AD9048

–8–

REV. C

Table I. Truth Table

Offset Twos

Binary

Complement

Step

Range

True

Inverted

True

Inverted

–2.000 V FS

–2.0480 V FS

NMINV = 1

0

0

1

7.8431 mV Step

8.000 mV Step

NLINV = 1

0

1

0

000

0.0000 V

0.0000 V

00000000

11111111

10000000

01111111

001

–0.0078 V

–0.0080 V

00000001

11111110

10000001

01111110

••

•

•

•

•

•

••

•

•

•

•

•

••

•

•

•

•

•

127

–0.9961 V

–1.0160 V

01111111

10000000

11111111

00000000

128

–1.0039 V

–1.0240 V

10000000

01111111

00000000

11111111

129

–1.0118 V

–1.0320 V

10000001

01111110

00000001

11111110

••

•

•

•

•

•

••

•

•

•

•

•

••

•

•

•

•

•

254

–1.9921 V

–2.0320 V

11111110

00000001

01111110

10000001

255

–2.0000 V

–2.0400 V

11111111

00000000

01111111

10000000

OUTLINE DIMENSIONS

Dimensions shown in inches and (mm).

28-Lead Ceramic Side-Brazed DIP

28

114

15

0.610 (15.24)

0.500 (14.43)

PIN 1

SEATING

PLANE

0.023 (0.508)

0.014 (0.381)

0.105 (2.67)

0.095 (2.42)

0.225 (5.72)

MAX

0.175 (4.45)

0.125 (3.18)

0.065 (1.66)

0.038 (0.965)

1.418 (36.02)

1.38 (35.06)

0.12 (3.05)

0.06 (1.53)

0.620 (15.4)

0.590 (14.74)

0.015 (0.305)

0.008 (0.203)

LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH

LEADS ARE GOLD PLATED (50 MICROINCHES MIN) KOVAR OR ALLOY 42

28-Terminal Leadless Chip Carrier

1

28

5

11

12

18

26

BOTTOM

VIEW

19

4

25

0.028 (0.71)

0.022 (0.56)

0.050

±0.005

(1.27

±0.13)

0.040 (1.02) x 45

°

REF 3 PLCS

0.055 (1.40)

0.045 (1.14)

0.075 (1.91) REF

NO 1

PIN INDEX

0.020 (0.51) x 45

°

REF 1 PLC

1

0.458 (11.63)

0.442 (11.23)

SQ

0.100 (2.54)

0.064 (1.63)

NOTES

1

THIS DIMENSION CONTROLS THE OVERALL PACKAGE THICKNESS

2

APPLIES TO ALL FOUR SIDES

ALL TERMINALS ARE GOLD PLATED

28-Lead J-Lead Package

0.171 (4.34)

MAX

0.019

±0.002

(0.483

±0.051)

0.006

±0.0006

(0.152

±0.015)

0.039

±0.005

(0.991

±0.127)

0.028

±0.002

(0.711

±0.051)

0.420

±0.010

(10.668

±0.254)

0.102

±0.010

(1.448

±0.254)

PIN 1

TOP VIEW

(PINS DOWN)

4

5

26

25

19

18

12

11

0.050

(1.27)

BSC

0.300

(7.62)

TYP

0.450

±0.006

(11.43

±0.152) SQ

0.488

±0.010

(11.43

±0.254)

SQ

BOTTOM VIEW

0.022

±0.003

(0.559

±0.076)