ISD4002-240EY

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Part Status:	Obsolete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:	0°C ~ 70°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

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

ISD4002-240EY is an interface-voice record and playback device. It is widely used in communication, security and industrial applications that require high quality recording and playback. ISD4002-240EY is a low-power, two-channel analog-to-digital converter. It supports playback of up to two channels of audio with up to 12 bits/128 kbps resolution.

Application Fields

ISD4002-240EY is suitable for a wide range of applications, including voice recording and playback for:

• Automated answering systems
• Video conferencing systems
• Voice over IP (VoIP) systems
• Voice activated switches
• Security systems
• Audio playback for industrial applications
• Automated customer service applications
• Speech recognition systems
• Automatic audio cueing systems
• Automotive audio systems

Working Principles

ISD4002-240EY is a integrated circuits composed of dual analog-to-digital converters (ADC), dual digital-to-analog converters (DAC), integrated low pass filters, record and playback logic and I/O control. The device operates in idle mode until triggered by a REC/PLAY signal. When triggered, the device will enable a timer counting down the specified time for recording and playback. After the timer has expired, the device will enter the idle state again. In the idle state, the device can be configured to have a low power consumption. The power consumption of the device can be regulated by changing the drive capacity and time of operation of the capacitors.When the REC/PLAY signal is triggered, the ADC input will convert incoming analog signals into digital words. The digital words are fed to the internal buffer memory where they are stored for future playback. The playback process is similar. The digital words stored in the buffer memory are read by the DAC output and converted into analog signals.

Conclusion

In conclusion, ISD4002-240EY is an interface-voice record and playback device, widely used in communication, security and industrial applications. It is composed of dual analog-to-digital converters (ADC), dual digital-to-analog converters (DAC), integrated low pass filters, record and playback logic and I/O control. Furthermore, it has a low power consumption and is capable of supporting up to two channels of audio with up to 12 bits/128 kbps resolution.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description