Diode Controller. X9530 Datasheet

X9530 Datasheet PDF, Equivalent


Part Number

X9530

Description

Temperature Compensated Laser Diode Controller

Manufacture

Xicor

Total Page 30 Pages
PDF Download
Download X9530 Datasheet PDF


X9530 Datasheet
X9530
Temperature Compensated Laser Diode Controller
FEATURES
• Compatible with Popular Fiber Optic Module
Specifications such as Xenpak, SFF, SFP, and
GBIC
• Package
—14 Pin TSSOP
—15 Lead 2.7 x 3.5mm CSP (Chip-Scale
Package)
• 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
—Xicor BlockLock™
—Logic Controlled Protection
—2-wire Bus with 3 Slave Address Bits
• 3 V to 5.5 V, Single Supply Operation
LASER DIODE BIAS CONTROL APPLICATIONS
• SONET and SDH Transmission Systems
• 1G and 10G Ethernet, and Fibre Channel Laser
Diode Driver Circuits
TYPICAL APPLICATION
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.
High Speed
Data Input
MOD_DEF(0)
MOD_DEF(1)
GBIC / SFP / XFP Module
X9530
I1 IMODSET
SDA
SCK
I2 IPINSET/IBIASSET
Laser
Diode
Driver
Circuit
VCC
LD
MPD
ILD IMON
REV 3.7 8/26/04
www.xicor.com
Characteristics subject to change without notice. 1 of 30

X9530 Datasheet
X9530
BLOCK DIAGRAM
VRef
VSense
Voltage
Reference
ADC
Temperature
Sensor
Mux
Mux
SDA
SCL
WP
A2, A1, A0
PIN CONFIGURATION
2-Wire
Interface
A0 1
A1 2
A2 3
Vcc 4
WP 5
SCL 6
SDA 7
14 I2
13 VRef
12 VSense
11 Vss
10 R2
9 R1
8 I1
TSSOP 14L
Look-up
Table 2
Look-up
Table 1
Control
& Status
General
Purpose
Memory
Mux
Mux
DAC 2
DAC 1
R2
I2
I1
R1
32 1
A0 I2 VRef
A
Vcc A1 VSense
B
SCL A2 Vss
C
SDA Vss R2
D
WP I1 R1
E
Top View - Bumps Down CSP – B15
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 Xicor’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.
The general purpose memory portion of the device is a
CMOS serial EEPROM array with Xicor’s Block LockTM
protection. This memory may be used to store fiber
optic module manufacturing data, serial numbers, or
various other system parameters.
REV 3.7 8/26/04
www.xicor.com
Characteristics subject to change without notice. 2 of 30


Features Datasheet pdf X9530 Temperature Compensated Laser Diod e Controller FEATURES • Compatible wi th Popular Fiber Optic Module Specifica tions such as Xenpak, SFF, SFP, and GBI C • Package —14 Pin TSSOP —15 Lea d 2.7 x 3.5mm CSP (Chip-Scale Package) • Two Programmable Current Generators —±1.6 mA max. —8-bit (256 Step) R esolution • Integrated 6 bit A/D Conv erter • Temperature Compensation —I nternal or External Sensor —–40°C to +100°C Range —2.2°C / step resol ution —EEPROM Look-up Tables • Hot Pluggable • 2176-bit EEPROM —17 Pag es —16 Bytes per Page • Write Prote ction Circuitry —Xicor BlockLock™ Logic Controlled Protection —2-wire Bus with 3 Slave Address Bits • 3 V to 5.5 V, Single Supply Operation LASER DIODE BIAS CONTROL APPLICATIONS • SO NET and SDH Transmission Systems • 1G and 10G Ethernet, and Fibre Channel La ser Diode Driver Circuits TYPICAL APPLI CATION GBIC / SFP / XFP Module VCC High Speed Data Input Laser Diode Driver Circuit LD MPD DESCRIPTION The X9530 is a highly integrated laser diode bias cont.
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