What the MAX9001ESD integrates and where it fits
The Maxim Integrated MAX9001ESD is a mixed-signal IC that combines an operational amplifier, a comparator, and a voltage reference in a single 14-SOIC package. It is specifically designed for smart-card interface circuits, where the op-amp conditions the card's analog signals, the comparator handles threshold detection, and the reference provides a stable bias point. Surface-mount assembly in the 14-SOIC (0.154" body width) footprint keeps the board area compact for smart-card readers, payment terminals, and identification systems that need all three analog functions in one device.
This is a clean fit for both new-design qualification and ongoing production replenishment. If your BOM requires lead-free solder and RoHS-10 conformance, factor in the compliance gap — the part is otherwise available through independent distribution.
14-SOIC package — layout and procurement notes
No special land pattern or thermal pad is required.