Datasheet

71
XMEGA D4 [DATASHEET]
8135P–AVR–01/2014
Table 32-11. Gain stage characteristics.
32.1.7 Analog Comparator Characteristics
Table 32-12. Analog Comparator characteristics.
R
in
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
Clk
ADC
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 10
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 -150
Symbol Parameter Condition Min. Typ. Max. Units
V
off
Input offset voltage V
CC
=1.6V - 3.6V <±10 mV
I
lk
Input leakage current V
CC
=1.6V - 3.6V <1 nA
Input voltage range -0.1 AV
CC
V
AC startup time 100 µs
V
hys1
Hysteresis, none V
CC
=1.6V - 3.6V 0
mVV
hys2
Hysteresis, small V
CC
=1.6V - 3.6V 11
V
hys3
Hysteresis, large V
CC
=1.6V - 3.6V 26
t
delay
Propagation delay
V
CC
= 3.0V, T= 85°C 16 90
ns
V
CC
=1.6V - 3.6V 16
64-level voltage scaler Integral non-linearity (INL) 0.3 0.5 lsb