What this part is and where it fits
The SMP04ESZ from Analog Devices is a quad sample-and-hold IC designed for data-acquisition front ends. It packages four independent track-and-hold circuits in a 16-SOIC body (0.154" wide, 3.90 mm pitch) for surface-mount assembly. Typical applications include ADC input buffering, simultaneous sampling, and deglitching in industrial or instrumentation signal chains.
Lifecycle and sourcing
The SMP04ESZ carries an Active product status with ROHS3 compliance. No end-of-life notification or last-time-buy window is in effect.