Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers Fiche technique Page 81

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XMEGA E5 [DATASHEET]
Atmel-8153J–AVR-ATxmega8E5-ATxmega16E5-ATxmega32E5_Datasheet–11/2014
36.9 Bandgap and Internal 1.0V Reference Characteristics
Table 36-15. Bandgap and Internal 1.0V Reference Characteristics
36.9.1 Brownout Detection Characteristics
64-Level Voltage Scaler Integral non-
linearity (INL)
0.3 0.5 lsb
Current source accuracy after calibration 5 %
Current source calibration range Single mode 4 6
µA
Current source calibration range Double mode 8 12
Symbol Parameter Condition Min. Typ. Max. Units
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 Bandgap voltage 1.1
V
INT1V
Internal 1.00V reference for ADC and
DAC
T= 25°C, after calibration 0.99 1.0 1.01
Variation over voltage and temperature Calibrated at T= 25°C ±3 %
Symbol Parameter Condition Min. Typ. Max. Units
V
BOT
BOD level 0 falling V
CC
1.50 1.65 1.75
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 1.0 ms
V
HYST
Hysteresis
BOD level 0 - 7. Min value measured
at BOD level 0
1.0 %
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