參數(shù)資料
型號(hào): ADUC814ARU-REEL
廠商: ANALOG DEVICES INC
元件分類: 微控制器/微處理器
英文描述: MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU
中文描述: 8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PDSO28
封裝: 4.40 X 9.70 MM, MO-153AE, TSSOP-28
文件頁(yè)數(shù): 13/72頁(yè)
文件大?。?/td> 846K
代理商: ADUC814ARU-REEL
ADuC814
TYPICAL PERFORMANCE CURVES
The typical performance plots presented in this section
illustrate typical performance of the ADuC814 under various
operating conditions. Note that all typical plots in this section
were generated using the ADuC814BRU, i.e., the B-grade part.
Rev. A | Page 13 of 72
Figure 3 and Figure 4 show typical ADC integral nonlinearity
(INL) errors from ADC Code 0 to Code 4095 at 5 V and 3 V
supplies, respectively. The ADC is using its internal reference
(2.5 V) and operating at a sampling rate of 152 kHz. The typical
worst-case errors in both plots are just less than 0.3 LSBs.
ADC CODES
L
0
–0.4
–0.3
–0.2
–0.1
0
0.1
0.4
0.3
0.2
1023
511
3583
3071
2559
2047
1535
4095
0
AV
DD
/DV
DD
= 5V
f
S
= 152kHz
Figure 3. Typical INL Error, V
DD
= 5 V
ADC CODES
L
0
–0.4
–0.3
–0.2
–0.1
0
0.1
0.4
0.3
0.2
1023
511
3583
3071
2559
2047
1535
4095
0
AV
DD
/DV
DD
= 3V
f
S
= 152kHz
Figure 4. Typical INL Error, V
DD
= 3 V
Figure 5 and Figure 6 show the variation in worst-case positive
(WCP) INL and worst-case negative (WCN) INL versus
external reference input voltage.
EXTERNAL REFERENCE (V)
1.2
W
0.8
0.4
0
–0.4
–0.6
1.0
0.6
0.2
–0.2
AV
DD
/DV
DD
= 5V
f
S
= 152kHz
0.5
1.0
1.5
2.0
2.5
5.0
0.6
0.4
0
–0.4
–0.6
0.2
–0.2
W
WCN INL
WCP INL
0
Figure 5. Typical Worst-Case INL Error vs. V
REF
, V
DD
= 5 V
EXTERNAL REFERENCE (V)
W
0.8
0.4
0
–0.4
–0.8
0.6
0.2
–0.2
AV
DD
/DV
DD
= 3V
f
S
= 152kHz
0.5
1.5
2.5
W
–0.6
0.8
0.4
0
–0.4
–0.8
0.6
0.2
–0.2
–0.6
3.0
2.0
1.0
WCN INL
WCP INL
0
Figure 6. Typical Worst-Case INL Error vs. V
REF
, V
DD
= 3 V
Figure 7 and Figure 8 show typical ADC differential nonlinearity
(DNL) errors from ADC Code 0 to Code 4095 at 5 V and 3 V
supplies, respectively. The ADC is using its internal reference
(2.5 V) and operating at a sampling rate of 152 kHz. The typical
worst-case errors in both plots are just less than 0.2 LSBs.
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