S3528B

The S3528B is designed as programmable low pass filter. Typical applications of S3528B include PBX and trunk status monitoring, automatic answering / forwarding / billing systems, anti-alias filtering, adaptive filtering, alarm systems, heating systems, acoustic controllers, specturm analyzers, computer controlled analog circuit testers, medical telemetry / filtering, ECG signal filtering, automotive command selection and filtering.

S3528B has many features. The first one is cutoff frequency selectable in 64 steps via six bit control word. The second one is continuously tuneable cutoff frequency variable via external clock. The third one is cutoff frequency range of 10Hz to 20KHz, 40Hz to 20KHz via popular 3.58MHz TV crystal. The fourth one is seventh order ellipitical ladder filter with cosine prefiltering stages. The fifth one is passband ripple which would be less than 0.1dB. The sixth one is stopband attenuation is 51dB for f>1.3fc. The seventh one is uncommitted input and output op amps for anti-aliasing and smoothing functions. The eighth one is steps may be custom programmed from a set of 2048 discrete points via internal ROM. The ninth one is low power CMOS technology. That are all the main features.

Some absolute maximum ratings of S3528B  have been concluded into several points as follow. The first one is about its supply voltage (Vdd - Vss) which would be +15.0V. The second one is about its operating temperature range which would be from 0°C to +70°C. The third one is about its storage temperature range which would be from -65°C to +150°C. The fourth one is about its input voltage, all pins which would be from Vss-0.3V to Vdd+0.3V.

Also some DC electrical operating characteristics about S3528B. The first one is about its positive supply which would be min 9.0V and typ 10.0V and max 13.5V. The second one is about its power dissipation at 10V which would be typ 60mW and max 110mW. The third one is about its input resistance which would be min 8M. The fourth one is about its input capacitance which would be max 15.0pF. And so on. For more information please contact us.