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ISD1020API bảng dữ liệu(PDF) 17 Page - List of Unclassifed Manufacturers

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Giải thích chi tiết về linh kiện  Single-Chip Voice Record/Playback Devices 16- and 20-Second Durations
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ISD1020API bảng dữ liệu(HTML) 17 Page - List of Unclassifed Manufacturers

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Product Data Sheets
ISD1000A Series
1
SSD
SSA
A0
A1
A2
A3
A4
A5
A6
A7
CE
PD
P/R
EOM
XCLK
V
V
V
V
SP+
SP–
AUX IN
ANA IN
ANA OUT
MIC REF
MIC
AGC
CCD
CCA
C3
16
Ω
SPEAKER
1
2
3
4
5
6
9
10
23
24
27
25
26
28
16
12
13
14
15
11
20
21
18
17
19
ELECTRET
MICROPHONE
0.1
µF
CC
V
CC
V
22
µF
SS
V
PLAYBACK/RECORD
POWER DOWN
CHIP ENABLE
ISD1016A/1020A
0.1
µF
0.1
µF
C5
0.1
µF
Mic Ref
C1
0.1
µF
CC
V
C2
4.7
µF
470 K
Ω
R2
1 K
Ω
R1
10 K
Ω
R3
C4
220
µF
(Note)
R5
5.1 K
Ω
10 K
Ω
R4
C7
C6
C8
APPLICATION EXAMPLE – DESIGN SCHEMATIC
APPLICATION EXAMPLE – BASIC DEVICE CONTROL
Control Step
Function
Action
1
Power up chip and select record/playback mode
1. PD = LOW
2. P/R = As desired
2
Set message address for record/playback
Set addresses A0–A7
3
Begin playback/record
CE = Pulsed LOW (Playback)
CE = Held LOW (Record)
4
End cycle
CE = HIGH and EOM reached
NOTE:
If desired, pin 18 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 in
the Application Notes and Design Manual in this book.
06.DataBook_1000A Dsht Page 17 Friday, September 27, 1996 10:44 AM



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