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MFG:PHILIPS  Package Cooled:LQFP  D/C:00+  

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Part Number: OQ2545HP

 

MFG: PHILIPS

Package Cooled: LQFP

D/C: 00+

Description: The OQ2545 is a driver IC intended to be used with a directly modulated laser diode or with an Electro Absorption Modul...


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OQ2545HP General Description


The OQ2545 is a driver IC intended to be used with a directly modulated laser diode or with an Electro Absorption Modulator (EAM) in SDH/SONET 2.5 Gbits/s optical transmission systems.

The IC features differential data inputs. Loop mode inputs are provided for system testing, along with an output for continuous monitoring. In addition, the OQ2545HP features differential clock inputs for internal retiming resulting in a better jitter performance.

The IC has bias and modulating current outputs, the levels of which can be set separately. As an additional safety measure, the active HIGH-level input for automatic laser shutdown (pin ALS) can be used to switch off the laser modulation and bias currents.

Although the IC is intended for 2.5 Gbits/s optical transmission systems, it can be used in any application requiring high current drive at high frequencies.

The IC is transparent from input to output.

OQ2545HP Maximum Ratings

SYMBOL PARAMETER MIN. MAX. UNIT
VCC supply voltage for TTL interface -6 +6.0 V
VEE1 supply voltage for TTL interface -0.5 +0.5
 V
VEE2 supply voltage for analog section
 -7.5 +0.5 V
Vn DC voltage on
pins DIN, DINQ, DLOOP, DLOOPQ, CIN, CINQ, CLOOP
and CLOOP
pins MON and MONQ
pins ALS and ENL
pins EFADJ, APADJ, SIMOD and SIBIAS
pins SMOD and BGCAP		 -1.0
-2.0
-0.5
VEE2 - 0.5
VEE1 - 0.5		 +0.5
+0.5
VCC + 0.5
0.5
0.5		 V
V
V
V
V
In DC current on
pins LA and LAQ
pin IBIAS
pins MON and MONQ
pin DIOA		 -
-
-
-		 80
110
20
10
 mA
mA
mA
mA
Tj junction temperature - 150
Tstg storage temperature -65 +150

OQ2545HP Features

· Differential 50 W inputs for direct connection to Current-Mode Logic (CML) outputs
· Internal retiming to minimize jitter (OQ2545HP only)
· Input clock phase margin of 320° at 2.5 Gbits/s (OQ2545HP only)
· RF output current sinking capability of 60 mA
· Bias output current sinking capability of 100 mA
· TTL compatible control inputs
· Loop mode for system testing
· Continuous output monitoring
· Power dissipation <1500 mW (for typical application)
· Low cost LQFP48 plastic package.

OQ2545HP Typical Application

· Digital fibre optical modulation driver in STM16/OC48 short, medium and long haul optical transmission systems
· Optical modulation driver in high-speed data networks
· High current driver for electro-optical converters
· High current electrical line driver.

OQ2545HP Connection Diagram

OQ2545HP Connection Diagram

OQ2545HP datasheet

OQ2545HP
PDF/DataSheet Download

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    The OQ2545BHP is a driver IC intended to be used with a directly modulated laser diode or with an Electro Absorption Modulator (EAM) in SDH/SONET 2.5 Gbits/s optical transmission systems.The IC OQ2545BHPfeatures differential data inputs. Loop mode inputs are...

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