AD5290

Data Sheet

Rev. C | Page 10 of 20

PIN CONFIGURATION AND DESCRIPTIONS

A

1

B

2

GND

4

CS

5

W

10

9

SDO

8

SDI

7

CLK

6

AD5290

TOP VIEW

(Not to Scale)

Figure 4. AD5290 Pin Configuration

Table 6. AD5290 Pin Function Descriptions

Pin No.

Mnemonic

Description

1

A

2

B

3

Negative Supply. Connect to 0 V for single-supply applications.

4

GND

Digital Ground.

5

CS

Chip Select Input; Active Low. When CS returns high, data is loaded into the wiper register.

6

CLK

Serial Clock Input. Positive edge triggered.

7

SDI

Serial Data Input Pin. Shifts in one bit at a time on positive clock CLK edges. MSB loaded first.

8

SDO

Serial Data Output Pin. Internal N-Ch FET with open-drain output that requires external pull-up resistor.

It shifts out the previous eight SDI bits that allow daisy-chain operation of multiple packages.

9

Positive Power Supply.

10

W