Datasheet

35. DAC – Digital-to-Analog Converter
35.1 Overview
The Digital-to-Analog Converter (DAC) converts a digital value to a voltage. The DAC has one channel
with 10-bit resolution, and it is capable of converting up to 350,000 samples per second (350ksps).
35.2 Features
DAC with 10-bit resolution
Up to 350ksps conversion rate
Multiple trigger sources
High-drive capabilities
Output can be used as input to the Analog Comparator (AC)
DMA support
35.3 Block Diagram
Figure 35-1. DAC Block Diagram
DATABUF
DATA
DAC Controller
DAC10
VOUT
VREFA
Internal input
VDDANA
Ref.voltage (VREF)
Output
Buffer
ADC Input
35.4 Signal Description
Signal Name Type Description
VOUT Analog output DAC output
VREFA Analog input External reference
Related Links
7. I/O Multiplexing and Considerations
35.5 Product Dependencies
In order to use this peripheral, other parts of the system must be configured correctly, as described below.
35.5.1 I/O Lines
Using the DAC Controller’s I/O lines requires the I/O pins to be configured using the port configuration
(PORT).
SAM D21 Family
DAC – Digital-to-Analog Converter
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 960