ADUC847 Analog Devices, ADUC847 Datasheet - Page 37

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ADUC847

Manufacturer Part Number
ADUC847
Description
Precision Analog Microcontroller: 12MIPS 8052 Flash MCU + 10-Ch 24-Bit ADC + 12-Bit DAC
Manufacturer
Analog Devices
Datasheet

Specifications of ADUC847

Mcu Core
8052
Mcu Speed (mips)
12
Sram (bytes)
2304Bytes
Gpio Pins
34
Adc # Channels
10
Other
PWM

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TYPICAL PERFORMANCE CHA
–100
–110
–120
–110
–130
–150
–100
–110
–120
–10
–20
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–90
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–90
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Figure 20. 50 Hz Normal Mode Rejection vs. SF Word, Chop On
0
0
10
0
0
Figure 19. Filter Response, Chop On, SF = 255 Decimal
Figure 18. Filter Response, Chop On, SF = 69 Decimal
30
10
10
50
20
20
70
30
30
90 110
40
40
FREQUENCY (Hz)
FREQUENCY (Hz)
SF (Decimal)
50
50
130
60
60
150
170
70
70
190
80
80
RACTERISTICS
210
90
90
230
100
100
250
110
Rev. B | Page 37 of 108
–100
–110
–120
–110
–130
–150
–190
–110
–130
–150
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–30
–50
–70
–90
–10
–30
–50
–70
10
10
0
10
Figure 21. 60 Hz Normal Mode Rejection vs. SF, Chop On
30
Figure 23. Chop Off, SF = 52H, REJ60 Enabled
Figure 22. Chop Off, Fadc = 50 Hz, SF = 52H
50
70
ADuC845/ADuC847/ADuC848
90 110
FREQUENCY (Hz)
FREQUENCY (Hz)
SF (Decimal)
130
150
170
190
210
230 250

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