Data Sheet

913
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
34. DAC – Digital-to-Analog Converter
34.1 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).
34.2 Features
z DAC with 10-bit resolution
z Up to 350ksps conversion rate
z Multiple trigger sources
z High-drive capabilities
z Output can be used as input to the Analog Comparator (AC)
z DMA support
34.3 Block Diagram
Figure 34-1. DAC Block Diagram
34.4 Signal Description
EVCTRL
DATABUF
DATA
CTRLA
CTRLB
STATUS
EVENT
CONTROL
DAC10
Output
driver
AV
CC
INT1V
VREFA
V
OUT
ADC
AC
EMPTY
START
Signal Name Type Description
VOUT Analog output DAC output
VREFA Analog input External reference