AD7237JRZ

The AD7237JRZ is a complete dual 12-bit voltage output digital-to-analog converter (DAC) from Analog Devices, part of the AD7237 series. It integrates two 12-bit CMOS DACs, an on-chip voltage reference, output amplifiers, and reference buffer amplifiers on a single monolithic chip. The R-2R architecture provides accurate voltage output with buffered outputs.

The device features a parallel data interface with a typical data setup time of 30 ns, allowing easy interfacing with microprocessors. It offers a settling time of 10 µs and operates from a supply voltage range of 12 V to 15 V (nominal ±15 V). The output voltage can be configured as ±5 V, 0 V to 5 V, or 0 V to 10 V. Integral nonlinearity (INL) is ±1 LSB maximum, and differential nonlinearity (DNL) is ±0.9 LSB maximum, based on available data.

The AD7237JRZ is designed for surface mount assembly and comes in a 24-SOIC (0.295 inch, 7.50mm width) package. It operates over the industrial temperature range of -40°C to 85°C. Typical power dissipation is 165 mW in single supply operation (per datasheet) or 300 mW (per manufacturer page). The device supports both single and dual supply operation and uses an external or internal reference.