ATXMEGA128B1 Datasheet, PDF (77/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

36.8 Analog Comparator Characteristics
Table 36-13. 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
V_hys3
Hysteresis, none
Hysteresis, small
Hysteresis, large
t_delay Propagation delay
64-Level Voltage Scaler Integral non-
linearity (INL)
V_CC = 1.6V - 3.6V
V_CC = 1.6V - 3.6V
V_CC = 1.6V - 3.6V
V_CC = 3.0V, T= 85°C
V_CC = 1.6V - 3.6V
Current source accuracy after calibration
Current source calibration range
Single mode
Current source calibration range
Double mode
Min.
0.1
4
8
Typ.
10
<10
50
0
12
28
22
21
0.3
5
Max.
50
AV_CC- 0.1
Units
mV
nA
V
µs
mV
30
ns
40
0.5
lsb
%
6
µA
12
36.9 Bandgap and Internal 1.0V Reference Characteristics
Table 36-14. Bandgap and internal 1.0V reference characteristics.
Symbol Parameter
Startup time
INT1V
Bandgap voltage
Internal 1.00V reference for ADC
Variation over voltage and temperature
Condition
As reference for ADC
As input voltage to ADC and AC
T= 85°C, After calibration
Calibrated at T= 85°C
Min
Typ
Max
1 Clk_PER + 2.5µs
1.5
1.1
0.99
1
1.01
2.25
Units
µs
V
%
XMEGA B1 [DATASHEET] 77
8330C–AVR–07/2012