Mikroelektronika - R2R DAC
DAC converter using a R/2R-network
The R2R ladder DAC is an 8-bit Analog to Digital Converter. An 8-bit value from the microcontroller port will be converted to an equivalent analog voltage by means of the R2R resistor network. The R2R ladder DAC makes use of only two resistor values, but it requires 2N resistors to implement an N-bit conversion. The resistor values are in the ratio of 1:2. The R2R DAC board output is provided with an MCP6284 operational amplifier used as a buffer in order to drive loads with current consumption of up to 20mA.
DAC Board
Extension board featuring the Microchip MCP4921 12-bit DAC with SPI Interface
• Price: € 16,60
• Stock: Available in stock
EasyADC
12 bit A/D Converter with 4 inputs, SPI and 4.069 Vref on board
• Price: € 19,00
• Stock: Available in stock
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