Data Sheet

AD9831

Rev. B | Page 13 of 16

OUTLINE DIMENSIONS

Figure 23. 48-Lead Low Profile Quad Flat Package (LQFP)

(ST-48)

Dimensions shown in millimeters

ORDERING GUIDE

Model1

Temperature Range

Package Description

Package Option

AD9831ASTZ

–40°C to +85°C

48-Lead Low Profile Quad Flat Package [LQFP]

ST-48

AD9831ASTZ-REEL

–40°C to +85°C

48-Lead Low Profile Quad Flat Package [LQFP]

ST-48

REVISION HISTORY

11/11—Rev. A to Rev. B

Changes to Title and General Description Section ......................1

Changed TQFP to LQFP Throughout............................................1

Changes to Grounding and Layout Section.................................12

Deleted AD9831 Evaluation Board, Using the AD9831

Evaluation Board, Prototyping Area, XO vs. External Clock, and

Power Supply Sections ....................................................................13

Deleted Figure 23; Renumbered Sequentially .............................13

Updated Outline Dimensions........................................................13

Changes to Ordering Guide...........................................................13

Deleted Figure 24 and Component List Section.........................14

COMPLIANT TO JEDEC STANDARDS MS-026-BBC

TOP VIEW

(PINS DOWN)

1

12

13

25

24

36

37

48

0.27

0.22

0.17

0.50

BSC

LEAD PITCH

1.60

MAX

0.75

0.60

0.45

VIEW A

PIN 1

0.20

0.09

1.45

1.40

1.35

0.08

COPLANARITY

VIEW A

ROTATED 90° CCW

SEATING

PLANE

7°

3.5°

0°

0.15

0.05

9.20

9.00 SQ

8.80

7.20

7.00 SQ

6.80