12-bit dual DAC in a 10-MSOP — what you get
The AD5623RBRMZ-5 from Analog Devices is a 12-bit dual-channel voltage-output DAC in the nanoDAC® series. It packs two independent converters with a buffered voltage output, a 4.5µs settling time, and an SPI/DSP-compatible serial interface into a 10-MSOP package. The part accepts an external reference or uses its internal one, and runs on a single 5V supply for both analog and digital rails. Rated over -40°C to 105°C, it is built for industrial control loops, instrumentation, and closed-loop actuator drives where board space is tight and you need two precision analog outputs from one small footprint.
Linearity and monotonicity — the specs that matter for analog output
INL is ±0.5 LSB maximum, DNL is ±0.25 LSB maximum. That means the part is guaranteed monotonic — every digital code step produces a positive voltage increment, no missing codes. In a servo valve or laser current setpoint, that eliminates the risk of output glitches at code transitions. The String DAC architecture keeps the output clean without a separate deglitching filter in most cases.
Reference flexibility — internal or external
You can use the on-chip 2.5V reference or feed in an external one. Going internal saves a reference IC and two bypass caps on the BOM; going external lets you ratiometric the output to an ADC reference or use a higher-precision external reference for tighter absolute accuracy. The reference input pin is shared with the internal reference output, so the choice is a firmware register bit and one resistor.
Sourcing and lifecycle — where this part sits in the cycle
The AD5623RBRMZ-5 carries an active lifecycle status. For BOM-line sourcing, this is a straightforward part to qualify — no allocation pressure, no end-of-life clock ticking.