The MAX5529GUA+ is a single-channel 10k digital potentiometer with 64 wiper taps, giving you 63 discrete resistor steps between the end terminals. That works out to about 158 Ω per step for the 10k end-to-end resistance — fine enough for trimming an op-amp gain stage or setting a comparator threshold without external resistors. The linear taper means the wiper resistance changes evenly across the tap positions, so the transfer function is predictable for volume control or voltage divider applications. Non-volatile memory holds the last wiper position when power is removed — no need to re-initialize after a power cycle, which matters for calibration constants in field equipment. The wiper resistance is 125 Ω typical, which adds a small offset in the signal path — factor it into your divider ratio if you are working with low-impedance loads.
Package and temperature — what to expect at the bench
The 8-uMAX/uSOP package is a 3 mm × 3 mm body with 0.65 mm pin pitch. It is small enough for tight layouts but still hand-solderable with a fine-tip iron or hot-air station — the leads are visible, so alignment is straightforward under a loupe. The temperature coefficient is 35 ppm/°C typical — the resistance drifts about 0.35 Ω per °C on a 10k pot, negligible for most trim applications.