Sub-Audio Signaling Processor
Page 7 of 24
MX805A
3 External Components
V
DD
R7
+
SEE INSET
XTAL
XTAL/CLOCK
ADDRESS SELECT
IRQ
SERIAL CLOCK
COMMAND DATA
CS
REPLY DATA
R8
TX SUB-AUDIO OUT
C7
AUDIO IN
AUDIO OUT
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
MX805AJ
24
23
22
21
20
19
18
17
16
15
14
13
V
DD
WAKE
NOTONE
COMPARATOR OUT
COMPARATOR IN (+)
COMPARATOR IN (-)
V
BIAS
RX SUB-AUDIO OUT
RX SUB-AUDIO IN
RX AMP OUT
RX AMP IN (+)
RX AMP IN (-)
R6
C6
+
C5
R4
C8
C3
R3
D1
D2
R2
R5
+
C4
INSET
XTAL
1
X1
R1
XTAL/CLOCK
MX805AJ
2
C2
C1
Figure 2: Recommended External Components
Component
Notes
Value
Tolerance
Component
Notes
Value
Tolerance
R1
R2
R3
R4
R5
R6
R7
R8
C1
C2
5
4
1
4
4
1.0M
Ω
360k
Ω
10.0k
Ω
150k
Ω
100k
Ω
150k
Ω
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
C3
C4
C5
C6
C7
C8
D1
D2
X1
8
8
1.5
µ
F
15.0
µ
F,
6V Tant.
1.0
µ
F,
10V Tant.
1.0
µ
F,
10V Tant.
0.1
µ
F,
25V x 7R
1.0
µ
F
±20%
±20%
±20%
±20%
±20%
6
2
5
5
22.0k
Ω
360k
Ω
4.00MHz
Table 3: Recommended External Components
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2001 MX-COM, Inc.
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
All trademarks and service marks are held by their respective companies.
Doc. # 20480116.005
CMLMICRO [ CML MICROCIRCUITS ]
