ADUC831 Analog Devices, ADUC831 Datasheet - Page 13

• 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

REV. 0
TPC 13. Typical Dynamic Performance vs. V
80
75
70
65
60
55
50
–100
–120
–140
–160
–120
–160
–100
–140
–20
–40
–60
–80
–20
–40
–60
–80
20
TPC 11. Dynamic Performance at V
TPC 12. Dynamic Performance at V
20
0
0
0
0
0.5
10
10
1.0
EXTERNAL REFERENCE – V
20
20
FREQUENCY – kHz
FREQUENCY – kHz
1.5
30
30
2.0
40
40
AV
f
2.5
S
AV
f
f
SNR = 71.3dB
THD = –88.0dB
ENOB = 11.6
AV
SNR = 71.0dB
THD = –83.0dB
ENOB = 11.5
f
f
= 152kHz
IN
DD
S
IN
50
S
50
= 152kHz
= 149.79kHz
DD
= 9.910kHz
DD
= 9.910kHz
/ DV
/ DV
/ DV
SNR
THD
DD
DD
5.0
DD
DD
60
DD
60
REF,
= 5V
= 5 V
= 3 V
= 5V
= 3V
V
DD
–70
–80
–85
70
70
–75
–100
–90
–95
= 5 V
–13–
TPC 14. Typical Dynamic Performance vs. V
TPC 16. Typical Temperature Sensor Output vs.
Temperature
80
75
70
65
60
55
50
0.75
0.65
0.60
0.50
0.45
0.40
0.80
0.70
0.55
TPC 15. Typical Dynamic Performance vs.
Sampling Frequency
80
78
76
74
72
70
68
66
64
62
60
65.476
0.5
SLOPE =
–40
AV
92.262
DD
/ DV
1.0
EXTERNAL REFERENCE – V
DD
–20
2mV/ C
119.05
= 3V
1.5
FREQUENCY – kHz
TEMPERATURE – C
145.83
0
2.0
172.62
25
2.5
AV
f
S
= 152kHz
AV
DD
199.41
ADuC831
/DV
DD
50
3.0
SNR
DD
/ DV
THD
REF,
= 3V
DD
226.19
= 5V
V
85
DD
–70
–75
–80
–85
–90
–95
–100
= 3 V