ISD4002-180S

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ISD4002-180S is an integral part of the interface-voice recording and playback family. It offers 180 seconds of recording and playback time, making it ideal for applications such as speech recognition, voice prompt, announcement or tone recording. It is manufactured in standard 24-pin DIP package for easy integration into product designs.

ISD4002-180S employs the Charge Coupled Device (CCD) technology to capture and playback the sound. The CCD contains an array of capacitors, which charge when a sound wave passes through them. The capacitors will then discharge in accordance with the amount of sound energy each one receives. This is done by varying the time each capacitor takes to discharge, depending on the sound intensity it has just received. The voltage from the capacitor array is then used to drive the speaker or headphones.

In terms of recording, ISD4002-180S uses the Record/Playback Push Button. When pressed, it will activate the device and start recording. The recording will occur until the end of its operating time period, which is 180 seconds. The device is also equipped with an LED indicator which will indicate when the device is in a recording or playback mode.

The device also features multiple erase and write protection modes. It allows users to put the device into a recording or playback mode and erase only the parts of the recording they do not need. The write protection allows the user to overwrite a previous recording while keeping the one before it safe and secure. This feature enables ISD4002-180S to be used in scenarios such as kiosks and voice activated devices.

ISD4002-180S is also well suited for use in communication systems. It is equipped with a multiplex flag, which is useful for communications over a telephone line. It can be used to detect transmissions from incoming calls or to send a transmission in response. The device also supports data encoding for encoding and decoding voice and other messages for transmission over the telephone lines.

The device also has a set of terminals for connecting to the power supply and audio input. The input can be in the form of a microphone, CD or tape player. The output can be used to drive a speaker or headphones. The output level control allows you to adjust the volume as needed.

ISD4002-180S is a reliable, user friendly device that offers a great solution for recording and playback applications. Its 180 second recording and playback time makes it perfect for applications such as speech recognition, voice prompts, announcements and tone recording. With a wide range of features such as multiple erase and write protection modes, multiplex flag and data encoding, it is the perfect choice for use in communication systems.

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