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Product Detailed Parameters
- Description：IC VOICE REC/PLAY 480SEC 28SOIC
- Series：ChipCorder®
- Mfr：Nuvoton Technology Corporation
- Package：Tape & Reel (TR)
- 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：-40°C ~ 85°C (TA)
- Voltage - Supply：2.4 V ~ 5.5 V
- Mounting Type：Surface Mount
- Package / Case：28-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：28-SOIC
- Grade：-
- Qualification：-
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Overview
The Nuvoton ISD17240SYIR is a single-chip multi-message voice record and playback device from the ISD1700 ChipCorder series. It features an internal oscillator, microphone preamplifier with Automatic Gain Control (AGC), and Multi-Level Storage (MLS) array for non-volatile message storage. The device supports standalone push-button or SPI microcontroller modes. Operating voltage ranges from 2.4 V to 5.5 V, with an industrial temperature range of -40°C to +85°C. Sampling frequency is adjustable from 4 kHz to 12 kHz via an external resistor. Message duration for this specific model ranges from 160 seconds at 12 kHz to 480 seconds at 4 kHz. It includes a PWM Class D speaker driver and analog output.
Feature Summary
- Integrated message management system allowing self-managed address locations for multiple messages in standalone mode.
- Dual operating modes supporting simple push-button control or full user control via SPI interface.
- Patented Multi-Level Storage (MLS) technology enabling direct audio data storage in solid-state memory without digital compression.
- Built-in Pulse Width Modulation (PWM) Class D speaker driver capable of directly driving standard speakers or buzzers.
Applications
- Electronic systems requiring high-quality voice recording and playback
- Battery-powered applications due to wide operating voltage range
- Microcontroller-based systems utilizing SPI communication
- Industrial environments requiring operation across extended temperature ranges
Procurement Notes
Verify the exact ordering suffix against official documentation to confirm package type and temperature grade. Confirm current product status as datasheets may indicate end-of-life phases. Ensure the required sampling frequency resistor value matches the desired duration specifications before procurement.
Selection Notes
Select based on required message duration and sampling frequency combinations. Verify that the 28-SOIC package fits the PCB layout constraints. Consider the power supply requirements within the 2.4 V to 5.5 V range. Evaluate if standalone or SPI mode best suits the system architecture.
Part Context
This component belongs to the Nuvoton ISD1700 ChipCorder series, which offers various message durations. The ISD17240 specifically provides longer recording times compared to shorter duration variants like the ISD1730 or ISD1760 within the same family.
Replacement Considerations
Check for other models within the ISD1700 series such as ISD1730, ISD1760, or ISD17120 for different duration needs. Verify pin compatibility and electrical characteristics when substituting with other ISD17xx devices.
