Datasheet

110
XMEGA D4 [DATASHEET]
8135P–AVR–01/2014
32.3.8 Bandgap and Internal 1.0V Reference Characteristics
Table 32-69. Bandgap and Internal 1.0V reference characteristics.
32.3.9 Brownout Detection Characteristics
Table 32-70. Brownout detection characteristics.
Symbol Parameter Condition Min. Typ. Max. Units
Startup time
As reference for ADC 1 Clk
PER
+ 2.5µs
µs
As input voltage to ADC and AC 1.5
Bandgap voltage 1.1
V
INT1V Internal 1.00V reference T= 85°C, after calibration 0.99 1.0 1.01
Variation over voltage and temperature Relative to T= 85°C, V
CC
= 3.0V ±1.5 %
Symbol Parameter Condition Min. Typ. Max. Units
V
BOT
BOD level 0 falling V
CC
1.60 1.62 1.72
V
BOD level 1 falling V
CC
1.8
BOD level 2 falling V
CC
2.0
BOD level 3 falling V
CC
2.2
BOD level 4 falling V
CC
2.4
BOD level 5 falling V
CC
2.6
BOD level 6 falling V
CC
2.8
BOD level 7 falling V
CC
3.0
t
BOD
Detection time
Continuous mode 0.4
µs
Sampled mode 1000
V
HYST
Hysteresis 1.2 %