AD5173BRM100-RL7(RevA) 데이터 시트보기 (PDF) - Analog Devices

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AD5173BRM100-RL7
(Rev.:RevA)

256-Position One-Time Programmable Dual-Channel I2C Digital Potentiometers

Analog Devices 

13

25

12

24

11

23

10

22

9

21

8

20

7

19

6

18

5

17

R3

4

100Ω

SCL

16

R2 READ

3

100Ω

SDA

15

2

R1 WRITE

14

100Ω

1

Figure 47. Parallel Port Connection. Pin 2 = SDA_write, Pin 3 = SCL,

Pin 15 = SDA_read, and Pin 25 = DGND.

AD5172/AD5173

AD5172

AD5173

B1

A1

W2

GND

VDD

W1

B2

A2

SDA

SCL

B1

AD0

W2

GND

VDD

W1

B2

AD1

SDA

SCL

Figure 48. Recommended AD5172/AD5173 PCB Layout. The SCL and SDA

pads allow pogo pins to be inserted so that signals can be communicated

through the parallel port for programming (Figure 47).

Rev. A | Page 17 of 24

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