ISD1740EY

Series:	ChipCorder®
Part Status:	Obsolete
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:	26 ~ 80 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-TSSOP (0.465", 11.80mm Width)
Supplier Device Package:	28-TSOP

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Introduction

The ISD1740EY (Integrated Sound Digital Hearable) is an integrated microcircuit for voice recording and playback, with the ability to record up to 40 seconds of sound at a maximum sample rate of 8KHZ. It is designed to be used in a wide range of applications, from consumer audio products to industrial sound recognition systems. In this article we will look at the different application fields and working principles of the ISD1740EY device.

Applications

The ISD1740EY is well-suited for both consumer and professional audio applications. In consumer electronics, it can be used in a wide range of products, such as voice recorders, digital answering machines, toys, and more. It has the capability of reliably recording up to 40 seconds of high-quality audio with minimal power consumption and storage requirements.In professional audio applications, the ISD1740EY could be found in voice recognition systems, security and surveillance equipment, medical instrumentation, and more. It has ready interfaces for both analog and digital audio input and output, making it versatile enough to be used in a variety of applications.

Working Principle

The ISD1740EY is a complete solution for both recording and playback. The device contains an audio processor that is used to convert the analog sound signals from microphones or other audio inputs into digital data. This data is then stored in the integrated memory and is used for playback.When it comes time to playback the recorded audio, the device retrieves the stored data from the memory and plays it back through the onboard speaker. The device is also capable of connecting to external speakers for amplified audio reproduction.

Conclusion

The ISD1740EY is a highly versatile device with applications in both consumer and professional audio fields. It can accurately store and reproduce sound of up to 40 seconds with minimal power consumption and storage. The device is an ideal solution for a wide variety of voice recording and playback applications.

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