ATXMEGA256A3_1012 Datasheet, PDF (68/134 Pages) ATMEL Corporation – 8/16-bit XMEGA A3 Microcontroller

XMEGA A3
34.6 DAC Characteristics
Table 34-7. DAC Characteristics
Symbol Parameter
INL Integral Non-Linearity
DNL Differential Non-Linearity
F_clk
AREF
Conversion rate
External reference voltage
Reference input impedance
Max output voltage
Min output voltage
Offset factory calibration accuracy
Gain factory calibration accuracy
Condition
V_CC = 1.6-3.6V
V_CC = 1.6-3.6V
VREF = Ext. ref
VREF = Ext. ref
VREF= AV_CC
R_load=100kΩ
R_load=100kΩ
Continues mode, V_CC=3.0V,
VREF = Int 1.00V, T=85°C
Min
Typ
5
<±1
Max Units
LSB
1000 ksps
1.1
AV_CC-0.6
V
>10
MΩ
AV_CC*0.98
V
0.015
±0.5
LSB
±2.5
34.7 Analog Comparator Characteristics
Table 34-8. Analog Comparator Characteristics
Symbol Parameter
Condition
Min
Typ
Max Units
V_off
I_lk
V_hys1
V_hys2
V_hys3
Input Offset Voltage
Input Leakage Current
Hysteresis, No
Hysteresis, Small
Hysteresis, Large
t_delay Propagation delay
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 3.0V, T= 85°C
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
mode = HS
mode = HS
mode = HS
mode = HS
mode = LP
<±10
mV
< 1000
pA
0
20
mV
40
100
110
ns
175
34.8 Bandgap Characteristics
Table 34-9. Bandgap Voltage Characteristics
Symbol Parameter
Condition
Bandgap startup time
As reference for ADC or DAC
As input to AC or ADC
Bandgap voltage
INT1V Internal 1.00V reference
T= 85°C, After calibration
Variation over voltage and temperature V_CC = 1.6 - 3.6V, T = -40°C to 85°C
Min
Typ
Max
1 Clk_PER + 2.5µs
1.5
1.1
0.99
1
1.01
±2
Units
µs
V
%
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