ADUC7028 Analog Devices, ADUC7028 Datasheet - Page 31

• Manufacturer Part Number: ADUC7028
• Manufacturer: Analog Devices

Specifications of ADUC7028

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Flash (kbytes): 62Bytes
• Sram (bytes): 8192Bytes
• Gpio Pins: 40
• Adc # Channels: 8

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
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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