AD7541A 查看數據表（PDF） - Analog Devices
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AD7541A Datasheet PDF : 8 Pages
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OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
AD7541A
20-Terminal Ceramic Leadless Chip Carrier
(E-20A)
0.100 (2.54)
0.064 (1.63)
0.200 (5.08)
0.075 BSC
(1.91)
REF
0.100 (2.54) BSC
0.358 (9.09) 0.358
0.342 (8.69)
SQ
(9.09)
MAX
SQ
0.095 (2.41)
0.075 (1.90)
0.011 (0.28)
0.007 (0.18)
R TYP
0.075 (1.91)
REF
19
3
18 20
4
1
BOTTOM
VIEW
14
8
13
9
0.015 (0.38)
MIN
0.028 (0.71)
0.022 (0.56)
0.050 (1.27)
BSC
45° TYP
0.088 (2.24)
0.055 (1.40) 0.150 (3.81)
0.054 (1.37)
0.045 (1.14)
BSC
20-Lead Plastic Leadless Chip Carrier
(P-20A)
0.048 (1.21)
0.042 (1.07)
0.056 (1.42)
0.042 (1.07)
0.048 (1.21)
0.042 (1.07)
0.020
(0.50)
R
3
19
4
PIN 1 18
IDENTIFIER
TOP VIEW
(PINS DOWN)
8
14
9
13
0.356 (9.04)
0.350 (8.89) SQ
0.050
(1.27)
BSC
0.395 (10.02)
0.385 (9.78) SQ
0.180 (4.57)
0.165 (4.19)
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)
18-Lead Plastic DIP
(N-18)
0.925 (23.49)
0.845 (21.47)
18
10
0.280 (7.11)
1
9 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
0.060 (1.52)
0.015 (0.38)
0.070 (1.77)
0.045 (1.15)
0.130
(3.30)
MIN
SEATING
PLANE
0.325 (8.25)
0.300 (7.62) 0.195 (4.95)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
18-Lead Cerdip
(Q-18)
0.005 (0.13) MIN
0.098 (2.49) MAX
18
10
0.310 (7.87)
0.220 (5.59)
1
9
PIN 1
0.200 (5.08)
MAX
0.200 (5.08)
0.125 (3.18)
0.960 (24.38) MAX
0.060 (1.52)
0.015 (0.38)
0.150
(3.81)
MIN
0.023 (0.58)
0.014 (0.36)
0.100
(2.54)
BSC
0.070 (1.78) SEATING
0.030 (0.76) PLANE
0.320 (8.13)
0.290 (7.37)
0.015 (0.38)
15°
0.008 (0.20)
0°
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)
0.0291 (0.74)
x 45°
0.0098 (0.25)
0.0118 (0.30)
0.0040 (0.10)
0.0500 0.0192 (0.49)
(1.27) 0.0138 (0.35)
BSC
8°
SEATING 0.0125 (0.32) 0°
PLANE 0.0091 (0.23)
0.0500 (1.27)
0.0157 (0.40)
REV. B
–7–
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