ADUC831 Analog Devices, ADUC831 Datasheet - Page 4

• 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

SPECIFICATIONS
ADuC831
Parameter
DAC CHANNEL SPECIFICATIONS
DC ACCURACY
ANALOG OUTPUTS
REFERENCE INPUT/OUTPUT
EXTERNAL REFERENCE INPUT
Voltage Range (V
POWER SUPPLY MONITOR (PSM)
WATCHDOG TIMER (WDT)
FLASH/EE MEMORY RELIABILITY
CHARACTERISTICS
DIGITAL INPUTS
Internal Buffer Disabled
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
Gain Error
Gain Error Mismatch
Voltage Range_0
REFERENCE OUTPUT
Output Voltage (V
Accuracy
Power Supply Rejection
Reference Temperature Coefficient
Internal V
Input Impedance
Input Leakage
DV
DV
Time-out Period
Endurance
Data Retention
Input High Voltage (V
Input Low Voltage (V
Input Leakage Current (Port 0, EA)
Logic 1 Input Current
Logic 0 Input Current (Port 1, 2, 3)
Logic 1-0 Transition Current (Port 2, 3)
(All Digital Inputs)
DD
DD
Power Supply Trip Point Accuracy
Trip Point Selection Range
REF
17
Power-On Time
REF
18
10
)
REF
4
16
4
)
INL
INH
(continued)
11
)
)
4
14
4
4
15
12, 13
V
12
± 3
–1
± 1/2
± 5
–0.3
0.5
0 to V
2.5
± 2.5
47
± 100
80
0.1
V
20
1
2.63
4.37
± 3.5
0
2000
100,000
100
2.4
0.8
± 10
± 1
± 10
± 1
–75
–40
–660
–400
DD
DD
= 5 V
REF
V
12
± 3
–1
± 1/2
± 5
–0.3
0.5
0 to V
2.5
± 2.5
57
± 100
80
0.1
V
20
1
0
2000
100,000
100
2
0.4
± 10
± 1
± 10
± 1
–25
–15
–250
–140
DD
DD
–4–
= 3 V
REF
Unit
Bits
LSB typ
LSB max
LSB typ
mV max
% typ
% max
V typ
V
% max
dB typ
ppm/∞C typ
ms typ
V min
V max
kW typ
mA max
V min
V max
% max
ms min
ms max
Cycles min
Years min
V min
V max
mA max
mA typ
mA max
mA typ
mA max
mA typ
mA max
mA typ
Test Conditions/Comments
Guaranteed 12-bit Monotonic
V
V
% of Full-Scale on DAC1
DAC V
Of V
V
Internal Band Gap Deselected via
ADCCON1.6
Four Trip Points Selectable in
This Range Programmed via
TPD1–0 in PSMCON
Nine Time-out Periods
Selectable in This Range
V
V
V
V
V
V
V
REF
REF
REF
IN
IN
IN
IN
IL
IL
IL
= 450 mV
= 2 V
= 2 V
= 0 V or V
= 0 V or V
= V
= V
REF
Range
Range
and C
REF
DD
DD
Measured at the C
= 2.5 V
REF
DD
DD
Pins Shorted
REF
REV. 0
Pin