OP181/OP281/OP481
8-Lead Plastic DIP
(N-8)
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
14-Lead Plastic DIP
(N-14)
0.430 (10.92)
0.348 (8.84)
8
5
0.280 (7.11)
0.240 (6.10)
1
4
0.325 (8.25)
PIN 1
0.060 (1.52)
0.300 (7.62)
0.210 (5.33)
0.015 (0.38)
MAX
0.130
0.160 (4.06)
(3.30)
0.115 (2.93)
MIN
0.022 (0.558) 0.100 0.070 (1.77)
0.014 (0.356) (2.54) 0.045 (1.15)
SEATING
PLANE
BSC
0.195 (4.95)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
0.795 (20.19)
0.725 (18.42)
14
8 0.280 (7.11)
1
7 0.240 (6.10)
PIN 1
0.060 (1.52)
0.210 (5.33)
0.015 (0.38)
MAX
0.130
0.160 (4.06)
0.115 (2.93)
(3.30)
MIN
0.022 (0.558)
0.014 (0.356)
0.100 0.070 (1.77) SEATING
(2.54) 0.045 (1.15) PLANE
BSC
0.325 (8.25)
0.300 (7.62) 0.195 (4.95)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
8-Lead SOIC
(SO-8)
0.1968 (5.00)
0.1890 (4.80)
8
0.1574 (4.00)
0.1497 (3.80) 1
5
0.2440 (6.20)
4 0.2284 (5.80)
PIN 1
0.0098 (0.25)
0.0040 (0.10)
0.0688 (1.75)
0.0532 (1.35)
0.0196 (0.50)
0.0099 (0.25) x 45°
SEATING
PLANE
0.0500 0.0192 (0.49)
(1.27) 0.0138 (0.35)
BSC
0.0098 (0.25)
0.0075 (0.19)
8°
0° 0.0500 (1.27)
0.0160 (0.41)
14-Lead Narrow Body SOIC
(SO-14)
0.3444 (8.75)
0.3367 (8.55)
14
0.1574 (4.00)
0.1497 (3.80) 1
8
0.2440 (6.20)
7 0.2284 (5.80)
0.0098 (0.25)
0.0040 (0.10)
PIN 1
0.0688 (1.75)
0.0532 (1.35)
0.0196
0.0099
(0.50)
(0.25)
x
45°
SEATING
PLANE
0.0500
(1.27)
BSC
0.0192 (0.49)
0.0138 (0.35)
8°
0.0099 (0.25) 0° 0.0500 (1.27)
0.0075 (0.19) 0.0160 (0.41)
8-Lead TSSOP
(RU-8)
0.122 (3.10)
0.114 (2.90)
8
5
1
4
PIN 1
0.0256 (0.65)
0.006 (0.15) BSC
0.002 (0.05)
0.0118 (0.30)
SEATING
PLANE
0.0075 (0.19)
0.0433
(1.10)
MAX
8°
0°
0.0079 (0.20)
0.0035 (0.090)
0.028 (0.70)
0.020 (0.50)
14-Lead TSSOP
(RU-14)
0.201 (5.10)
0.193 (4.90)
14
8
1
7
0.006 (0.15)
0.002 (0.05)
PIN 1
SEATING
PLANE
0.0256 0.0118 (0.30)
(0.65) 0.0075 (0.19)
BSC
0.0433
(1.10)
MAX
8°
0°
0.0079 (0.20)
0.0035 (0.090)
0.028 (0.70)
0.020 (0.50)
REV. 0
–15–