ATxmega128D4-AU ATMEL [ATMEL Corporation], ATxmega128D4-AU Datasheet - Page 70

• Manufacturer Part Number: ATxmega128D4-AU
• Description: 8/16-bit Atmel XMEGA D4 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

32.6
Table 32-8.
Table 32-9.
Table 32-10. Accuracy characteristics.
8135L–AVR–06/12
Symbol
Symbol
Symbol
DNL
C
Clk
R
C
INL
AV
V
RES
f
sample
R
V
V
AREF
AREF
ΔV
ADC
REF
IN
IN
ADC
in
CC
(1)
(1)
ADC characteristics
Parameter
Analog supply voltage
Reference voltage
Input resistance
Input capacitance
Reference input resistance
Reference input capacitance
Input range
Conversion range
Conversion range
Fixed offset voltage
Parameter
ADC Clock frequency
Sample rate
Sampling Time
Conversion time (latency)
Start-up time
ADC settling time
Parameter
Resolution
Integral non-linearity
Differential non-linearity
Power supply, reference and input range.
Clock and timing.
Switched
Switched
(leakage only)
Static load
Differential mode, Vinp - Vinn
Single ended unsigned mode, Vinp
Maximum is 1/4 of Peripheral clock
frequency
Measuring internal signals
Current limitation (CURRLIMIT) off
CURRLIMIT = LOW
CURRLIMIT = MEDIUM
CURRLIMIT = HIGH
1/2 Clk
(RES+2)/2+GAIN
RES = 8 or 12, GAIN = 0, 1, 2, or 3
ADC clock cycles
After changing reference or input mode
After ADC flush
Programmable to 8 or 12 bit
50ksps
200ksps
guaranteed monotonic
ADC
cycle
V
All V
V
All V
Condition
CC
CC
Condition
Condition
-1.0V < V
-1.0V < V
REF
REF
(2)
REF
REF
< V
< V
CC
CC
-0.6V
-0.6V
V
CC
-V
Min.
Min.
0.25
Min.
-0.1
100
-ΔV
100
14
14
14
14
1
5
8
REF
- 0.3
<±0.8
Typ.
Typ.
Typ.
±1.2
±1.5
±1.0
±1.5
>10
190
4.0
4.4
12
12
7
7
7
1
XMEGA D4
AV
V
AV
V
CC
Max.
Max.
1400
Max.
V
REF
CC
<±1
CC
125
200
150
100
50
10
24
12
±3
±4
±3
±4
REF
+ 0.3
5
7
1
-
+
-ΔV
0.6
0.1
Clk
Clk
cycles
cycles
Units
Units
Units
ksps
LSB
kHz
Bits
MΩ
kΩ
lsb
pF
pF
µs
V
V
ADC
ADC
70