參數(shù)資料
型號: ISD1750A
廠商: WINBOND ELECTRONICS CORP
英文描述: Multi-Message Single-Chip Voice Record&Playback Devices
中文描述: 多信息單芯片語音記錄
文件頁數(shù): 26/31頁
文件大?。?/td> 360K
代理商: ISD1750A
ISD1700A SERIES
- 26 -
11 TYPICAL APPLICATION CIRCUITS
Two example circuits illustrate recording via MIC and AnaIn inputs, respectively. These examples
show typical implementations of ISD1740A/50A/60A devices. .
Example #1:
ISD1740A
ISD1750A
ISD1760A
R
OSC
V
CCA
V
SSA
V
CCP
V
SSP1
V
SSP2
SP+
AUD
ERASE
PLAY
REC
AGC
V
SSD
V
CCD
RESET
FT
ANA IN
MIC -
MIC+
NC
TE1
TE2
TE3
FWD
VOL
V
CCA
0.1 F
μ
LED
1 K
V
CCD
*
D1
24
23
25
26
19
3
10
11
20
18
2
1
28
17
22
9
V
CC
V
CCA
V
CCD
V
CCP
SP-
V
CCP
0.1 F
0.1 F
*
*
21
8
14
16
12
15
13
Speaker
or Buzzer
0.1 F
*
RDY
27
R6
390
0.C5
V
CC
Q1
8050C
Speaker
Optional: based upon the applications
vAlert
7
6
5
4
Vcc
V
CC
4.7 F
4.7 K
0.1 F
4.7 K
0.1 F
4.7 K
Rosc **
4.7 F
**
Sample Freq [kHz]: 12 8 6.4 4
Rosc [K ] 60 80 100 160
***
***
Recording via MIC input
Notes:
*
These capacitors may be needed in order to optimize for the best voice quality, which is also dependent
upon the layout of the PCB. Depending on system requirements, they can be 10
μ
F, 4.7
μ
F or other values.
Please refer to the ChipCorder Applications section or consult Winbond for layout advice.
**
For Sampling Freq at 8 kHz, Rosc = 80 K
***
It is important to have a separate path for each ground and power back to each terminal to minimize the
noise. Also, the power supplies should be decoupled as close to the device as possible
.
相關PDF資料
PDF描述
ISD1700A Multi-Message Single-Chip Voice Record&Playback Devices
ISD1740A RES 2K00 SM 1/8W F 0805C THKF 100PPM TR
ISD1760A Multi-Message Single-Chip Voice Record&Playback Devices
ISD1800 SINGLE-CHIP, SINGLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 6- TO 16-SECOND DURATION
ISD1810 Single-Chip, Single-Message Voice Record/Playback Device 8- to 16-Second Durations(單片聲音錄音/回放芯片(單片信息存儲持續(xù)時間8到16秒鐘))
相關代理商/技術參數(shù)
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