ISD4002-240EIR

Series:	ChipCorder®
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Interface:	SPI
Moisture Sensitivity Level (MSL):	--
Input Signal:	Analog - Differential
Output Signal:	Analog - Single Ended
Sampling Frequency:	4kHz
Duration:	4 Min
Filter Pass Band:	1.7kHz
Messaging:	Multiple
Oscillator Type:	Internal/External
Features:	Auto Mute
Operating Temperature:	-40°C ~ 85°C (TA)
Voltage - Supply:	2.7V ~ 3.3V
Mounting Type:	Surface Mount
Package / Case:	28-TSSOP (0.465", 11.80mm Width)
Supplier Device Package:	28-TSOP

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ISD4002-240EIR Application Field and Working Principle

ISD4002-240EIR is a type of integrated record and playback device from ISD Technology. It integrates a high quality speech record and playback processor with an analog optoisolator output. This device is mainly used in public address (PA) systems, automated prompt systems and voice message machines.This device is equipped with a digital signal processor (DSP) which enables it to provide a high quality recording and playback experience. Furthermore, the ISD4002-240EIR is equipped with features such as record protect, power on/off indicator, and conductive level limit. It is capable of storing up to 240 seconds of recorded audio, with adjustable sampling rate and replay speed settings.

Application Field

The ISD4002-240EIR is mostly used for voice record and playback applications. It is commonly seen in public address (PA) systems, telephone answering systems, automated prompt systems and voice message machines.In these applications, the ISD4002-240EIR is responsible for recording and playing back audio messages. This helps to automate processes and improve efficiency in businesses. The device is also capable of playing back audio messages in an endless loop, which is useful for looped message systems.

Working Principle

The ISD4002-240EIR utilizes a digital signal processing (DSP) chip to capture and store audio messages. It also employs an analog optoisolator output which isolates external circuits from the digital processor.The device is also equipped with features such as record protect, power on/off indicator, and conductive level limit.These features enable the device to store up to 240 seconds of recorded audio, and adjust sampling rate and replay speed accordingly.Furthermore, the ISD4002-240EIR provides a simple interface for recording and playing back audio messages. This allows for easy and efficient control of the audio messages, and provides a reliable playback experience.

Conclusion

The ISD4002-240EIR is a powerful tool for voice record and playback applications. It is equipped with features such as record protection, power on/off indicator, and conductive level limit. It also has a simple interface which makes it easy to use and efficient to control. These features make the ISD4002-240EIR the perfect choice for public address (PA) systems, automated prompt systems, voice message machines and other voice record and playback applications.

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