ADUC841 Analog Devices, ADUC841 Datasheet - Page 14

• Manufacturer Part Number: ADUC841
• Description: Precision Analog Microcontroller: 20MIPS 8052 Flash MCU + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC841

• Mcu Core: 8052
• Mcu Speed (mips): 20
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 8
• Other: PWM

ADuC841/ADuC842/ADuC843
–0.1
–0.3
–0.5
–0.7
–0.2
–0.4
–0.6
0.7
0.5
0.3
0.1
0.6
0.4
0.2
10000
0
8000
6000
4000
2000
Figure 13. Typical Worst-Case DNL Error vs. V
Figure 14. Typical Worst-Case DNL Error vs. V
0
0.5
0.5
817
Figure 15. Code Histogram Plot, V
1.0
1.0
EXTERNAL REFERENCE (V)
EXTERNAL REFERENCE (V)
818
1.5
1.5
CODE
819
2.0
2.0
AV
f
2.5
S
2.5
AV
= 152kHz
f
820
DD
S
DD
= 152kHz
DD
/DV
WCP DNL
= 5 V
WCN DNL
REF
WCN DNL
REF
/DV
WCP DNL
DD
5.0
, V
, V
3.0
DD
DD
DD
= 5V
= 3V
= 5 V
= 3 V
821
0.6
–0.2
–0.4
–0.6
0.4
0.2
0
0.7
0.5
0.3
0.1
–0.1
–0.3
–0.5
–0.7
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10000
–100
–120
–140
–160
–100
–120
–140
–160
9000
8000
7000
6000
5000
4000
3000
2000
1000
–20
–40
–60
–80
–20
–40
–60
–80
20
20
0
0
0
0
0
817
Figure 17. Dynamic Performance at V
Figure 18. Dynamic Performance at V
Figure 16. Code Histogram Plot, V
10
10
20
20
818
FREQUENCY (kHz)
FREQUENCY (kHz)
30
30
CODE
819
40
40
AV
f
f
SNR = 71.3dB
THD = –88.0dB
ENOB = 11.6
820
S
IN
50
DD
50
= 152kHz
DD
AV
f
f
SNR = 71.0dB
THD = –83.0dB
ENOB = 11.5
= 9.910kHz
DD
DD
S
IN
= 3 V
= 149.79kHz
/DV
DD
= 9.910kHz
= 5 V
= 3 V
/DV
DD
60
60
DD
= 5V
821
= 3V
70
70