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ADUC831BCP Datasheet(PDF) 4 Page - Analog Devices

Part # ADUC831BCP
Description  MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU
PDF  76 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADUC831BCP Datasheet(HTML) 4 Page - Analog Devices

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



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