ISD1760SYIR

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:	40 ~ 120 Sec
Filter Pass Band:	--
Messaging:	Multiple
Oscillator Type:	Internal
Features:	Automatic Gain Control, Volume Control
Operating Temperature:	-40°C ~ 85°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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Introduction

The ISD1760SYIR is an integrated circuit (IC) that allows users to record, playback and store audio, making it an ideal choice for a variety of applications. Designed by Winbond, the IC contains a high-quality stereo record/playback processor with four separate input/output channels and an array of user settings. In addition, the unit includes an integrated I2C compatible interface for interfacing with other microcontrollers.

Application Field

The ISD1760SYIR was first released in 2008 and has been widely adopted in the intervening years, powering many applications covering a range of uses from home audio systems to commercial sensing applications.The IC is primarily used for voice recording and playback, making it ideal for use in voice-based smart home automation systems, voice recognition software and voice-controlled toys. Additionally, it is suitable for projects involving audio feedback, digital dictation, interactive exhibitors and audio logging systems.

Working Principle

The working principles of the ISD1760SYIR are heavily reliant on its I2C interface, a communication protocol used to send and receive data in a standard form between various components. To begin recording or playback, data is sent to the integrated ADC (analog-to-digital converter) or DAC (digital-to-analog converter) via the I2C interface. The ADC or DAC will then translate the data into the appropriate digital form before processing is complete.The ISD1760SYIR uses a sample-and-hold circuit to store samples of analog signals, which can range from 48KHz to 192KHz depending on the chosen settings. It is also capable of applying digital filters to the audio, such as high-pass and low-pass sound filters, to ensure the best quality audio is achieved.

Conclusion

The ISD1760SYIR is an incredibly versatile chip that has been used across a range of applications. Its ability to offer high-quality recording and playback, alongside powerful user settings makes it an ideal choice for a variety of digital audio projects. As such, it is well-positioned to continue to be a popular choice amongst users of voice-based products and applications.

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