
AD977/AD977A
–24–
REV. D
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
C
P
20-Lead Plastic DIP
(N-20)
20
1
10
11
1.060 (26.90)
0.925 (23.50)
0.280 (7.11)
0.240 (6.10)
PIN 1
SEATING
PLANE
0.022 (0.558)
0.014 (0.356)
0.060 (1.52)
0.015 (0.38)
0.210 (5.33)
MAX
0.130
(3.30)
MIN
0.070 (1.77)
0.045 (1.15)
0.100
(2.54)
BSC
0.160 (4.06)
0.115 (2.93)
0.325 (8.25)
0.300 (7.62)
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
20-Lead Wide Body (SOIC)
(R-20)
SEATING
PLANE
0.0118 (0.30)
0.0040 (0.10)
0.0192 (0.49)
0.0138 (0.35)
0.1043 (2.65)
0.0926 (2.35)
0.0500
(1.27)
BSC
0.0125 (0.32)
0.0091 (0.23)
0.0500 (1.27)
0.0157 (0.40)
8
°
0
°
0.0291 (0.74)
°
20
11
10
1
0.5118 (13.00)
0.4961 (12.60)
0
0
0
0
PIN 1
28-Lead Shrink Small Outline Package (SSOP)
(RS-28)
28
15
14
1
0.407 (10.34)
0.397 (10.08)
0
0
0
0
PIN 1
SEATING
PLANE
0.008 (0.203)
0.002 (0.050)
0.07 (1.79)
0.066 (1.67)
0.0256
(0.65)
BSC
0.078 (1.98)
0.068 (1.73)
0.015 (0.38)
0.010 (0.25)
0.009 (0.229)
0.005 (0.127)
0.03 (0.762)
0.022 (0.558)
8
°
0
°