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ISD1XXXA

更新时间： 2024-02-14 13:24:14
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
20页 392K
描述
Single-Chip Voice Record/Playback Devices 16- and 20-Second Durations

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ISD1XXXA 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：ROHS COMPLIANT, PLASTIC, SURFACE MOUNT PACKAGE-8
Reach Compliance Code：compliantHTS代码：8541.40.80.00
风险等级：5.27其他特性：UL RECOGNIZED, VDE APPROVED
Coll-Emtr Bkdn Voltage-Min：50 V配置：SEPARATE, 2 CHANNELS
标称电流传输比：20%最大暗电源：50 nA
最大正向电流：0.05 A最大绝缘电压：5300 V
元件数量：2最高工作温度：100 °C
最低工作温度：-25 °C光电设备类型：TRANSISTOR OUTPUT OPTOCOUPLER
Base Number Matches：1

ISD1XXXA 数据手册

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ISD1000A Series  
Product Data Sheets  
assures the lowest possible overall power con-  
sumption.  
ISD1000A SERIES PINOUTS  
On-chip control functions make the ISD1000A  
Series very easy to use in a wide array of applica-  
tions. Each device offers a variety of operating  
modes and interface options. The devices may be  
used in applications that require little more than a  
few switches and a battery. The devices may also  
be integrated into electronic systems where digital  
addresses can be provided for more sophisti-  
cated message addressing and control. The  
ISD1000A array is organized into 160 segments.  
Addresses A0 through A7 provide access to each  
segment in the array for message addressing.  
Addressing provides the capability of construct-  
ing messages by combining stored phrases and  
sounds.  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
M0/A0  
M1/A1  
M2/A2  
M3/A3  
M4/A4  
M5/A5  
NC  
NC  
A6  
A7  
AUX IN  
V
CCD  
P/R  
XCLK  
EOM  
PD  
2
3
4
5
6
CE  
NC  
7
8
ANA OUT  
ANA IN  
AGC  
MIC REF  
MIC  
9
10  
11  
12  
13  
14  
V
SSD  
V
SSA  
V
CCA  
SP+  
SP–  
DIP/SOIC  
1
to achieve longer recording durations. The non-  
volatile storage array is based on production-  
proven, low-power CMOS EEPROM technology.  
PIN DESCRIPTIONS  
Voltage Inputs (V , V  
)
CCA CCD  
The highly integrated ISD1000A Series contains  
all the basic functions required for high-quality  
voice Recording and Playback. The noise-cancel-  
ling Microphone Preamplifier and Automatic Gain  
Control (AGC) record both low-volume and high-  
volume sounds. The AGC attack and release  
times are adjusted by an external resistor and  
capacitor. Antialiasing is performed by a continu-  
ous fifth-order Chebyshev filter, requiring no exter-  
nal components or clocks to give toll-quality  
reproduction. The low corner of the passband is  
user-settable by two external capacitors. The  
devices contain their own temperature-stabilized  
timebase oscillator.  
To minimize noise, the analog and digital circuits  
in the ISD1000A Series devices use separate  
power busses. These voltage busses are brought  
out to separate pins and should be tied together  
as close to the supply as possible. In addition,  
these supplies should be decoupled as close to  
the package as possible.  
Ground Inputs (V , V  
)
SSA SSD  
The ISD1000A Series of devices utilizes separate  
analog and digital ground busses. These pins  
should be tied together as close to the package  
as possible and connected through a low-imped-  
ance path to power supply ground.  
The ISD1000A devices drive a speaker directly  
through differential outputs. This boosts power by  
four times and eliminates the need for a series  
capacitor or an output amplifier. The device will  
operate from a single power supply or from batter-  
ies. The device also includes a power down func-  
tion for applications where minimum power  
consumption is critical. The CMOS-based design,  
combined with the nonvolatile storage array,  
Power Down Input (PD)  
When not recording or playing back, the PD pin  
should be pulled HIGH to place the part in a very  
low power mode (see I specification). When  
EOM pulses LOW for an overflow condition, PD  
should be brought HIGH to reset the address  
pointer back to the beginning of the Record/Play-  
back space.  
SB  
1 –3  
1234567...20

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