ADUC832 Analog Devices, ADUC832 Datasheet - Page 27

• Manufacturer Part Number: ADUC832
• Description: Precision Analog Microcontroller: 1.3MIPS 8052 MCU + 62kB Flash + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC832

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

–0.2
–0.4
–0.6
–0.1
–0.3
–0.5
–0.7
0.6
0.4
0.2
0.7
0.5
0.3
0.1
0
10,000
8000
6000
4000
2000
Figure 22. Typical Worst-Case DNL Error vs. V
Figure 23. Typical Worst-Case DNL Error vs. V
0
0.5
0.5
817
Figure 24. 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
2.5
2.5
AV
f
AV
f
S
820
S
= 152kHz
DD
DD
= 152kHz
DD
WCP DNL
WCN DNL
WCN DNL
WCP DNL
/DV
= 5 V
/DV
REF
REF
3.0
5.0
, V
DD
, V
DD
DD
DD
= 3V
= 5V
821
= 5 V
= 3 V
0.7
0.5
0.3
0.1
–0.1
–0.3
–0.5
–0.7
0.6
–0.2
–0.4
0.4
0.2
–0.6
0
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10,000
–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 26. Dynamic Performance at V
Figure 27. Dynamic Performance at V
Figure 25. Code Histogram Plot, V
10
10
20
20
818
FREQUENCY (kHz)
FREQUENCY (kHz)
30
30
CODE
819
40
40
820
50
50
DD
AV
f
f
SNR = 71.0dB
THD = –83.0dB
ENOB = 11.5
AV
f
f
SNR = 71.3dB
THD = –88.0dB
ENOB = 11.6
S
IN
S
IN
DD
DD
= 3 V
= 149.79kHz
= 152kHz
DD
DD
= 9.910kHz
= 9.910kHz
= 5 V
= 3 V
/DV
/DV
60
60
ADuC832
DD
DD
821
= 3V
= 5V
70
70