AD9048
Step
000
001
•
•
•
127
128
129
•
•
•
254
255
Range
–2.000 V FS
7.8431 mV Step
0.0000 V
–0.0078 V
•
•
•
–0.9961 V
–1.0039 V
–1.0118 V
•
•
•
–1.9921 V
–2.0000 V
–2.0480 V FS
8.000 mV Step
0.0000 V
–0.0080 V
•
•
•
–1.0160 V
–1.0240 V
–1.0320 V
•
•
•
–2.0320 V
–2.0400 V
Table I. Truth Table
True
Binary
Inverted
NMINV = 1
NLINV = 1
00000000
00000001
•
•
•
01111111
10000000
10000001
•
•
•
11111110
11111111
0
0
11111111
11111110
•
•
•
10000000
01111111
01111110
•
•
•
00000001
00000000
Offset Twos
Complement
True
Inverted
0
1
10000000
10000001
•
•
•
11111111
00000000
00000001
•
•
•
01111110
01111111
1
0
01111111
01111110
•
•
•
00000000
11111111
11111110
•
•
•
10000001
10000000
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
28-Lead Ceramic Side-Brazed DIP
28-Terminal Leadless Chip Carrier
28
15
PIN 1
1
1.418 (36.02)
1.38 (35.06)
0.610 (15.24)
0.500 (14.43)
14
0.12 (3.05)
0.06 (1.53)
0.225 (5.72)
MAX
0.175 (4.45)
0.125 (3.18)
0.065 (1.66)
0.038 (0.965)
0.023 (0.508)
0.014 (0.381)
0.105 (2.67)
SEATING
PLANE
0.095 (2.42)
0.015 (0.305)
0.008 (0.203)
0.620 (15.4)
0.590 (14.74)
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH
LEADS ARE GOLD PLATED (50 MICROINCHES MIN) KOVAR OR ALLOY 42
0.100 (2.54)1
0.064 (1.63)
0.055 (1.40)
0.045 (1.14)
0.075 (1.91) REF
0.458 (11.63)
0.442 (11.23)
SQ
0.050 ±0.005
(1.27 ±0.13)
18
19
26
25
12
11
28
1
BOTTOM
VIEW
5
4
0.028 (0.71)
0.022 (0.56)
NO 1
PIN INDEX
0.040 (1.02) x 45°
REF 3 PLCS
0.020 (0.51) x 45°
REF 1 PLC
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
BOTTOM VIEW
0.022 ±0.003
(0.559 ±0.076)
0.450
(11.43
±0.006
±0.152)
SQ
25
19
26
18
0.171 (4.34)
MAX
0.050
(1.27)
BSC
PIN 1
TOP VIEW
(PINS DOWN)
0.300
(7.62)
TYP
4
12
5
11
0.488
(11.43
±0.010
±0.254)
SQ
0.102 ±0.010
(1.448 ±0.254)
0.039 ±0.005
(0.991 ±0.127)
0.028 ±0.002
(0.711 ±0.051)
0.420 ±0.010
(10.668 ±0.254)
0.019 ±0.002
(0.483 ±0.051)
0.006 ±0.0006
(0.152 ±0.015)
–8–
REV. C