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Part Number: OQ2538U
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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OQ2538U
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General Description
OQ2538U 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.
OQ2538U 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 |
1. VI = VIN - VINQ (AC only). The DC level is internally controlled.
OQ2538U 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.
· 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.
OQ2538U 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.
· Level detector for laser diode control loops
· Wideband RF gain block with internal level detectors.
OQ2538U Connection Diagram
OQ2538U
PDF/DataSheet Download
- Datasheet: OQ2538U
- File Size: 171303 KB
- Manufacturer: PHILIPS [Philips Semiconductors]
- Click here to Download
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OQ2538U Relative Products
OQ2538HP
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, OQ2538HP provides for a wide input signal...
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The OQ2536HP is a 32-channel demultiplexer intended for use in STM16/OC48 applications. It demultiplexes a single 2.5 Gbits/s input channel to 32 ´ 78 Mbits/s output channels. The data and clock outputs of OQ2536HP on the low speed interface are GTL co...
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