Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers Arkusz Danych Strona 79

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79
XMEGA E5 [DATASHEET]
Atmel-8153J–AVR-ATxmega8E5-ATxmega16E5-ATxmega32E5_Datasheet–11/2014
36.7 DAC Characteristics
Table 36-11. Power Supply, Reference, and Output Range
Table 36-12. Clock and Timing
Gain error
0.5x gain -1
%
1x gain -1
8x gain -1
64x gain -1.5
Offset error,
input referred
0.5x gain 10
mV
1x gain 5
8x gain 5
64x gain 5
Symbol Parameter Condition Min. Typ. Max. Units
AV
CC
Analog supply voltage V
CC
- 0.3 V
CC
+ 0.3
AV
REF
External reference voltage 1.0 V
CC
- 0.6 V
R
channel
DC output impedance 50
Linear output voltage range 0.15 V
REF
-0.15 V
R
AREF
Reference input resistance >10 M
C
AREF
Reference input capacitance Static load 7 pF
Minimum Resistance load 1 k
Maximum capacitance load
100 pF
1000 serial resistance 1 nF
Output sink/source
Operating within accuracy
specification
AV
CC
/1000
mA
Safe operation 10
Symbol Parameter Condition Min. Typ. Max. Units
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 0 500
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