Datasheet

78
[Not recommended for new designs - Use XMEGA A1U series] XMEGA A1 [DATASHEET]
8067O–AVR–06/2013
34.6 DAC Characteristics
Table 34-7. DAC characteristics.
34.7 Analog Comparator Characteristics
Table 34-8. Analog Comparator characteristics.
34.8 Bandgap Characteristics
Table 34-9. Bandgap voltage characteristics.
Symbol Parameter Condition Min Typ Max Units
INL Integral Non-Linearity V
CC
= 1.6-3.6V VREF = Ext. ref 5 LSB
DNL Differential Non-Linearity V
CC
= 1.6-3.6V
VREF = Ext. ref 0.6 <±1
LSB
VREF= AV
CC
0.6
F
clk
Conversion rate 1000 ksps
AREF External reference voltage 1.1 AV
CC
-0.6 V
Reference input impedance >10 M
Max output voltage R
load
=100k
AV
CC
*0.98
V
Min output voltage R
load
=100k 0.01 V
Symbol Parameter Condition Min Typ Max Units
V
off
Input Offset Voltage V
CC
= 1.6 - 3.6V <±5 mV
I
lk
Input Leakage Current V
CC
= 1.6 - 3.6V < 1000 pA
V
hys1
Hysteresis, No V
CC
= 1.6 - 3.6V 0 mV
V
hys2
Hysteresis, Small V
CC
= 1.6 - 3.6V mode = HS 25 mV
V
hys3
Hysteresis, Large V
CC
= 1.6 - 3.6V mode = HS 50 mV
t
delay
Propagation delay
V
CC
= 3.0V, T= 85°C mode = HS 100
nsV
CC
= 1.6 - 3.6V mode = HS 70
V
CC
= 1.6 - 3.6V mode = LP 140
Symbol Parameter Condition Min Typ Max Units
Bandgap startup time As reference for ADC or DAC 1 Clk_PER + 2.5µs µs
Bandgap voltage 1.1 V