AD5170BRM2.5-RL7(RevA) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5170BRM2.5-RL7
(Rev.:RevA)

256-Position Two-Time Programmable I2C Digital Potentiometer

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 42. Parallel Port Connection. Pin 2 = SDA_write, Pin 3 = SCL,

Pin 15 = SDA_read, and Pin 25 = DGND.

AD5170

B

A

AD0

GND

VDD

W

NC

AD1

SDA

SCL

AD5170

Figure 43. Recommended AD5170 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 42).

Rev. A | Page 17 of 24

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