VDD = 5 V
參數(shù)資料
型號: EVAL-ADUC842QSPZ
廠商: Analog Devices Inc
文件頁數(shù): 34/88頁
文件大小: 0K
描述: KIT DEV QUICK START ADUC842
標準包裝: 1
系列: QuickStart™ PLUS 套件
類型: MCU
適用于相關(guān)產(chǎn)品: ADuC842
所含物品: 評估板、電源、纜線、軟件、仿真器和說明文檔
ADuC841/ADuC842/ADuC843
Rev. 0 | Page 4 of 88
Parameter
VDD = 5 V
VDD = 3 V
Unit
Test Conditions/Comments
DAC AC CHARACTERISTICS
Voltage Output Settling Time
15
s typ
Full-scale settling time to within
LSB of final value
Digital-to-Analog Glitch Energy
10
nV-sec typ
1 LSB change at major carry
DAC CHANNEL SPECIFICATIONS12, 13
Internal Buffer Disabled ADuC841/ADuC842 Only
DC ACCURACY10
Resolution
12
Bits
Relative Accuracy
±3
LSB typ
Differential Nonlinearity11
–1
LSB max
Guaranteed 12-bit monotonic
±1/2
LSB typ
Offset Error
±5
mV max
VREF range
Gain Error
±0.5
% typ
VREF range
Gain Error Mismatch4
0.5
% typ
% of full-scale on DAC1
ANALOG OUTPUTS
Voltage Range_0
0 to VREF
V typ
DAC VREF = 2.5 V
REFERENCE INPUT/OUTPUT REFERENCE OUTPUT14
Output Voltage (VREF)
2.5
V
Accuracy
±10
mV Max
Of VREF measured at the CREF pin
TA = 25°C
Power Supply Rejection
65
67
dB typ
Reference Temperature Coefficient
±15
ppm/°C typ
Internal VREF Power-On Time
2
ms typ
EXTERNAL REFERENCE INPUT15
Voltage Range (VREF) 4
1
V min
VDD
V max
Input Impedance
20
k typ
Input Leakage
1
A max
Internal band gap deselected via
ADCCON1.6
POWER SUPPLY MONITOR (PSM)
DVDD Trip Point Selection Range
2.93
3.08
V min
V max
Two trip points selectable in this
range programmed via TPD1–0 in
PSMCON, 3 V part only
DVDD Power Supply Trip Point Accuracy
±2.5
% max
WATCHDOG TIMER (WDT) 4
Timeout Period
0
2000
0
2000
ms min
ms max
Nine timeout periods selectable in
this range
FLASH/EE MEMORY RELIABILITY CHARACTERISTICS16
Endurance17
100,000
Cycles min
Data Retention18
100
Years min
DIGITAL INPUTS
Input Leakage Current (Port 0, EA)
±10
A max
VIN = 0 V or VDD
±1
A typ
VIN = 0 V or VDD
Logic 1 Input Current
(All Digital Inputs), SDATA, SCLOCK
±10
A max
VIN = VDD
±1
A typ
VIN = VDD
Logic 0 Input Current (Ports 1, 2, 3) SDATA, SCLOCK
–75
–25
A max
–40
–15
A typ
VIL = 450 mV
Logic 1 to Logic 0 Transition Current (Ports 2 and 3)
–660
–250
A max
VIL = 2 V
RESET
–400
±10
10
105
–140
±10
5
35
A typ
A max
A min
A max
VIL = 2 V
VIN = 0 V
VIN = 5 V, 3 V Internal Pull Down
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