AD1878/AD1879
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 26.0 26.5
FREQUENCY – kHz
Figure 29. AD1878/AD1879 Digital Filter Signal Transfer
Function— Transition Band: 21.5 kHz to 26.5 kHz
1.012
1.011
1.010
1.009
1.008
1.007
1.006
1.005
1.004
1.003
1.002
1.001
1.000
0.999
0.998
0.997
–30 –10 10
30
50 70
90 110 130
TEMPERATURE – °C
Figure 30. AD1878/AD1879 Typical Gain Over
Temperature— –30°C to +130°C
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
D-28
28-Lead Side Brazed Ceramic DIP
0.005 (0.13) MIN
0.100 (2.54) MAX
28
PIN 1
1
0.225
(5.72)
MAX
0.200 (5.08)
0.125 (3.18)
0.026 (0.66)
0.014 (0.36)
1.490 (37.85) MAX
15
0.610 (15.49)
0.500 (12.70)
14
0.060 (1.52)
0.015 (0.38)
0.620 (15.75)
0.590 (14.99)
0.110 (2.79)
0.090 (2.29)
0.150
(3.81)
MIN
0.070 (1.78) SEATING
0.030 (0.76) PLANE
0.018 (0.46)
0.008 (0.20)
–16–
REV. 0