100 DB-range (10nA-1mA) Logarithmic Converter
The AD8305 is a low-cost micro miniature logarithmic detector optimized for the determination of optical power in fiber-optic systems. It uses an advanced implementation of a classic translinear (junction-based) method to provide a large dynamic range in a versatile and easily-used form. Only a single supply voltage of between 3 V and 12 V is required; the low quiescent current (typically 5 mA for zero input) permits use in battery-operated applications.
The AD8305 is available in a miniature 16 pin chip-scale package and specified for operation from -40C to +85C.
By Analog Devices, Inc.
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