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Part Name
Description
ISD2532E View Datasheet(PDF) - Winbond
Part Name
Description
Manufacturer
ISD2532E
SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION
Winbond
ISD2532E Datasheet PDF : 42 Pages
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ISD2532/40/48/64
11. TYPICAL APPLICATION CIRCUIT
V
CC
V
SS
CHIP ENABLE
R4
100 K
Ω
POWER DOWN
PLAYBACK/RECORD
ISD2532/40/48/64
V
CC
1
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
9
A7
10
A8
23
CE
24
PD
27
P/R
25
OEM
22
OVF
26
XCLK
V
CCD
28
V
CCA
16
C6
0.1
µ
F
V
SSD
12
V
SSA
13
SP+
14
SP-
15
AUX IN
11
ANA IN
20
ANA OUT
21
R6
5.1 K
Ω
C7
0.1
µ
F
C3
0.1
µ
F
C8
22
µ
F
16
Ω
SPEAKER
MIC REF
18
MIC
17
AGC
19
(Note)
V
CC
C1
0.1
µ
F
R1
1 K
Ω
R3
10 K
Ω
R2
470 K
Ω
C2
4.7
µ
F
C4
220
µ
F
ELECTRET
MICROPHONE
C5
0.1
µ
F
R5
10 K
Ω
FIGURE 5: DESIGN SCHEMATIC
Note: If desired, pin 18 (PDIP package) may be left unconnected (microphone preamplifier noise will be higher). In
this case, pin 18 must not be tied to any other signal or voltage. Additional design example schematics are
provided below.
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