ISD1750SY

Series:	ChipCorder®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Interface:	Pushbutton, SPI
Moisture Sensitivity Level (MSL):	--
Input Signal:	Analog - Single Ended, Microphone
Output Signal:	Analog - Single Ended, PWM Speaker Output
Sampling Frequency:	4 ~ 12kHz
Duration:	33 ~ 100 Sec
Filter Pass Band:	--
Messaging:	Multiple
Oscillator Type:	Internal
Features:	Automatic Gain Control, Volume Control
Operating Temperature:	0°C ~ 70°C (TA)
Voltage - Supply:	2.4V ~ 5.5V
Mounting Type:	Surface Mount
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SOIC

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ISD1750SY Interface - Voice Record and Playback

ISD1750SY is a low-power, single-chip voice recording and playback solution designed for portable audio applications. It can store up to 4 minutes of audio, making it a great choice for applications that require a discrete and convenient way to store and play audio.The ISD1750SY is a fully integrated digital signal processor that integrates all the major components of a voice recording and playback system into a single package. With advanced, high-efficiency analog-to-digital and digital-to-analog conversion, the ISD1750SY is an ideal solution for audio recording, playback and control in portable applications.

Application Field

The ISD1750SY is primarily used for applications that require a convenient, low power and cost-effective way to record and playback audio. Its main application fields include:

• Portable Audio – The ISD1750SY can be used in a wide range of portable audio applications, such as portable music players, voice recorders, MP3 players, and more.
• Voice Recognition – The ISD1750SY’s advanced signal processing capabilities make it an ideal choice for voice recognition systems such as automotive infotainment and navigation systems.
• Audio Editing – The ISD1750SY’s ability to record and playback multiple audio tracks makes it a great choice for audio editing and signal processing applications.
• Voice Messaging – The ISD1750SY is often used in voice messaging systems such as voice over IP applications, text-to-speech services, and more.
• Security and Surveillance – The ISD1750SY is often used in security and surveillance applications, particularly those that require a compact audio recorder with exceptional signal-to-noise ratio.

Working Principle

The ISD1750SY uses a combination of analog-to-digital and digital-to-analog conversion to record audio signals in digital format and playback the resulting recordings. The core components of the ISD1750SY include an analog-to-digital converter, a digital signal processor, an audio sample rate converter, and a low-power amplifier. The AD Converter is responsible for converting the audio signal from analog to digital format. The DSP processes the audio signal for compression, decompression, filtering, noise reduction, mixing, and other signal processing functions. The Sample Rate Converter ensures that the sample rate of the audio signal is compatible with the playback system. The amplifier is responsible for amplifying the digitally encoded audio signal to an audible level. The amplifier is also capable of adjusting the volume level of the audio signal. All of these components work together to record and playback audio efficiently and accurately.

Conclusion

The ISD1750SY is a low-power, single-chip voice recording and playback solution designed for portable audio applications. It can store up to 4 minutes of audio, making it a great choice for applications that require a discrete and convenient way to store and play audio. The ISD1750SY is primarily used for portable audio applications, voice recognition systems, audio editing and signal processing, voice messaging, and security and surveillance applications. The core components of the ISD1750SY include an analog-to-digital converter, a digital signal processor, an audio sample rate converter, and a low-power amplifier. All of these components work together to record and playback audio efficiently and accurately.

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