SSM2020

The SSM2020 is designed as one kind of dual two quadrant multiplier that can be used with op amps in a wide varity of precision audi-frequency applications including AGC circuits. Dividers and as a buquad tuning element. Each channel has separate control and differential signal inputs and a curent output. This device also offers an exceptial voltage control of gain or either polarity of current control.

Features of the SSM2020 are:(1)max supplies +/- 18 V;(2)dual design (independent control selection);(3)2 % channel gain matching;(4)100 dB control range;(5)simultaneous linear and exponential gain control;(6)differential signal inputs;(7)current output;(8)88 db signal-to-noise;(9)0.1% distortion;(10)fully temperature compensated. And this device can be used in wide range of applications such as:(1)2 and 4 quadrant multipliers;(2)dividers;(3)AGC circuits;(4)voltage controlled filters;(5)voltage controlled quadrature oscillators;(6)volume controls;(7)equalizers;(8)compandors;(9)antilog amplifiers;(10)voltage controlled current sources.

The specifications of the SSM2020 can be summarized as:(1)signal input bias: 500 nA to 2.2 uA;(2)supply voltage: +/- 15 V to +/- 18 V;(3)supply current: 6 to 8 mA;(4)control current: 1 mA;(5)transconductance gm: 1/12 k to 1/16 k;(6)gm match: +2% tp +/- 5%;(7)gm temco: 100 ppm/;(8)control circuit Vos: 1 to 3 mV;(9)output offset Io/Ic: +/-2 % to +/-10 %;(10)control rejection: 60 dB. If you want to know more information about it, please download the datasheet in www.seekic.com or www.chinaicmart.com .