AD7541A
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
20-Terminal Ceramic Leadless Chip Carrier
(E-20A)
20-Lead Plastic Leadless Chip Carrier
(P-20A)
0.180 (4.57)
0.165 (4.19)
0.056 (1.42)
0.042 (1.07)
0.025 (0.63)
0.015 (0.38)
0.021 (0.53)
0.013 (0.33) 0.330 (8.38)
0.032 (0.81) 0.290 (7.37)
0.026 (0.66)
0.040 (1.01)
0.025 (0.64)
0.110 (2.79)
0.085 (2.16)
0.100 (2.54)
0.064 (1.63)
0.095 (2.41)
0.075 (1.90)
0.358 (9.09) 0.358
(9.09)
0.342 (8.69)
MAX
SQ
SQ
0.011 (0.28)
0.007 (0.18)
R TYP
0.075 (1.91)
REF
0.200 (5.08)
BSC
0.075
(1.91)
0.100 (2.54) BSC
REF
19
18 20
1
3
4
0.048 (1.21)
0.042 (1.07)
0.048 (1.21)
0.042 (1.07)
0.015 (0.38)
MIN
0.028 (0.71)
0.022 (0.56)
0.050 (1.27)
BSC
3
4
19
18
PIN 1
IDENTIFIER
BOTTOM
VIEW
14
13
8
9
TOP VIEW
(PINS DOWN)
8
9
14
13
0.050
(1.27)
BSC
45° TYP
0.088 (2.24)
0.054 (1.37)
0.055 (1.40)
0.045 (1.14)
0.150 (3.81)
BSC
0.020
(0.50)
R
0.356 (9.04)
SQ
0.350 (8.89)
0.395 (10.02)
SQ
0.385 (9.78)
18-Lead Plastic DIP
(N-18)
0.925 (23.49)
0.845 (21.47)
18
1
10
9
18-Lead Cerdip
(Q-18)
0.005 (0.13) MIN
18
0.098 (2.49) MAX
10
0.280 (7.11)
0.240 (6.10)
PIN 1
0.210
(5.33)
MAX
0.160 (4.06)
0.115 (2.93)
0.022 (0.558)
0.014 (0.356)
0.100
(2.54)
BSC
0.070 (1.77)
0.045 (1.15)
0.060 (1.52)
0.015 (0.38)
0.130
(3.30)
MIN
SEATING
PLANE
0.325 (8.25)
0.300 (7.62) 0.195 (4.95)
0.115 (2.93)
0.200 (5.08)
MAX
0.015 (0.381)
0.008 (0.204)
0.310 (7.87)
0.220 (5.59)
1
9
PIN 1
0.960 (24.38) MAX
0.060 (1.52)
0.015 (0.38)
0.150
(3.81)
MIN
0.100
(2.54)
BSC
0.070 (1.78) SEATING
0.030 (0.76) PLANE
0.320 (8.13)
0.290 (7.37)
0.200 (5.08)
0.125 (3.18)
0.023 (0.58)
0.014 (0.36)
15°
0°
0.015 (0.38)
0.008 (0.20)
18-Lead SOIC
(R-18)
0.4625 (11.75)
0.4469 (11.35)
18
10
1
9
PIN 1
0.1043 (2.65)
0.0926 (2.35)
0.4193 (10.65)
0.3937 (10.00)
0.2992 (7.60)
0.2914 (7.40)
0.0291 (0.74)
x 45°
0.0098 (0.25)
0.0118 (0.30)
0.0040 (0.10)
8°
0.0500 0.0192 (0.49)
0°
(1.27) 0.0138 (0.35) SEATING 0.0125 (0.32)
PLANE
BSC
0.0091 (0.23)
0.0500 (1.27)
0.0157 (0.40)
REV. B
–7–
AD [ ANALOG DEVICES ]
