ISD4003 SERIES
VCC
U2
U1
3
22
27
4
MISO
VCCD
D3
23
24
GND
µ
C2 0.22
F
F
2
28
1
21
20
19
MOSI
SCLK
SS
D2
D1
D0
VSSD
C1
47
F
µ
28
27
26
G3
G2
G1
18
23
VCCA
VSSA
RESET
C3 0.22µ
12
11
VSSA
VSSA
INT 25
3
C4
SI
SK
G7
SO
C9
µ
1
F
µ
0.1
F
J1
16
13
2
4
1
3
2
4
5
1
ANA IN-
AUD OUT
VCC
COP 820C
LINE OUT
ISD4003
6
VCC
R2
1M
C8
µ
0.1
L7
L6
L5
L4
F 17
24
18
17
16
ANA IN+
RAC
R1
10K
R7
R4
R3 100
Ω
3.3 K
14
100K POT
AM CAP
1
3
5
7
8
15
CLI
10
C5
2
U3
14
13
L3
L2
L1
L0
25
26
1µ F
INT
13
11
-IN
GAIN-OUT
V01
11
J4
3
2
4
5
1
10
14
+IN
C10
82 pF
EXT
SPEAKER
9
12
11
12
13
VCC
XCLK
VCC
15
12
V02
VDD
5
10
BYPASS
6
7
HP-IN1
HP-IN2
C6
R6
4.7 K
C7
.1
µ
1
F
R5
4.7 K
Ω
1
4
8
9
GND
GND
GND
GND
GND
µ
F
Ω
3
2
HPSENSE
PDIP / SOIC
SHUTDOWN
16
LM4860M
FIGURE 11: APPLICATION EXAMPLE USING SPI PORT ON MICROCONTROLLER
Publication Release Date: October 26, 2005
Revision 1.2
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