ISD1800 Datasheet, PDF (19/26 Pages) Winbond – SINGLE-CHIP, SINGLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 6- TO 16-SECOND DURATION

I1800 SERIES
11. TYPICAL APPLICATION CIRCUIT
DI
REC
LED
PLAYL
PLAYE
RECORD
C3
0.001 µF
R2
R6
1 KΩ
ROSC
FT
I1800
V_CCD
V_CCA
V_SSD
V_SSA
SP +
SP -
PLAYL
PLAYE
REC
RECLED
XCLK
MIC REF
MIC
AGC
V_CC
C2
0.1 µ F
R1
1 KΩ
(REXT)
8 Ω'
SPEAKER
C4
0.1 µ F
R3
4.7 KΩ
C1
220 µ F
ELECTRET
MICROPHONE
C6
4.7 µ F
C5
0.1 µ F
R4
4.7 KΩ
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Publication Release Date: May 2003
Revision 0.0