參數(shù)資料
型號： R83C154DTXXX-30R
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44
封裝： LCC-44
文件頁數(shù)： 71/108頁
文件大?。?/td> 3682K
代理商： R83C154DTXXX-30R
65
8069R–AVR–06/2013
XMEGA A4
Not recommended for new designs -
Use XMEGA A4U series
34.5
ADC Characteristics
Note:
1. Refer to ”Bandgap Characteristics” on page 66 for more parameter details.
Table 34-5.
ADC Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
RES
Resolution
Programmable: 8/12
8
12
Bits
INL
Integral Non-Linearity
500 ksps
-5
±2
5
LSB
DNL
Differential Non-Linearity
500 ksps
< ±1
Gain Error
< ±10
mV
Offset Error
< ±2
ADC
clk
ADC Clock frequency
Max is 1/4 of Peripheral Clock
2000
kHz
Conversion rate
2000
ksps
Conversion time
(propagation delay)
(RES+2)/2+GAIN
RES = 8 or 12, GAIN = 0 or 1
57
8
ADC
clk
cycles
Sampling Time
1/2 ADC
clk cycle
0.25
uS
Conversion range
0
VREF
V
AVCC
Analog Supply Voltage
V
cc-0.3
V
cc+0.3
VREF
Reference voltage
1.0
V
cc-0.6V
Input bandwidth
kHz
INT1V
Internal 1.00V reference(1)
1.00
V
INTVCC
Internal V
CC/1.6
V
CC/1.6
SCALEDVCC
Scaled internal V
CC/10 input
V
CC/10
R
AREF
Reference input resistance
> 10
M
Start-up time
12
24
ADC
clk
cycles
Internal input sampling speed
Temp. sensor, V
CC/10, Bandgap
100
ksps
Table 34-6.
ADC Gain Stage Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Gain error
1 to 64 gain
< ±1
%
Offset error
< ±1
mV
Vrms
Noise level at input
64x gain
VREF = Int. 1V
0.12
VREF = Ext. 2V
0.06
Clock rate
Same as ADC
1000
kHz
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