Nuvoton Technology Corporation of America
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ISD25120S
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ISD25120S

Product Overview

Category

ISD25120S belongs to the category of non-volatile memory integrated circuits.

Use

The ISD25120S is primarily used for storing and playing back audio data in various electronic devices such as voice recorders, toys, and alarm systems.

Characteristics

  • Non-volatile: The ISD25120S retains stored data even when power is removed.
  • Low power consumption: It operates on a low voltage supply, making it energy-efficient.
  • High storage capacity: The ISD25120S has a storage capacity of 120 seconds, allowing for extended audio playback.
  • Easy integration: The compact size and simple interface make it easy to integrate into different electronic devices.

Package

The ISD25120S is available in a small-sized package, which facilitates its installation in space-constrained applications.

Essence

The essence of the ISD25120S lies in its ability to store and reproduce audio data reliably and efficiently.

Packaging/Quantity

The ISD25120S is typically packaged individually and is available in varying quantities depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 120 seconds
  • Supply Voltage: 2.4V - 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Sampling Frequency: 8 kHz
  • Audio Output: PWM or DAC

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground connection
  3. REC: Record control input
  4. PLAYE: Playback enable control input
  5. SPK+/-: Speaker output
  6. MIC: Microphone input
  7. OSC: Oscillator input
  8. NC: No connection (reserved for future use)

Functional Features

  • Voice Recording: The ISD25120S allows users to record audio data using an external microphone.
  • Playback: It enables the playback of recorded audio through an external speaker.
  • Erase and Re-record: The ISD25120S supports erasing previously recorded audio and re-recording new content.
  • Standby Mode: It features a low-power standby mode, reducing power consumption when not in use.

Advantages and Disadvantages

Advantages

  • Non-volatile memory ensures data retention even during power loss.
  • Low power consumption extends battery life in portable devices.
  • Compact size allows for easy integration into various electronic applications.
  • Versatile functionality supports multiple recording and playback modes.

Disadvantages

  • Limited storage capacity compared to higher-end audio storage solutions.
  • Sampling frequency may not meet the requirements of certain high-quality audio applications.

Working Principles

The ISD25120S utilizes flash memory technology to store audio data. When recording, the analog audio signal is converted into digital format and stored in the non-volatile memory. During playback, the stored digital data is retrieved and converted back into an analog signal for output.

Detailed Application Field Plans

The ISD25120S finds applications in various fields, including: 1. Voice recorders: Used for personal notes, interviews, and meetings. 2. Toys: Integrated into interactive toys to provide voice prompts or sound effects. 3. Alarm systems: Utilized for pre-recorded voice alerts or alarm sounds.

Detailed and Complete Alternative Models

  1. ISD2560: Offers extended storage capacity of 60 seconds.
  2. ISD2532: Provides increased storage capacity of 32 seconds.
  3. ISD2590: Features enhanced audio quality with a sampling frequency of 9.6 kHz.

These alternative models offer different storage capacities and additional features to cater to specific application requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von ISD25120S in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of ISD25120S in technical solutions:

  1. Q: What is ISD25120S? A: ISD25120S is a non-volatile, single-chip voice record/playback solution that can be used in various technical applications.

  2. Q: What are the key features of ISD25120S? A: Some key features include 120 seconds of recording time, low power consumption, direct speaker drive capability, and a simple interface.

  3. Q: How can ISD25120S be used in technical solutions? A: ISD25120S can be used for voice prompts, audio playback, message recording, sound effects, and other applications that require voice or audio functionality.

  4. Q: What is the power supply requirement for ISD25120S? A: ISD25120S operates on a single power supply voltage of 2.4V to 5.5V.

  5. Q: Can ISD25120S be easily integrated into existing systems? A: Yes, ISD25120S has a simple interface and can be easily integrated into existing systems using standard microcontrollers or other control devices.

  6. Q: Is it possible to extend the recording time beyond 120 seconds? A: No, the ISD25120S has a fixed recording time of 120 seconds. If longer recording time is required, a different solution may be needed.

  7. Q: Can ISD25120S be used in battery-powered devices? A: Yes, ISD25120S has low power consumption and can be used in battery-powered devices without significantly draining the battery.

  8. Q: Does ISD25120S support multiple languages? A: Yes, ISD25120S can be used to record and playback voice prompts or messages in multiple languages.

  9. Q: What is the audio quality of ISD25120S? A: ISD25120S provides good audio quality with a sampling rate of 8 kHz and a 4-bit ADPCM compression algorithm.

  10. Q: Are there any limitations or considerations when using ISD25120S? A: Some considerations include limited recording time, the need for external components like a speaker and microphone, and the requirement for proper grounding and decoupling for optimal performance.

Please note that these answers are general and may vary depending on specific implementation requirements and technical details.