PRELIMINARY TECHNICAL DATA

AD5280/AD5282

4

REV PrE 12 MAR 02

Information contained in this Product Concept Data Sheet describes a product in the early definition stage. There is no guarantee that the information contained here will become a final

product in its present form. For latest information contact Walt Heinzer/Analog Devices, Santa Clara, CA. TEL 408 382-3107; FAX 408 382-2721; email; walt.heinzer@analog.com

otherwise noted)

Digital Input Voltage to GND.........................................0V, 7V

Operating Temperature Range ...........................-40°C to +85°C

Thermal Resistance

*

θ

JA,

TSSOP-14 ........................................................206°C/W

TSSOP-16 ........................................................180°C/W

Storage Temperature ........................................-65°C to +150°C

Lead Temperature

RU-14, RU-16 (Vapor Phase, 60 sec) ....................... +215°C

RU-14, RU-16 (Infrared, 15 sec) .............................. +220°C

JMAX - TA) / θJA

AD5280 PIN CONFIGURATION

A

W

B

SHDN

SHDN

SHDN

SHDN

SCL

SDA

O1

O2

GND

AD1

AD0

14

13

12

11

10

9

8

1

2

3

4

5

6

7

AD5282 PIN CONFIGURATION

O1

A1

W1

B1

SHDN

SHDN

SHDN

SHDN

SCL

SDA

A2

W2

B2

GND

AD1

AD0

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

TABLE 1: AD5280 PIN Function Descriptions

Pin

Name

Description

1

A

Resistor terminal A

2

W

Wiper terminal W

3

B

Resistor terminal B

4

Positive power supply, specified for

operation from +5 to +15V.

5

SHDN

Active Low, Asynchronous connection of

the wiper W to terminal B, and open

circuit of terminal A. RDAC register

contents unchanged.

6

SCL

Serial Clock Input

7

SDA

Serial Data Input/Output

8

AD0

Programmable address bit for multiple

package decoding. Bits AD0 & AD1

provide 4 possible addresses.

9

AD1

Programmable address bit for multiple

package decoding. Bits AD0 & AD1

provide 4 possible addresses.

10

GND

Common Ground

11

Negative power supply, specified for

operation from 0 to -5V

12

O2

Logic Output terminal O2

13

Logic Supply Voltage, needs to be same

voltage as the digital logic controlling the

AD5280.

14

O1

Logic Output terminal O1