This user guide describes the EVAL-AD5273DBZ evaluation board for evaluating the AD5273, a single channel, 64-position, one-time programmable (OTP) memory digital potentiometer that employs fuse link technology to achieve memory retention of resistance settings. The on-board socket allows the user to easily replace the device for reprogramming of the OTP memory. The AD5273 supports single-supply 2.7 V to 5.5 V operation, making the device suited for battery-powered applications and many other applications with superior low temperature coefficient performance. In addition, the AD5273 uses a versatile I2C serial interface that operates in fast mode.