AD539

FEATURES 2-quadrant multiplication/division 2 independent signal channels Signal bandwidth of 60 MHz (IOUT) Linear control channel bandwidth of 5 MHz Low distortion (to 0.01%) Fully calibrated, monolithic circuit APPLICATIONS Precise high bandwidth AGC and VCA systems Voltage-controlled filters Video signal processing High speed analog division Automatic signal-leveling Square-law gain/loss control GENERAL DESCRIPTION The AD539 is a low distortion analog multiplier having two identical signal channels (Y1 and Y2), with a common X input providing linear control of gain. Excellent ac characteristics up to video frequencies and a −3 dB bandwidth of over 60 MHz are provided. Although intended primarily for applications where speed is important, the circuit exhibits good static accuracy in computational applications. Scaling is accurately determined by a band-gap voltage reference and all critical parameters are laser-trimmed during manufacture. The full bandwidth can be realized over mos...