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參數資料
| 型號： | ADUC836BS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MicroConverter, Dual 16-Bit-ADCs with Embedded 62 kB Flash MCU |
| 中文描述： | 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | 14 X 14 MM, MO-022-AC-1, MQFP-52 |
| 文件頁數： | 68/80頁 |
| 文件大小： | 5913K |
| 代理商： | ADUC836BS |
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ADuC836
–68–
Typical System Configuration
A typical ADuC836 configuration is shown in Figure 66. It sum-
marizes some of the hardware considerations discussed in the
previous paragraphs.
Figure 66 also includes connections for a typical analog mea-
surement application of the ADuC836, namely an interface to an
RTD (Resistive Temperature Device). The arrangement shown is
commonly referred to as a 4-wire RTD configuration.
Here, the on-chip excitation current sources are enabled to
excite the sensor. The excitation current flows directly through
the RTD, generating a voltage across the RTD proportional to
its resistance. This differential voltage is routed directly to the
positive and negative inputs of the primary ADC (AIN1, AIN2,
respectively). The same current that excited the RTD also flows
through a series resistance R
REF
, generating a ratiometric voltage
reference V
REF
variations in the excitation current do not affect the measurement across RREF
vary ratiometrically with the excitation current. Resis-
tor R
REF
must, however, have a low temperature coefficient to
avoid errors in the reference voltage over temperature. R
REF
must
also be large enough to generate at least a 1 V voltage reference.
C1+
V+
C1–
C2+
C2–
V–
T2OUT
R2IN
V
CC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
ADM3202
DV
DD
27
34
33
31
30
29
28
39
38
37
36
35
32
40
47
46
44
43
42
41
52
51
50
49
48
45
DV
DD
1k
DV
DD
1k
2-PIN HEADER FOR
EMULATION ACCESS
(NORMALLY OPEN)
DOWNLOAD/DEBUG
ENABLE JUMPER
(NORMALLY OPEN)
32.768kHz
DV
DD
1
2
3
4
5
6
7
8
9
AV
DD
200
A/400
A
EXCITATION
CURRENT
RTD
R
REF
5.6k
AV
DD
AGND
P1.2/I
EXC
1/DAC
P1.3/AIN5/DAC
REFIN–
REFIN+
P1.4/AIN1
P1.5/AIN2
D
D
D
P
E
DGND
DV
DD
XTAL2
XTAL1
R
R
T
D
D
D
NOT CONNECTED IN THIS EXAMPLE
ALL CAPACITORS IN THIS EXAMPLE ARE
0.1
F CERAMIC CAPACITORS.
ADuC836
DV
DD
RS232 INTERFACE
*
STANDARD D-TYPE
SERIAL COMMS
CONNECTOR TO
PC HOST
*
EXTERNAL UART TRANSCEIVER INTEGRATED IN SYSTEM OR AS
PART OF AN EXTERNAL DONGLE AS DESCRIBED IN uC006.
Figure 66. Typical System Configuration
REV. A
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相關代理商/技術參數 |
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| ADUC836BS | 制造商:Analog Devices 功能描述:IC SEMICONDUCTOR ((NS)) |
| ADUC836BSZ | 功能描述:IC ADC DUAL 16BIT W/MCU 52-MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設備:POR，PWM，溫度傳感器，WDT 輸入/輸出數:21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數據轉換器:A/D 6x12b 振蕩器型:內部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| ADUC841 | 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| ADUC841BCP32-5 | 制造商:Analog Devices 功能描述:MICROCONVERTER 1-CYCLE VERSION ADUC829 - Trays |
| ADUC841BCP62-3 | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 20MHZ 3.3V 56LFCSP - Bulk |
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