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Product Detailed Parameters
- Description：IC VOICE REC/PLAY 480SEC 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：160 ~ 480 Sec
- Filter Pass Band：-
- Messaging：Multiple
- Oscillator Type：Internal
- Features：Automatic Gain Control, Volume Control
- Operating Temperature：0°C ~ 70°C (TA)
- Voltage - Supply：2.4 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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Overview
The Nuvoton ISD17240EY is a single-chip voice record and playback device from the ISD1700 ChipCorder series. It features Multi-Level Storage (MLS) technology for non-volatile message storage without digital compression. The device supports sampling frequencies of 4 kHz to 12 kHz, selectable via an external resistor. Message duration ranges from 26 seconds to 120 seconds depending on the specific model variant. Operating voltage spans 2.4 V to 5.5 V. It includes an internal oscillator, microphone preamplifier with Automatic Gain Control (AGC), and a PWM Class D speaker driver. The component operates in standalone push-button mode or SPI microcontroller mode.
Feature Summary
- Integrated message management system allowing self-managed address locations for multiple messages in standalone applications.
- Dual operating modes supporting simple push-button control or full user control via SPI interface.
- High-quality audio reproduction using patented Multi-Level Storage (MLS) technology for direct solid-state memory storage.
- Built-in Automatic Gain Control (AGC) for microphone inputs and configurable volume levels.
Applications
- Electronic systems requiring multi-message voice recording and playback
- Standalone push-button voice messaging devices
- Microcontroller-based voice interaction modules
Procurement Notes
Verify the exact suffix 'EY' against the manufacturer's official ordering information table to confirm temperature grade and package type. Ensure the selected variant matches the required industrial or commercial operating conditions. Confirm availability status as product lines may undergo lifecycle changes.
Selection Notes
Select based on required message duration and sampling frequency combinations. Choose between standalone or SPI modes based on system complexity. Ensure power supply voltage aligns with the 2.4 V to 5.5 V range. Verify package compatibility with PCB layout constraints.
Part Context
The ISD17240EY belongs to the Nuvoton ISD1700 ChipCorder series, which offers fully integrated voice recording solutions. This series utilizes proprietary MLS technology to store audio data directly in Flash memory, eliminating the need for external compression chips or complex digital signal processing.
Replacement Considerations
Check for other models within the ISD1700 series such as ISD1730, ISD1760, or ISD17120 if different duration requirements are needed. Verify pinout and functional compatibility before substituting with other voice recorder ICs.
