BUY AD7244JRZ https://www.utsource.net/itm/p/1105000.html
12-/14-Bit DAC, 3 V Buried Zener Reference, DAC
Description: The AD7244 is a low power, low noise, 16-bit, successive approximation analog-to-digital converter (ADC). Features: 16-bit resolution Low power: 1.2 mW at 3 V Low noise: 0.7 μV RMS Low power shutdown mode Serial peripheral interface (SPI) compatible Single supply operation: 2.7 V to 5.5 V On-chip reference On-chip clock On-chip track/hold Differential input range: ±2.5 V Programmable gain amplifier (PGA) Programmable data rate Programmable power-down Programmable input range Programmable offset Programmable full-scale range Applications: Portable medical instruments Battery-powered systems Industrial process control Data acquisition systems Automotive systems Portable instrumentation (For reference only)