MCP4822

MCP4802/4812/4822 8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface Features MCP4802: Dual 8-Bit Voltage Output DAC MCP4812: Dual 10-Bit Voltage Output DAC MCP4822: Dual 12-Bit Voltage Output DAC Rail-to-Rail Output SPI Interface with 20 MHz Clock Support Simultaneous Latching of the Dual DACs with LDAC pin Fast Settling Time of 4.5 µs Selectable Unity or 2x Gain Output 2.048V Internal Voltage Reference 50 ppm/°C VREF Temperature Coefficient 2.7V to 5.5V Single-Supply Operation Extended Temperature Range: -40°C to +125°C Applications Set Point or Offset Trimming Sensor Calibration Precision Selectable Voltage Reference Portable Instrumentation (Battery-Powered) Calibration of Optical Communication Devices Related Products(1) P/N DAC No. of Resolution Channels Voltage Reference (VREF) MCP4801 8 1 MCP4811 10 1 MCP4821 12 MCP4802 8 1 Internal 2 (2.048V) MCP4812 10 2 MCP4822 12 2 MCP4901 8 1 MCP4911 10 1 MCP4921 12 MCP4902 8 1 External 2 MCP4912 10 2 MCP4922 12 2 Note 1: The products listed here have similar AC/DC performances. Description The MCP4802/4812/4822 devices are dual 8-bit, 10-bit and 12-bit buffered voltage output Digital-to-Analog Converters (DACs), respectively. The devices operate from a single 2.7V to 5.5V supply with SPI compatible Serial Peripheral Interface. The devices have a high precision internal voltage reference (VREF = 2.048V)....