ADUC831 Analog Devices, ADUC831 Datasheet - Page 12

• Manufacturer Part Number: ADUC831
• Description: Precision Analog Microcontroller: 1.3MIPS 8052 MCU + 62kB Flash + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC831

• Mcu Core: 8052
• Mcu Speed (mips): 1.3
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 8
• Other: PWM

ADuC831
TPC 7. Typical Worst Case DNL Error vs. V
–0.4
–0.8
–0.4
–0.8
–0.2
–0.6
–1.0
–0.2
–0.6
–1.0
–0.2
–0.4
–0.6
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0.6
0.4
0.2
0
0
0
0
0
TPC 5. Typical DNL Error, V
TPC 6. Typical DNL Error, V
511
511
0.5
1023
1023
1.0
EXTERNAL REFERENCE – V
1535
1535
ADC CODES
ADC CODES
1.5
2047
2047
2.0
2559
2559
AV
f
DD
DD
2.5
AV
3071
AV
S
f
f
3071
S
S
= 152kHz
DD
= 152kHz
= 152kHz
DD
= 5 V
DD
= 3 V
WCP DNL
/ DV
/DV
/DV
WCN DNL
REF
3583
3583
DD
5.0
DD
DD
, V
= 5V
= 3V
= 5V
DD
4095
4095
= 5 V
0.6
–0.2
–0.4
0.4
0.2
–0.6
0
–12–
TPC 8. Typical Worst Case DNL Error vs. V
–0.1
–0.3
–0.5
–0.7
0.7
0.5
0.3
0.1
10000
10000
8000
6000
4000
2000
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
0
TPC 10. Code Histogram Plot, V
TPC 9. Code Histogram Plot, V
0.5
817
817
1.0
EXTERNAL REFERENCE – V
818
818
1.5
CODE
CODE
819
819
2.0
2.5
AV
f
S
820
820
= 152kHz
DD
WCN DNL
DD
WCP DNL
DD
/DV
3.0
= 5 V
DD
= 3 V
REF,
= 3V
821
821
V
DD
0.7
0.5
0.3
0.1
–0.1
–0.3
–0.5
–0.7
REV. 0
= 3 V