High-side current sense in a DIP — what this part is for
The AD629ANZ from Analog Devices is a single-channel current sense amplifier designed to measure differential voltage across a shunt resistor on the high side of a supply rail. It handles common-mode voltages up to the supply span while rejecting the rail swing — that is the whole point of a difference amplifier in this class. The 8-pin DIP package (0.300" row spacing) makes it a natural fit for through-hole prototype boards, legacy industrial controller cards, and repair replacements where the original SMT part was socketed or wave-soldered. Supply span runs from 5 V to 36 V. The -40°C to 85°C temperature range covers factory-floor cabinets, outdoor telecom shelters, and engine-bay electronics.
Input offset and output drive — the BOM-fit numbers
Input offset voltage is 200 µV. Output can source or sink 25 mA, enough to drive a microcontroller ADC input directly.
Active production — no LTB clock ticking
Lifecycle status is Active, and the part carries ROHS3 compliance.