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ADL5303 - Low Cost Logarithmic Converter

Description

The ADL5303 is a monolithic logarithmic detector optimized for the measurement of low frequency signal power in fiber optic systems and offers a large dynamic range in a versatile and easily used form.

Features

  • Optimized for fiber optic photodiode interfacing 8 full decades of range Law conformance: 0.1 dB from 1 nA to 1 mA Single-supply operation: 3.0 V to 5.5 V Complete and temperature stable Accurate laser trimmed scaling Logarithmic slope of 10 mV/dB (at the VLOG pin) Basic logarithmic intercept at 100 pA Easy adjustment of slope and intercept Output bandwidth of 10 MHz, 15 V/µs slew rate Miniature 16-lead package (LFCSP) Low power: ~4.5 mA quiescent current (enabled).

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Data Sheet FEATURES Optimized for fiber optic photodiode interfacing 8 full decades of range Law conformance: 0.1 dB from 1 nA to 1 mA Single-supply operation: 3.0 V to 5.5 V Complete and temperature stable Accurate laser trimmed scaling Logarithmic slope of 10 mV/dB (at the VLOG pin) Basic logarithmic intercept at 100 pA Easy adjustment of slope and intercept Output bandwidth of 10 MHz, 15 V/µs slew rate Miniature 16-lead package (LFCSP) Low power: ~4.
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