A2
Vcc
WP
SCL
SDA
1
2
3
4
5
6
7
14 I2
13 VRef
12 VSense
11 Vss
10 R2
9 R1
8 I1
TSSOP 14L
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

X9530 Datasheet

Laser Diode Controller

No Preview Available !

X9530
TYPICAL APPLICATION
GBIC / SFP / XFP Module
High Speed
Data Input
MOD_DEF(0)
MOD_DEF(1)
X9530
I1 IMODSET
SDA
SCK
I2 IPINSET/IBIASSET
Laser
Diode
Driver
Circuit
VCC
LD
MPD
ILD IMON
BLOCK DIAGRAM
VRef
VSense
Voltage
Reference
ADC
Temperature
Sensor
Mux
Mux
SDA
SCL
WP
A2, A1, A0
2-Wire
Interface
Look-up
Table 2
Look-up
Table 1
Control
& Status
General
Purpose
Memory
Mux
Mux
DAC 2
DAC 1
R2
I2
I1
R1
DEVICE DESCRIPTION
The X9530 combines two Programmable Current
Generators, and integrated EEPROM with Block
Lock™ protection, in one package. The
Programmable Current Generators are ideal for use in
fiber optic Modulation Current require temperature
control. The combination of the X9530 functionality
and Intersil’s Chip-Scale package lowers system cost,
increases reliability, and reduces board space
requirements.
Two on-chip Programmable Current Generators may
be independently programmed to either sink or source
current. The maximum current generated is
determined by using an externally connected
programming resistor, or by selecting one of three
predefined values. Both current generators have a
maximum output of ±1.6 mA, and may be controlled to
an absolute resolution of 0.39% (256 steps / 8 bit).
Both current generators may be driven using an on-
board temperature sensor, an external sensor, or
Control Registers. The internal temperature sensor
operates over a very broad temperature range (-40°C
to +100°C). The sensor output (internal or external)
drives a 6-bit A/D converter, whose output selects one
of 64 bytes from each nonvolatile look-up table (LUT).
The contents of the selected LUT row (8-bit wide)
drives the input of an 8-bit D/A converter, which
generates the output current.
All control and setup parameters of the X9530,
including the look-up tables, are programmable via the
2-wire serial port.
2 FN8211.1
November 11, 2005


Part Number X9530
Description Laser Diode Controller
Maker Intersil
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X9530 Datasheet PDF






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