MAXREFDES67# Design

MAXREFDES67# Design

The universal analog input is the most functional, ubiquitous element in factory automation. The ability to flexibly measure current, voltage, RTDs, and TCs makes the universal input an indispensable piece in any installation. In parallel, Industry 4.0 marks a sea change in industrial architectures, characterized by distributed, intelligent control systems. Industry 4.0 allows for highly configurable, highly modular factories, which accept an ever increasing number of sensor inputs while operating at a higher output than ever before. Building a universal input in the ultrasmall micro PLC form factor marries this indispensible element with the key concepts of Industry 4.0. Furthermore, this board requires a number of highly integrated analog and mixed signal products providing high performance with ultra-low power consumption in an ultra-small package. MAXREFDES67# is Maxim’s micro PLC, universal analog input card. The MAXREFDES67# features an analog input that supports voltage, current, RTD, and thermocouple input signals with isolated power and data. The MAXREFDES67# design integrates two beyond-the-rail SPST analog switches (MAX14759), two beyond-the-rail SPDT analog switches (MAX14763), a dual beyond-the-rail buffer (MAX44267), a quad low-noise low-power op amp (MAX44245), a digital thermometer (MAX31723), a 24-bit 6-channel ADC (MAX11254) with internal PGA buffers, an ultra-high-precision 4.096V voltage reference (MAX6126), a low-power precision op amp (MAX44244), 2.75kVRMS data isolation (MAX14930 and MAX14932), a STM32F4 microcontroller, a FTDI USB-UART bridge, a high-efficiency DC-DC converter (MAX17552), and isolated/regulated +15V and +3.6V power rails (MAX17498C and two MAX17651s). The entire system typically operates at less than 500mW and fits into a space roughly the size of a credit card. While targeted for industrial, micro PLC applications, the MAXREFDES67# may be used in any application that requires high-accuracy analog-to-digital conversion.

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合并产品

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制造商零件编号

描述

数量

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1

STM32F415RGTX

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1

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2

Part Number

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1

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3

MAX17552AUB+

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2

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4

MAX17651AZT+

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4

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5

FT234XD

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1

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6

MAX17498CATE+

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1

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7

MAX14759ETA+

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2

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8

MAX14763ETA+

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2

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9

MAX31723MUA+

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1

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10

MAX44267AUD+

Triangle

3

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11

MAX44245AUD+

Triangle

4

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12

MAX6126AASA30+

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1

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13

MAX11254ETJ+

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1

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14

MAX14930BASE+

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1

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15

MAX14932BASE+

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1

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16

19

PIN Left

3

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17

13

PIN Right

3

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18

4

PIN Bottom

3

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19

8

PIN Left

3

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20

1

PIN Right

3

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21

21

PIN Bottom

3

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22

28

PIN Top

3

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23

5

PIN Right

6

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24

B

OUTPUT PIN

3

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25

41

PIN Right

3

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26

6

PIN Left

12

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27

2

PIN Left

3

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28

EP

PIN Left

3

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29

61

PIN Top

3

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30

56

PIN Top

3

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31

51

PIN Top

3

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32

46

PIN Top

3

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33

36

PIN Right

3

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34

31

PIN Right

3

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35

26

PIN Bottom

3

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36

9

PIN Left

3

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37

3

PIN Left

3

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38

14

PIN Left

3

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39

12

OUTPUT PIN

6

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40

32

PIN Right

3

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41

22

PIN Bottom

3

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42

16

PIN Bottom

3

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43

MMBT3904L

VARIANT 1

1

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44

DDZ6V8ASF-7

VARIANT 3

1

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45

1N4148WT

VARIANT 1

1

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STM32F415RGTX

Rectangle

Quantity: 1

Part Number

Rectangle

Quantity: 1

MAX17552AUB+

Rectangle

Quantity: 2

MAX17651AZT+

Rectangle

Quantity: 4

FT234XD

Rectangle

Quantity: 1

MAX17498CATE+

Rectangle

Quantity: 1

MAX14759ETA+

Rectangle

Quantity: 2

MAX14763ETA+

Rectangle

Quantity: 2

MAX31723MUA+

Rectangle

Quantity: 1

MAX44267AUD+

Triangle

Quantity: 3

MAX44245AUD+

Triangle

Quantity: 4

MAX6126AASA30+

Rectangle

Quantity: 1

MAX11254ETJ+

Rectangle

Quantity: 1

MAX14930BASE+

Rectangle

Quantity: 1

MAX14932BASE+

Rectangle

Quantity: 1

19

PIN Left

Quantity: 3

13

PIN Right

Quantity: 3

4

PIN Bottom

Quantity: 3

8

PIN Left

Quantity: 3

1

PIN Right

Quantity: 3

21

PIN Bottom

Quantity: 3

28

PIN Top

Quantity: 3

5

PIN Right

Quantity: 6

B

OUTPUT PIN

Quantity: 3

41

PIN Right

Quantity: 3

6

PIN Left

Quantity: 12

2

PIN Left

Quantity: 3

EP

PIN Left

Quantity: 3

61

PIN Top

Quantity: 3

56

PIN Top

Quantity: 3

51

PIN Top

Quantity: 3

46

PIN Top

Quantity: 3

36

PIN Right

Quantity: 3

31

PIN Right

Quantity: 3

26

PIN Bottom

Quantity: 3

9

PIN Left

Quantity: 3

3

PIN Left

Quantity: 3

14

PIN Left

Quantity: 3

12

OUTPUT PIN

Quantity: 6

32

PIN Right

Quantity: 3

22

PIN Bottom

Quantity: 3

16

PIN Bottom

Quantity: 3

MMBT3904L

VARIANT 1

Quantity: 1

DDZ6V8ASF-7

VARIANT 3

Quantity: 1

1N4148WT

VARIANT 1

Quantity: 1

关于此原理图

创建人

Curtis Johnson

最近更新

2024-02-15 15:37

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