Datasheet

XMEGA A4U [DATASHEET]
Atmel-8387G-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet_03/2014
100
Note: 1. Maximum numbers are based on characterisation and not tested in production, and valid for 5% to 95% input voltage range.
36.2.7 DAC Characteristics
Table 36-44. Power supply, reference and output range.
Table 36-45. Clock and timing.
Offset error,
input referred
1x gain, normal mode -2.0
mV8x gain, normal mode -5.0
64x gain, normal mode -4.0
Noise
1x gain, normal mode
V
CC
= 3.6V
Ext. V
REF
0.5
mV
rms
8x gain, normal mode 1.5
64x gain, normal mode 11
Symbol Parameter Condition Min. Typ. Max. Units
Symbol Parameter Condition Min. Typ. Max. Units
AV
CC
Analog supply voltage V
CC
- 0.3 V
CC
+ 0.3 V
AV
REF
External reference voltage 1.0 V
CC
- 0.6 V
R
channel
DC output impedance 50 
Linear output voltage range 0.15 AV
CC
-0.15 V
R
AREF
Reference input resistance >10 M
CAREF Reference input capacitance Static load 7.0 pF
Minimum Resistance load 1.0 k
Maximum capacitance load
100 pF
1000 serial resistance 1.0 nF
Output sink/source
Operating within accuracy specification AV
CC
/1000
mA
Safe operation 10
Symbol Parameter Condition Min. Typ. Max. Units
f
DAC
Conversion rate
C
load
=100pF,
maximum step size
Normal mode 0 1000
ksps
Low power mode 500