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參數(shù)資料
型號: ADUC836BSZ
廠商: Analog Devices Inc
文件頁數(shù): 34/80頁
文件大?。?/td> 0K
描述: IC ADC DUAL 16BIT W/MCU 52-MQFP
產(chǎn)品培訓模塊: Process Control
標準包裝: 1
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 12.58MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設備: POR,PSM,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 34
程序存儲器容量: 62KB(62K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 4K x 8
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.25 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 7x16b; D/A 1x12b
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)品目錄頁面: 738 (CN2011-ZH PDF)
–4–
ADuC836
–5–
Parameter
ADuC836
Test Conditions/Comments
Unit
INTERNAL REFERENCE
ADC Reference
Reference Voltage
1.25 ± 1%
Initial Tolerance @ 25°C,VDD = 5 V
V min/max
Power Supply Rejection
45
dBs typ
Reference Tempco
100
ppm/°C typ
DAC Reference
Reference Voltage
2.5 ± 1%
Initial Tolerance @ 25°C,VDD = 5 V
V min/max
Power Supply Rejection
50
dBs typ
Reference Tempco
±100
ppm/°C typ
ANALOG INPUTS/REFERENCE INPUTS
Primary ADC
Differential Input Voltage Ranges9, 10
External Reference Voltage = 2.5 V
RN2, RN1, RN0 of ADC0CON Set to
Bipolar Mode (ADC0CON3 = 0)
±20
0 0 0 (Unipolar Mode 0 mV to 20 mV)
mV
±40
0 0 1 (Unipolar Mode 0 mV to 40 mV)
mV
±80
0 1 0 (Unipolar Mode 0 mV to 80 mV)
mV
±160
0 1 1 (Unipolar Mode 0 mV to 160 mV)
mV
±320
1 0 0 (Unipolar Mode 0 mV to 320 mV)
mV
±640
1 0 1 (Unipolar Mode 0 mV to 640 mV)
mV
±1.28
1 1 0 (Unipolar Mode 0 V to 1.28 V)
V
±2.56
1 1 1 (Unipolar Mode 0 V to 2.56 V)
V
Analog Input Current2
±1
TMAX = 85°C
nA max
±5
TMAX = 125°C
nA max
Analog Input Current Drift
±5
TMAX = 85°C
pA/°C typ
±15
TMAX = 125°C
pA/°C typ
Absolute AIN Voltage Limits2
AGND + 100 mV
V min
AVDD – 100 mV
V max
Auxiliary ADC
Input Voltage Range9, 10
0 to VREF
Unipolar Mode, for Bipolar Mode
V
See Note 11
Average Analog Input Current
125
Input Current Will Vary with Input
nA/V typ
Average Analog Input Current Drift2
±2
Voltage on the Unbuffered Auxiliary ADC
pA/V/°C typ
Absolute AIN Voltage Limits2, 11
AGND – 30 mV
V min
AVDD + 30 mV
V max
External Reference Inputs
REFIN(+) to REFIN(–) Range2
1
V min
AVDD
V max
Average Reference Input Current
1
Both ADCs Enabled
A/V typ
Average Reference Input Current Drift
±0.1
nA/V/°C typ
“NO Ext. REF”Trigger Voltage
0.3
NOXREF Bit Active if VREF < 0.3 V
V min
0.65
NOXREF Bit Inactive if VREF > 0.65 V
V max
ADC SYSTEM CALIBRATION
Full-Scale Calibration Limit
1.05 FS
V max
Zero-Scale Calibration Limit
–1.05 FS
V min
Input Span
0.8 FS
V min
2.1 FS
V max
ANALOG (DAC) OUTPUT
Voltage Range
0 to VREF
DACRN = 0 in DACCON SFR
V typ
0 to AVDD
DACRN = 1 in DACCON SFR
V typ
Resistive Load
10
From DAC Output to AGND
k typ
Capacitive Load
100
From DAC Output to AGND
pF typ
Output Impedance
0.5
typ
ISINK
50
A typ
TEMPERATURE SENSOR
Accuracy
±2
°C typ
Thermal Impedance (JA)
90
MQFP Package
°C/W typ
52
CSP Package (Base Floating)12
°C/W typ
SPECIFICATIONS (continued)
REV. A
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