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參數(shù)資料
型號(hào): ADUC832BSZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 67/92頁(yè)
文件大?。?/td> 0K
描述: IC ADC/DAC 12BIT W/MCU 52MQFP
產(chǎn)品培訓(xùn)模塊: Process Control
標(biāo)準(zhǔn)包裝: 1
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 16MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設(shè)備: PSM,溫度傳感器,WDT
輸入/輸出數(shù): 34
程序存儲(chǔ)器容量: 62KB(62K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 52-QFP
包裝: 托盤
產(chǎn)品目錄頁(yè)面: 738 (CN2011-ZH PDF)
Data Sheet
ADuC832
Rev. B | Page 7 of 92
Parameter1
VDD = 5 V
VDD = 3 V
Unit
Test Conditions/Comments
DAC CHANNEL SPECIFICATIONS12, 13, INTERNAL BUFFER
DISABLED
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
0.3
% typ
VREF range
Gain Error Mismatch4
0.5
% max
% 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 typ
Accuracy
±2.5
% max
Of VREF measured at the CREF pin
Power Supply Rejection
47
dB typ
Reference Temperature Coefficient
±100
ppm/°C
typ
Internal VREF Power-On Time
80
ms typ
External Reference Input15
VREF and CREF pins shorted
Voltage Range (VREF)4
0.1
V min
VDD
V max
Input Impedance
20
kΩ typ
Input Leakage
1
μA 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 this range
4.37
V max
programmed via TPD1 and TPD0 in PSMCON
DVDD Power Supply Trip Point Accuracy
±3.5
% max
WATCHDOG TIMER (WDT)4
Timeout Period
0
ms min
Nine timeout periods
2000
ms max
Selectable in this range
FLASH/EE MEMORY RELIABILITY CHARACTERISTICS16
Endurance17
100,000
Cycles min
Data Retention18
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
μA max
VIN = 0 V or VDD
±1
μA typ
VIN = 0 V or VDD
Logic 1 Input Current (All Digital Inputs)
±10
μA max
VIN = VDD
±1
μA typ
VIN = VDD
Logic 0 Input Current (Port 1, Port 2, and Port 3)
75
25
μA max
40
15
μA typ
VIL = 450 mV
Logic 1-to-Logic 0 Transition Current (Port 2, Port 3)
660
250
μA max
VIL = 2 V
400
140
μA typ
VIL = 2 V
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