ADUC843 Analog Devices, ADUC843 Datasheet - Page 13

• Manufacturer Part Number: ADUC843
• Description: Precision Analog Microcontroller: 16MIPS 8052 Flash MCU + 8-Ch 12-Bit ADC
• Manufacturer: Analog Devices

Specifications of ADUC843

• Mcu Core: 8052
• Mcu Speed (mips): 16
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 8
• Other: PWM

–0.2
–0.4
–0.6
1.2
1.0
0.8
0.6
0.4
0.2
–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
0
0
0
0
Figure 9. Typical Worst-Case INL Error vs. V
Figure 7. Typical INL Error, V
Figure 8. Typical INL Error, V
0.5
511
511
1023
1023
1.0
EXTERNAL REFERENCE (V)
1535
1535
1.5
ADC CODES
ADC CODES
2047
2047
2.0
DD
DD
2559
= 5 V, f
2559
= 3 V, f
WCN INL
2.5
WCP INL
AV
f
AV
f
CD = 4
AV
f
CD = 4
S
S
S
S
S
3071
3071
= 152kHz
= 400kHz
= 400kHz
DD
DD
= 400 kHz
DD
= 400 kHz
REF
/DV
/DV
/DV
, V
5.0
DD
DD
DD
DD
3583
3583
= 5V
= 5 V
= 5V
= 3V
4095
4095
0.6
0.4
0.2
–0.2
–0.4
–0.6
0
Rev. 0 | Page 13 of 88
–0.2
–0.4
–0.6
–0.8
0.8
0.6
0.4
0.2
–0.4
–0.8
–0.2
–0.6
–1.0
–0.4
–0.8
–0.2
–0.6
–1.0
0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
Figure 10. Typical Worst-Case INL Error vs. V
0
0
0.5
511
511
Figure 11. Typical DNL Error, V
Figure 12. Typical DNL Error, V
1023
1023
1.0
ADuC841/ADuC842/ADuC843
EXTERNAL REFERENCE (V)
1535
1535
1.5
ADC CODES
ADC CODES
2047
2047
2.0
2559
2559
WCN INL
2.5
WCP INL
DD
DD
AV
f
S
AV
f
3071
= 5 V
AV
f
3071
= 3 V
DD
= 152kHz
S
S
REF
= 152kHz
= 152kHz
DD
/DV
DD
, V
3.0
/DV
/DV
DD
DD
3583
3583
DD
DD
= 3V
= 3 V
= 5V
= 3V
4095
4095
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8