AD9831

–4–

REV. A

ORDERING GUIDE

Temperature

Package

Package

Model

Range

Description

Option*

AD9831AST

– 40

°C to +85°C 48-Pin TQFP ST-48

EVAL-AD9831EB Evaluation Board

*ST = Thin Quad Flatpack (TQFP).

ABSOLUTE MAXIMUM RATINGS*

AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V

AGND to DGND. . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V

Digital I/O Voltage to DGND . . . . . –0.3 V to DVDD + 0.3 V

Analog I/O Voltage to AGND . . . . . –0.3 V to AVDD + 0.3 V

Operating Temperature Range

Industrial (A Version) . . . . . . . . . . . . . . . . –40

°C to +85°C

Storage Temperature Range . . . . . . . . . . . . –65

°C to +150°C

Maximum Junction Temperature . . . . . . . . . . . . . . . . +150

°C

TQFP

θ

. . . . . . . . . . . . . . . . . 75

°C/W

Lead Temperature, Soldering

Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . +215

°C

Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . +220

°C

ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 4500 V

*Stresses above those listed under “Absolute Maximum Ratings” may cause

permanent damage to the device. This is a stress rating only and functional

operation of the device at these or any other conditions above those listed in the

operational sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

PIN CONFIGURATION

48 47 46 45 44

39 38 37

43 42 41 40

1

2

3

4

5

6

7

8

9

10

11

12

36

35

34

33

32

31

30

29

28

27

26

25

13 14 15 16 17 18 19 20 21 22 23 24

PIN 1

IDENTIFIER

TOP VIEW

(Not to Scale)

AGND

RESET

A0

A1

A2

DB0

DB1

DGND

DB2

DB3

DB4

DVDD

AGND

REFOUT

SLEEP

DVDD

DVDD

DGND

MCLK

WR

DVDD

FSELECT

PSEL0

PSEL1

NC = NO CONNECT

AD9831