VDD = 5 V V
參數(shù)資料
型號(hào): ADUC814ARU
廠商: Analog Devices Inc
文件頁數(shù): 45/72頁
文件大?。?/td> 0K
描述: IC ADC 12BIT W/FLASH MCU 28TSSOP
標(biāo)準(zhǔn)包裝: 50
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 16.78MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PSM,溫度傳感器,WDT
輸入/輸出數(shù): 17
程序存儲(chǔ)器容量: 8KB(8K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 640 x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x12b; D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
包裝: 管件
配用: EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR
ADuC814
Rev. A | Page 5 of 72
Parameter
VDD = 5 V
VDD = 3 V
Unit
Test Conditions
TEMPERATURE MONITOR9
Voltage Output at 25C
650
mV typ
Voltage TC
–2
mV/C typ
Accuracy
3
C typ
2.5 V internal reference
Accuracy
1.5
C typ
2.5 V external reference
DAC CHANNEL SPECIFICATIONS
DAC Load to AGND RL = 10 k, CL = 100 pF
DC ACCURACY10
Resolution
12
Bits
Relative Accuracy
+3
LSB typ
Differential Nonlinearity11
–1
LSB max
Guaranteed montonic
1/2
LSB typ
Offset Error
50
mV max
VREF range
Gain Error
1
% max
VREF range
1
% typ
AVDD range
Gain Error Mismatch
0.5
% typ
Of full scale on DAC1
ANALOG OUTPUTS
Voltage Range_0
0 to VREF
Volts
DAC VREF = 2.5 V
Voltage Range_1
0 to VDD
Volts
DAC VREF = VDD
Output Impedance
0.5
typ
ISINK
50
A typ
DAC AC Specifications
Voltage Output Settling Time
15
s typ
Full-scale settling time to within LSB of final
value
Digital-to-Analog Glitch Energy
10
nVs typ
1 LSB change at major carry
REFERENCE INPUT/OUTPUT
REFERENCE OUTPUT
Output Voltage (VREF)
2.5
V
Accuracy
2.5
% max
Of VREF measured at the CREF pin
Power Supply Rejection
47
57
dB typ
Reference Tempco
100
ppm/C typ
Internal VREF Power-On Time12
80
ms typ
EXTERNAL REFERENCE INPUT13
Internal band gap reference deselected via
ADCCON2.6
Voltage Range (VREF)14
1.0
V min
VDD
V max
Input Impedance
20
k typ
Input Leakage
10
A max
POWER SUPPLY MONITOR (PSM)
VDD Trip Point Selection Range
2.63
V
2.93
V
Four trip points selectable in this range
3.08
V
programmed via TP1–0 in PSMCON
4.63
V
VDD Power Supply Trip Point Accuracy
3.5
% max
WATCH DOG TIMER (WDT)14
Timeout Period
0
ms min
Nine time-out periods selectable in this range
2000
ms max
programmed via PRE3–0 in WDCON
LOGIC INPUTS
INPUT VOLTAGES14
All Inputs except SCLOCK, RESET, and
XTAL1
VINL, Input Low Voltage
0.8
0.4
V max
VINH, Input High Voltage
2.0
V min
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