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ATXMEGA128D4 Datasheet, PDF (63/100 Pages) ATMEL Corporation – 8/16-bit AVR XMEGA D4 Microcontroller
XMEGA D4
31.6 Analog Comparator Characteristics
Table 31-7. Analog Comparator Characteristics
Symbol Parameter
Condition
Voff
Ilk
Vhys1
Vhys2
Vhys3
tdelay
Input Offset Voltage
Input Leakage Current
Hysteresis, No
Hysteresis, Small
Hysteresis, Large
Propagation delay
VCC = 1.6 - 3.6V
VCC = 1.6 - 3.6V
VCC = 1.6 - 3.6V
VCC = 1.6 - 3.6V
VCC = 1.6 - 3.6V
VCC = 1.6 - 3.6V
Min
Typ
Max Units
< ±10
mV
< 1000
pA
0
20
mV
40
175
ns
31.7 Bandgap Characteristics
Table 31-8. Bandgap Voltage Characteristics
Symbol Parameter
Bandgap Startup Time
Bandgap voltage
ADC ref
Condition
As reference for ADC
As input to AC or ADC
T= 85°C, After calibration
Variation over voltage and temperature VCC = 1.6 - 3.6V, TA = -40°C to 85°C
Min
Typ
Max
1 Clk_PER + 2.5µs
1.5
1.1
0.99
1
1.01
1
±5
Units
µs
V
%
31.8 Brownout Detection Characteristics
Table 31-9. Brownout Detection Characteristics(1)
Symbol Parameter
Condition
BOD level 0 falling Vcc
BOD level 1 falling Vcc
BOD level 2 falling Vcc
BOD level 3 falling Vcc
BOD level 4 falling Vcc
BOD level 5 falling Vcc
BOD level 6 falling Vcc
BOD level 7 falling Vcc
Hysteresis
BOD level 0-5
Note: 1. BOD is calibrated to BOD level 0 at 85°C, and BOD level 0 is the default level.
Min
Typ
Max Units
1.62
1.9
2.17
2.43
V
2.68
2.96
3.22
3.49
1
%
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