ATXMEGA128A4U-AU Datasheet, PDF (72/121 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A4U Microcontroller

XMEGA A4U
35.8 Analog Comparator Characteristics
Table 35-8. Analog Comparator Characteristics
Symbol Parameter
Condition
V_off
Input Offset Voltage
I_lk
Input Leakage Current
Input voltage range
AC startup time
V_hys1
V_hys2
Hysteresis, None
Hysteresis, Small
mode = High Speed (HS)
mode = Low Power (LP)
V_hys3 Hysteresis, Large
mode = HS
mode = LP
t_delay Propagation delay
V_CC = 3.0V, T= 85°C
mode = HS
V_CC = 3.0V, T= 85°C
mode = LP
mode = HS
mode = LP
64-Level Voltage Scaler
Integral non-linearity (INL)
Current source accuracy after calibration
Current source calibration range
Min
Typ
Max
Units
<±10
mV
<1000
pA
-0.1
AV_CC+ 0.1
V
100
µs
0
14
30
mV
30
60
90
100
95
ns
200
500
200
0.5
1
LSB
5
%
4
6
µA
35.9 Bandgap and Internal 1.0V Reference Characteristics
Table 35-9. Bandgap and Internal 1.0V Reference Characteristics
Symbol Parameter
Condition
Startup time
As reference for ADC or DAC
As input voltage to ADC and AC
Bandgap voltage
INT1V Internal 1.00V reference
T= 85°C, After calibration
Variation over voltage and temperature
Min
Typ
Max
1 Clk_PER + 2.5µs
1.5
1.1
0.99
1
1.01
±0.5
Units
µs
V
%
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8387A–AVR–07/11