AD7824/AD7828
5V
SAMPLE
PULSE
15V
5V
BAND-PASS
FILTER 1
V
DD
AIN1
AIN2
CS
RD
10V
V
V
RD
INT
CS
DD
DD
BAND-PASS
FILTER 2
V
REF
WR
AIN1
AIN2
AIN3
AIN4
AD7226
SPEECH
INPUT
DB7
DB0
AMP
DB7
DB0
DB7
DB0
V
V
V
A
B
C
D
V 1
O
V
V
O
V
O
OUT
AD7828
DATA
2
3
4
BAND-PASS
FILTER 7
OUT
O
AIN7
AIN8
OUT
AD7824
A1
A0
A1
A0
A2
A1
A0
V
V
V
(+)
(–)
OUT
BAND-PASS
FILTER 8
REF
DGND
AGND
REF
GND
V
SS
V
(+)
5V
REF
V
(–) GND
REF
Figure 20. 4-Channel Fast Infinite Sample-and-Hold
Figure 19. Speech Analysis Using Real-Time Filtering
OUTLINE DIMENSIONS
24-Lead Plastic Dual-in-Line Package [PDIP]
(N-24)
Dimensions shown in inches and (millimeters)
1.185 (30.01)
0.295 (7.49)
0.285 (7.24)
0.275 (6.99)
1.165 (29.59)
1.145 (29.08)
24
1
13
12
0.325 (8.26)
0.310 (7.87)
0.300 (7.62)
0.180
(4.57)
MAX
0.015 (0.38) MIN
0.150 (3.81)
0.135 (3.43)
0.120 (3.05)
0.150 (3.81)
0.130 (3.30)
0.110 (2.79)
0.015 (0.38)
0.010 (0.25)
0.008 (0.20)
0.100
(2.54)
BSC
0.022 (0.56)
0.018 (0.46)
0.014 (0.36)
0.060 (1.52) SEATING
0.050 (1.27)
0.045 (1.14)
PLANE
COMPLIANT TO JEDEC STANDARDS MO-095AG
CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
28-Lead Plastic Dual-in-Line Package [PDIP]
(N-28)
Dimensions shown in inches and (millimeters)
1.565 (39.7)
1.380 (35.1)
28
1
15
14
0.580 (14.73)
0.485 (12.32)
0.100 (2.54)
BSC
0.625 (15.87)
0.600 (15.24)
0.195 (4.95)
0.125 (3.18)
0.015 (0.39)
MIN
0.250 (6.35)
MAX
0.200 (5.05)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
SEATING
PLANE
0.70 (1.77)
0.30 (0.77)
0.022 (0.558)
0.014 (0.356)
COMPLIANT TO JEDEC STANDARDS MS-011AB
CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
REV. F
–11–