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128
XMEGA C3 [DATASHEET]
8492F–AVR–07/2013
Table 33-98. Gain stage characteristics.
33.4.7 Analog Comparator Characteristics
Table 33-99. Analog Comparator characteristics.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Rin
Input resistance
Switched in normal mode
4.0
k
C
sample
Input capacitance
Switched in normal mode
4.4
pF
Signal range
Gain stage output
0
AV
CC- 0.6
V
Propagation delay
ADC conversion rate
1/2
1
3
ClkADC
cycles
Clock frequency
Same as ADC
100
1800
kHz
Gain error
0.5x gain, normal mode
-1
%
1x gain, normal mode
-1
8x gain, normal mode
-1
64x gain, normal mode
5
Offset error,
input referred
0.5x gain, normal mode
10
mV
1x gain, normal mode
5
8x gain, normal mode
-20
64x gain, normal mode
-126
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
V
off
Input offset voltage
10
mV
Ilk
Input leakage current
<10
50
nA
Input voltage range
-0.1
AV
CC
V
AC startup time
50
s
Vhys1
Hysteresis, none
Vcc=1.6V - 3.6V
0
mV
V
hys2
Hysteresis, small
Vcc=1.6V - 3.6V
15
V
hys3
Hysteresis, large
Vcc=1.6V - 3.6V
30
t
delay
Propagation delay
VCC = 3.0V, T= 85°C
20
40
ns
V
CC = 3.0V
17
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
A