Datasheet Summary
Features
Optimized for fiber optic photodiode interfacing Measures current over 3 decades
Law conformance 0.1 dB from 100 nA to 100 μA Single- or dual-supply operation (3 V to ±5.5 V total) Full log-ratio capabilities Temperature stable Nominal slope of 10 mV/dB (200 mV/decade) Nominal intercept of 1 nA (set by external resistor)
Optional adjustment of slope and intercept Rapid response time for a given current level Miniature 16-lead chip scale package (LFCSP 3 mm × 3 mm) Low power: ~5 mA quiescent current
APPLICATIONS
Low cost optical power measurement Wide range baseband logarithmic pression Measurement of current and voltage ratios Optical absorbance measurement
GENERAL...