The MCP47FEB21/22 range of devices from Microchip are 12-bit, buffered voltage output Digital-to-Analogue Converters with non-volatile memory and an I2C compatible interface available in single and dual-channel variants.

8-bit Resolution
Rail-to-Rail Output
Fast Settling Time - 6 μs (typical)
Voltage Reference Options - Device V_DD, External V_REF (buffered or un-buffered) or Internal Bandgap (1.22V typical)
Output Gain Options - Unity (1x) or 2x (when not using internal V_DD as voltage source)
Non-Volatile Memory (EEPROM)
Power-Down Modes
Low Power Consumption – Dual-Channel Variant Normal Operation 380μA (max), Single Channel Variant Normal Operation 180 μA (max), Power-Down Operation 650nA (typical) and EEPROM Write Cycle 1.9mA (max)
Single-Supply Operation - 2.7V to 5.5V
I²C™ Interface

Digital to Analogue Converters - Microchip