AD5290YRMZ10 datasheet(6/11 Pages) AD

部件名	AD5290YRMZ10

功能描述	Compact 30V/짹15V 256-Position Digital Potentiometer

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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Preliminary Technical Data

AD5290

Rev. Pr C | Page 6 of 11

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

10

9

8

7

1

2

3

4

A

B

VSS

W

VDD

SDO

SDI

GND

6

5

CLK

CS

TOP VIEW

AD5290

Figure 2. AD5290 Pin Configuration

Table 7. AD5290 Pin Function Descriptions

Menmonic

Description

1

A

A Terminal. VSS

≤ V

A

≤ V

DD

2

B

B Terminal. VSS

≤ V

B

≤ V

DD

3

VSS

Negative Supply. Connect to zero volts for single supply applications.

4

GND

Digital Ground.

5

CS

Chip Select Input, Active Low. When CS returns high, data will be 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 8 SDI bits that allows daisy-chain operation of multiple

packages

9

VDD

Positive Power Supply

10

W

W Terminal. VSS

≤ V

W

≤ V

DD

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