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ADL5303ACPZ-R7

Logarithmic Amplifier, 1 Amplifier, 8 Decades, LFCSP, 16 Pins

ANALOG DEVICES ADL5303ACPZ-R7
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Manufacturer Part No:
ADL5303ACPZ-R7
Order Code:
2306599
Technical Datasheet:
ADL5303ACPZ-R7   Datasheet
See all Technical Docs

Product Overview

The ADL5303ACPZ-R7 is a monolithic Logarithmic Detector optimized for the measurement of low frequency signal power in fibre optic systems and offers a large dynamic range in a versatile and easily used form. Wide measurement range and accuracy are achieved using proprietary design and precise laser trimming. The ADL5303 requires only a single positive supply, VPS, of 5V. When using low supply voltages, the log slope can be altered to fit the available span. Low quiescent current and chip disable facilitate use in battery-operated applications. The input current, IPD, flows in the collector of an optimally scaled NPN transistor, connected in a feedback path around a low offset JFET amplifier. The current summing input node operates at a constant voltage, independent of current, with a default value of 0.5V, this may be adjusted over a wide range. An adaptive biasing scheme is provided for reducing photo-diode dark current at very low light input levels.
  • Optimized for fibre optic photodiode interfacing
  • Complete and temperature stable
  • Accurate laser trimmed scaling
  • Logarithmic slope of 10mV/dB (at the VLOG pin)
  • Basic logarithmic intercept at 100pA
  • Easy adjustment of slope and intercept
  • Output bandwidth of 10MHz, 15V/µs slew rate
  • 160dB range (100pA to 10mA)

Applications

Test & Measurement, Industrial

Product Information

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1 Amplifier

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8 Decades

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-

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-

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LFCSP

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16Pins

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3V to 5.5V

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20mV

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-40°C

:
85°C

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-

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MSL 3 - 168 hours
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Technical Docs (3)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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