Rainbow Electronics MX7828 - Manual (Page 11)

MX7824/MX7828
CMOS, High-Speed, 8-Bit ADCs
with Multiplexer
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MAX154
MAX158
MX7824
MX7828
RD
RDY
*A2 ON MAX158/MX7828 ONLY.
CS
A1 A2* A0
5V
DATA BUS
A15
A0
ZBO
MREQ
WAIT
RD
DB0–DB7 D0–D7
ADDRESS
DECODE EN
5k
ADDRESS BUS
MAX158
MX7828
AIN2
18
26
+5V
12
23
24
25
15 14
AIN8
V REF+
AIN1 CS
6
5
28
+5V
27
16
RD
A1
DB0–DB7
SPEECH
INPUT
A0
DATA
V DD
AIN7
BANDPASS
FILTER 1
BANDPASS
FILTER 2
AMP
V REF- GND
BANDPASS
FILTER 7
BANDPASS
FILTER 8
A2
MAX154
MX7824
AIN2
11
24 16 10
+5V
21
22
V REF-
V REF+
AIN1
INT
4
3
2
13
A0
DB0–DB7
V DD
V DD
SAMPLE
PULSE
V SS
CS RD
AIN3
1
AIN4
14
GND
12
A1
A0
A1
15
16
17
MX7226
4
18
3
+15V
6
5
A1
V REF
AGND
DB0–DB7
2
V OUT A
1
20
19
V OUT B
V OUT C
V OUT D
A0
DGND
WR
Figure 12. Speech Analysis Using Real-Time Filtering
Figure 13. 4-Channel Fast Sample and Infinite Hold
Figure 11. Simple Mode 0 Interface