參數(shù)資料
型號: ADUC814ARUZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 5/72頁
文件大?。?/td> 0K
描述: IC MCU FLASH 12BIT ADC 28TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 16.78MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PSM,溫度傳感器,WDT
輸入/輸出數(shù): 17
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 640 x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x12b; D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
配用: EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR
ADuC814
Rev. A | Page 13 of 72
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.
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
LSBs
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
02748-A
-010
AVDD/DVDD = 5V
fS = 152kHz
Figure 3. Typical INL Error, VDD = 5 V
ADC CODES
LSBs
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
02748-A
-011
AVDD/DVDD = 3V
fS = 152kHz
Figure 4. Typical INL Error, VDD = 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
WCP
IN
L
(LS
B
s
)
0.8
0.4
0
–0.4
–0.6
1.0
0.6
0.2
–0.2
AVDD /DVDD = 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
WCN
IN
L
(LS
B
s
)
WCN INL
WCP INL
02748-A
-012
Figure 5. Typical Worst-Case INL Error vs. VREF, VDD = 5 V
EXTERNAL REFERENCE (V)
WCP–I
N
L
(LS
B
s
)
0.8
0.4
0
–0.4
–0.8
0.6
0.2
–0.2
AVDD/DVDD = 3V
f
S = 152kHz
0.5
1.5
2.5
WCN
IN
L
(LS
B
s
)
–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
02748-A
-013
Figure 6. Typical Worst-Case INL Error vs. VREF, VDD = 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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