Description
LOG114 SBOS301 * MAY 2004 Single-Supply, High-Speed, Precision LOGARITHMIC AMPLIFIER .
The LOG114 computes the logarithm or log-ratio of an input current or voltage relative to a reference current or voltage.
Features
* D EASY-TO-USE COMPLETE FUNCTION D TWO OUTPUT, WIDE BW SCALING D WIDE INPUT DYNAMIC RANGE: D 2.5V REFERENCE D EXCELLENT GAIN STABILITY OVER D D D D
TEMPERATURE LOW QUIESCENT CURRENT: 10mA DUAL OR SINGLE SUPPLY: +5V, +5V PACKAGE: Small QFN-16 (4mm x 4mm) SPECIFIED TEMPERATURE RANGE:
* 5°C to +7
Applications
* a signal current can come from a photodiode, and a reference current from a resistor in series with a precision internal voltage refernce. APPLICATIONS
D LOG, LOG-RATIO FUNCTION FOR TEST,
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D D D D
GENERAL INSTRUMENTATION PHOTODIODE SIGNAL COMPRESSION AMP ANALOG SIGNAL COMPRESS