ISD1740EYI

Description：IC VOICE REC/PLAY 80SEC 28TSOP
Series：ChipCorder®

SKU:10011ddbe838 Category: Voice Record and Playback Brand: Nuvoton Technology Corporation

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Product introduction

Product Detailed Parameters

Description：IC VOICE REC/PLAY 80SEC 28TSOP
Series：ChipCorder®
Mfr：Nuvoton Technology Corporation
Package：Tray
Interface：Pushbutton, SPI
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：-40°C ~ 85°C (TA)
Voltage - Supply：2.4 V ~ 5.5 V
Mounting Type：Surface Mount
Package / Case：28-TSSOP (0.465", 11.80mm Width)
Supplier Device Package：28-TSOP
Grade：-
Qualification：-

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ISD1740EYI

Overview

The ISD1740EYI is an obsolete voice recording and playback integrated circuit from Nuvoton's ChipCorder series. It provides 80 seconds of recording time in a 28-TSOP package. The device supports pushbutton and SPI interfaces for control. Input signals are analog single-ended or microphone, while output is analog single-ended or PWM speaker output.

Feature Summary

Integrated voice recording and playback functionality
Supports pushbutton and serial peripheral interface (SPI) control modes
Accepts analog single-ended or microphone input signals
Delivers analog single-ended or pulse-width modulation speaker output

Applications

Voice message modules
Toy electronics with sound effects
Industrial announcement systems
Consumer audio devices

Procurement Notes

Verify component status as the ISD1740EYI is listed as obsolete. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing design requirements given the discontinued status. Check datasheet revisions for any specific handling or storage instructions relevant to legacy inventory.

Selection Notes

Select this component for applications requiring simple voice recording without complex digital processing. Consider the 80-second limit and TSOP packaging constraints. Evaluate interface needs against pushbutton or SPI capabilities. Assess suitability for cost-sensitive designs where dedicated voice ICs are preferred over microcontroller-based solutions.

Part Context

Part of the ChipCorder family designed for standalone voice applications. Manufactured by Nuvoton Technology Corporation, specializing in microcontrollers and interface ICs. The series targets markets needing reliable, low-cost audio recording solutions with minimal external components.

Replacement Considerations

As the part is obsolete, identify compatible successors within the ISD17xx series. Verify pinout and interface compatibility before substitution. Consult official replacement guides for updated features or performance improvements in newer generations.