ADUC7021 Analog Devices, ADUC7021 Datasheet - Page 31
ADUC7021
Manufacturer Part Number
ADUC7021
Description
Manufacturer
Analog Devices
Datasheet
1.ADUC7029.pdf
(96 pages)
Specifications of ADUC7021
Mcu Core
ARM7 TDMI
Mcu Speed (mips)
40
Sram (bytes)
8192Bytes
Gpio Pins
13
Adc # Channels
8
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADUC7021BCPZ32/62
Manufacturer:
ADI
Quantity:
298
Part Number:
ADUC7021BCPZ62I
Manufacturer:
ADI/亚德诺
Quantity:
20 000
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 20. Typical Worst-Case (Positive (WCP) and Negative (WCN))
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
1.0
0
0
0
0
f
S
f
S
= 774kSPS
= 1MSPS
Figure 18. Typical INL Error, f
Figure 19. Typical INL Error, f
1.5
INL Error vs. V
1000
1000
EXTERNAL REFERENCE (V)
2.0
ADC CODES
ADC CODES
REF
2000
2000
, f
S
= 774 kSPS
WCP
S
S
2.5
= 774 kSPS
= 1 MSPS
3000
3000
WCN
3.0
4000
4000
0
–0.1
–0.2
–0.3
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
Rev. D | Page 31 of 96
ADuC7019/20/21/22/24/25/26/27/28/29
Figure 23. Typical Worst-Case (Positive (WCP )and Negative (WCN))
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
1.0
0
0
0
0
f
f
S
S
= 774kSPS
= 1MSPS
Figure 21. Typical DNL Error, f
Figure 22. Typical DNL Error, f
1.5
DNL Error vs. V
1000
1000
EXTERNAL REFERENCE (V)
2.0
ADC CODES
ADC CODES
REF
2000
2000
, f
S
= 774 kSPS
WCN
S
2.5
S
= 774 kSPS
= 1 MSPS
3000
3000
WCP
3.0
4000
4000
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0