X9522 INTERSIL [Intersil Corporation], X9522 Datasheet

X9522

Manufacturer Part Number

X9522

Description

Triple DCP, Dual Voltage Monitors

Manufacturer

INTERSIL [Intersil Corporation]

Datasheet

1.X9522.pdf (27 pages)

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Triple DCP, Dual Voltage Monitors

FEATURES

• Three Digitally Controlled Potentiometers (DCPs)

• 2-Wire industry standard Serial Interface

• Dual Voltage Monitors

• Single Supply Operation

• Hot Pluggable

• 20 Pin package

BLOCK DIAGRAM

—64 Tap - 10kΩ

—100 Tap - 10kΩ

—256 Tap - 100kΩ

—Nonvolatile

—Write Protect Function

—Programmable Threshold Voltages

—2.7V to 5.5V

—TSSOP

Vcc / V1

SDA

SCL

RESET LOGIC

THRESHOLD

COMMAND

DECODE &

CONTROL

LOGIC

DATA

Data Sheet

VTRIP

1-888-INTERSIL or 1-888-468-3774

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

PROTECT LOGIC

CONSTAT

Laser Diode Control for Fiber Optic Modules

DESCRIPTION

The X9522 combines three Digitally Controlled Potenti-

ometers (DCPs), and two programmable voltage monitor

inputs with software and hardware indicators. All func-

tions of the X9522 are accessed by an industry standard

2-Wire serial interface.

Two of the DCPs of the X9522 may be utilized to control

the bias and modulation currents of the laser diode in a

Fiber Optic module. The third DCP may be used to set

other various reference quantities, or as a coarse trim for

one of the other two DCPs.The programmable voltage

monitors may be used for monitoring various module

alarm levels.

The features of the X9522 are ideally suited to simplifying

the design of fiber optic modules. The integration of

these functions into one package significantly reduces

board area, cost and increases reliability of laser diode

modules.

January 3, 2006

All other trademarks mentioned are the property of their respective owners.

Intersil (and design) is a registered trademark of Intersil Americas Inc.

NONVOLATILE

MEMORY

NONVOLATILE

COUNTER

MEMORY

COUNTER

MEMORY

7 - BIT

WIPER

8 - BIT

WIPER

6 - BIT

V3RO

V2RO

FN8208.1

X9522

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