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MFG:N/A  Package Cooled:QFP  D/C:08+  

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Part Number: OQ2538HP

 

MFG: N/A

Package Cooled: QFP

D/C: 08+

Description: The OQ2538HP is a limiting amplifier IC intended for use as the main amplifier in 2.5 Gbits/s Non-Return to Zero (NRZ) ...


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OQ2538HP General Description


The OQ2538HP is a limiting amplifier IC intended for use as the main amplifier in 2.5 Gbits/s Non-Return to Zero (NRZ) transmission systems (SDH/SONET).

Comprised of four amplifier stages with a total gain of 48.5 dB, it provides for a wide input signal dynamic range at a constant CML-compatible output level.

Two level-detection circuits are provided for monitoring AGC and LOS input signal levels. An internal automatic offset compensation circuit eliminates offset in the amplifier chain.

OQ2538HP Maximum Ratings

SYMBOL PARAMETER CONDITIONS MAX. MAX. UNIT
VEE negative supply voltage   -6.0 +0.5 V
VI input voltage difference note 1 -600 +600
 mV
IIN, IINQ input current
   -2.0 +2.0 mA
In DC current
pins 30 and 32
pins 3, 18, 19 and 43
pin 21
pins 44 and 45
pin 22		   -6
-3
-2
-1
-0.1		 +10
+3
+2
+1
+0.1		 mA
mA
mA
mA
mA
Ptot total power dissipation   - 380
 mW
Tj junction temperature   - 150
Tstg storage temperature   -65 +150
Note
1. VI = VIN - VINQ (AC only). The DC level is internally controlled.

OQ2538HP Features

· Differential 100 W outputs for direct connection to Current-Mode Logic (CML) inputs
· Wide bandwidth (3 GHz)
· 48.5 dB limiting gain
· Noise figure typically 11 dB
· Automatic offset compensation
· Input level-detection circuits for Automatic Gain Control (AGC) and Loss Of Signal (LOS) detection
· Low power dissipation (typically 270 mW)
· Single -4.5 V supply voltage
· Low cost LQFP48 plastic package.

OQ2538HP Typical Application

· Main amplifier in Synchronous Digital Hierarchy (SDH) and Synchronous Optical Network (SONET) systems for short, medium and long haul optical transmission
· Level detector for laser diode control loops
· Wideband RF gain block with internal level detectors.

OQ2538HP Connection Diagram

OQ2538HP Connection Diagram

OQ2538HP datasheet

OQ2538HP
PDF/DataSheet Download

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