108
XMEGA C3 [DATASHEET]
8492F–AVR–07/2013
Table 33-68. Accuracy characteristics.
Notes:
1.
Maximum numbers are based on characterisation and not tested in production, and valid for 5% to 95% input voltage range.
2.
Unless otherwise noted all linearity, offset and gain error numbers are valid under the condition that external VREF is used.
Symbol
Parameter
Min.
Typ.
Max.
Units
RES
Resolution
12-bit resolution
Differential
8
12
Bits
Single ended signed
7
11
Single ended unsigned
8
12
Integral non-linearity
Differential mode
16ksps, VREF = 3V
0.5
1
lsb
16ksps, all VREF
0.8
2
300ksps, V
REF = 3V
0.6
1
300ksps, all VREF
1.0
2
Single ended
unsigned mode
16ksps, VREF = 3.0V
0.5
1
16ksps, all V
REF
1.3
2
Differential non-linearity
Differential mode
16ksps, VREF = 3V
0.3
1
16ksps, all VREF
0.5
1
300ksps, V
REF = 3V
0.3
1
300ksps, all VREF
0.5
1
Single ended
unsigned mode
16ksps, VREF = 3.0V
0.6
1
16ksps, all V
REF
0.6
1
Offset error
Differential mode
300ksps, VREF=3V
-7
mV
Temperature drift, VREF=3V
0.01
mV/K
Operating voltage drift
0.16
mV/V
Gain error
Differential mode
External reference
-5
mV
AVCC/1.6
-5
AV
CC/2.0
-6
Bandgap
±10
Temperature drift
0.02
mV/K
Operating voltage drift
2
mV/V
Gain error
Single ended
unsigned mode
External reference
-8
mV
AVCC/1.6
-8
AV
CC/2.0
-8
Bandgap
±10
Temperature drift
0.03
mV/K
Operating voltage drift
2
mV/V