AD7938/AD7939

Preliminary Technical Data

OUTLINE DIMENSIONS

COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2

0.30

0.23

0.18

0.20 REF

0.80 MAX

0.65 TYP

0.05 MAX

0.02 NOM

12° MAX

1.00

0.85

0.80

SEATING

PLANE

COPLANARITY

0.08

1

32

8

9

25

24

16

17

BOTTOM

VIEW

0.50

0.40

0.30

3.50 REF

0.50

BSC

3.25

3.10 SQ

2.95

0.60 MAX

0.60 MAX

0.25 MIN

TOP

VIEW

PIN 1

INDICATOR

PIN 1

INDICATOR

5.00

BSC SQ

4.75

BSC SQ

Figure 49. 32-Lead Lead Frame Chip Scale Package [LFCSP], (CP-32)—Dimensions shown in millimeters

0.45

0.37

0.30

0.80

BSC

7.00

SQ

9.00 SQ

1

24

25

32

8

9

17

16

1.20

MAX

0.75

0.60

0.45

1.05

1.00

0.95

0.20

0.09

0.08 MAX

COPLANARITY

SEATING

PLANE

0° MIN

7°

3.5°

0°

0.15

0.05

VIEW A

ROTATED 90° CCW

VIEW A

PIN 1

TOP VIEW

(PINS DOWN)

COMPLIANT TO JEDEC STANDARDS MS-026ABA

Figure 50. 32-Lead Thin Plastic Quad Flat Package [TQFP], (SU-32)—Dimensions shown in millimeters

ORDERING GUIDE

Model

Temperature

Range

Linearity Error (LSB)1

Package Option

Package Descriptions

AD7938BCP

–40°C to +85°C

±1

CP-32

LFCSP

AD7939BCP

–40°C to +85°C

±1

CP-32

LFCSP

AD7938BSU

–40°C to +85°C

±1

SU-32

TQFP

AD7939BSU

–40°C to +85°C

±1

SU-32

TQFP

EVAL-ADxxxxCB2

Evaluation Board

EVAL-CONTROL BRD23

Controller Board

designators. The following needs to be ordered to obtain a complete evaluation kit: the ADC Evaluation Board (EVALADxxxxCB), the EVAL-CONTROL BRD2 and a 12 V

ac transformer. See the ADxxxx evaluation board technical note for more details.

©2004 Analog Devices, Inc. All rights reserved. Trademarks and

registered trademarks are the property of their respective owners.

Rev. PrN | Page 32 of 32

PR03715-0-8/04(PrN)