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AD9048
–8–
REV. C
C
P
Table I. Truth Table
Offset Twos
Complement
True
Binary
True
Step
Range
Inverted
Inverted
–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
NMINV = 1
NLINV = 1
00000000
00000001
01111111
10000000
10000001
11111110
11111111
0
0
11111111
11111110
10000000
01111111
01111110
00000001
00000000
0
1
10000000
10000001
11111111
00000000
00000001
01111110
01111111
1
0
01111111
01111110
00000000
11111111
11111110
10000001
10000000
000
001
127
128
129
254
255
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
28-Lead Ceramic Side-Brazed DIP
28
1
14
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)
±
0.015)
0.006
±
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
(PINS DOWN)
4
5
26
25
19
18
12
11
0.050
(1.27)
BSC
0.300
(7.62)
TYP
0.450
±
(11.43
±
0.006
0.488
±
(11.43
±
0.010
BOTTOM VIEW
0.022
±
0.003
(0.559
±
0.076)