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ISD2532SY PDF预览

ISD2532SY

更新时间： 2024-01-20 14:24:22
品牌 Logo 应用领域
华邦 - WINBOND 光电二极管商用集成电路
页数 文件大小 规格书
41页 352K
描述
Speech Synthesizer With RCDG, 32s, CMOS, PDSO28, 0.300 INCH, LEAD FREE, PLASTIC, SOIC-28

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ISD2532SY 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP28,.4
针数：28Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.65
应用：CAR STEREO; HANDSET; TRANSFORMER商用集成电路类型：SPEECH SYNTHESIZER WITH RCDG
JESD-30 代码：R-PDSO-G28长度：17.93 mm
功能数量：1端子数量：28
片上内存类型：EEPROM最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP28,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：245电源：5 V
认证状态：Not Qualified最长读取时间：32 s
座面最大高度：2.64 mm子类别：Audio Synthesizer ICs
最大压摆率：30 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.52 mmBase Number Matches：1

ISD2532SY 数据手册

 浏览型号ISD2532SY的Datasheet PDF文件第4页浏览型号ISD2532SY的Datasheet PDF文件第5页浏览型号ISD2532SY的Datasheet PDF文件第6页浏览型号ISD2532SY的Datasheet PDF文件第8页浏览型号ISD2532SY的Datasheet PDF文件第9页浏览型号ISD2532SY的Datasheet PDF文件第10页 
ISD2532/40/48/64  
PIN NO.  
SOIC/ TSOP  
PDIP  
PIN NAME  
FUNCTION  
VCCA, VCCD  
16, 28  
23, 7  
Supply Voltage: To minimize noise, the analog and digital circuits  
in the ISD2500 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.  
MIC  
17  
24  
Microphone: The microphone pin transfers input signal to the on-  
chip preamplifier. A built-in Automatic Gain Control (AGC) circuit  
controls the gain of this preamplifier from –15 to 24dB. An external  
microphone should be AC coupled to this pin via a series capacitor.  
The capacitor value, together with the internal 10 KΩ resistance on  
this pin, determines the low-frequency cutoff for the ISD2500 series  
passband. See Winbond’s Application Information for additional  
information on low-frequency cutoff calculation.  
MIC REF  
AGC  
18  
19  
25  
26  
Microphone Reference: The MIC REF input is the inverting input  
to the microphone preamplifier. This provides a noise-canceling or  
common-mode rejection input to the device when connected to a  
differential microphone.  
Automatic Gain Control: The AGC dynamically adjusts the gain of  
the preamplifier to compensate for the wide range of microphone  
input levels. The AGC allows the full range of whispers to loud  
sounds to be recorded with minimal distortion. The “attack” time is  
determined by the time constant of a 5 KΩ internal resistance and  
an external capacitor (C2 on the schematic of Figure 5 in section  
11) connected from the AGC pin to VSSA analog ground. The  
“release” time is determined by the time constant of an external  
resistor (R2) and an external capacitor (C2) connected in parallel  
between the AGC pin and VSSA analog ground. Nominal values of  
470 KΩ and 4.7 µF give satisfactory results in most cases.  
ANA IN  
20  
27  
Analog Input: The analog input transfers analog signal to the chip  
for recording. For microphone inputs, the ANA OUT pin should be  
connected via an external capacitor to the ANA IN pin. This  
capacitor value, together with the 3.0 KΩ input impedance of ANA  
IN, is selected to give additional cutoff at the low-frequency end of  
the voice passband. If the desired input is derived from a source  
other than a microphone, the signal can be fed, capacitively  
coupled, into the ANA IN pin directly.  
Publication Release Date: April 24, 2006  
- 7 -  
Revision 1.2  
1...45678910...41

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