Datasheet

79
XMEGA B1 [DATASHEET]
Atmel-8330H-AVR-ATxmega64B1-128B1_datasheet–12/2014
36.8 Analog Comparator Characteristics
Table 36-13. Analog Comparator Characteristics
36.9 Bandgap and Internal 1.0V Reference Characteristics
Table 36-14. Bandgap and Internal 1.0V Reference Characteristics
Symbol Parameter Condition Min. Typ. Max. Units
V
off
Input offset voltage 10 mV
I
lk
Input leakage current <10 50 nA
Input voltage range 0.1 AV
CC
- 0.1 V
AC startup time 50 µs
V
hys1
Hysteresis, none V
CC
= 1.6V - 3.6V 0
mVV
hys2
Hysteresis, small V
CC
= 1.6V - 3.6V 12
V
hys3
Hysteresis, large V
CC
= 1.6V - 3.6V 28
t
delay
Propagation delay
V
CC
= 3.0V, T= 85°C 22 30
ns
V
CC
= 1.6V - 3.6V 21 40
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
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 for ADC T= 85°C, after calibration 0.99 1 1.01
Variation over voltage and temperature Calibrated at T= 85°C 2.25 %