Nuvoton Technology Corporation of America
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ISD1112S
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ISD1112S

Product Overview

Category

ISD1112S belongs to the category of integrated circuits (ICs).

Use

The ISD1112S IC is primarily used for audio recording and playback applications.

Characteristics

  • Package: The ISD1112S is available in a standard 8-pin SOIC package.
  • Essence: This IC provides high-quality audio recording and playback capabilities.
  • Packaging/Quantity: The ISD1112S is typically sold in reels containing a specified quantity of units.

Specifications

The specifications of the ISD1112S IC are as follows:

  • Supply Voltage Range: 2.4V to 5.5V
  • Recording Time: Up to 12 seconds
  • Sampling Frequency: 8 kHz
  • Audio Output: Single-ended, analog output
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of the ISD1112S IC is as follows:

  1. VDD: Power supply voltage input
  2. GND: Ground reference
  3. REC: Recording control input
  4. PLAY: Playback control input
  5. SPK+ / OUT: Positive terminal of the speaker or audio output
  6. SPK-: Negative terminal of the speaker
  7. NC: No connection
  8. VDD: Power supply voltage input

Functional Features

The ISD1112S IC offers the following functional features:

  • Simple recording and playback control through dedicated control inputs.
  • Non-volatile storage of recorded audio data, ensuring data retention even when power is disconnected.
  • High-quality audio playback with low distortion and noise.
  • Easy integration into various audio recording and playback systems.

Advantages and Disadvantages

Advantages: - Compact size and easy integration due to its small form factor. - Non-volatile storage ensures data retention. - High-quality audio playback.

Disadvantages: - Limited recording time of up to 12 seconds. - Single-ended analog output may require additional circuitry for certain applications.

Working Principles

The ISD1112S IC utilizes flash memory technology to store and retrieve audio data. When the REC input is activated, the IC enters the recording mode, capturing audio signals and storing them in its non-volatile memory. The PLAY input triggers the playback mode, where the stored audio data is retrieved and played back through the audio output.

Application Field Plans

The ISD1112S IC finds applications in various fields, including:

  1. Voice recorders
  2. Message playback systems
  3. Toys and novelty items with audio capabilities
  4. Security systems with voice prompts
  5. Industrial equipment with audio feedback

Alternative Models

Below are some alternative models that offer similar functionality to the ISD1112S IC:

  1. ISD1110S
  2. ISD1120S
  3. ISD1130S

These alternative models can be considered based on specific requirements and desired features.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ISD1112S i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of ISD1112S in technical solutions:

  1. Q: What is ISD1112S? A: ISD1112S is a digital voice recorder and playback chip commonly used in technical solutions.

  2. Q: What are the key features of ISD1112S? A: The key features of ISD1112S include high-quality audio recording and playback, low power consumption, and easy integration into various applications.

  3. Q: How can I interface ISD1112S with a microcontroller? A: ISD1112S can be interfaced with a microcontroller using standard digital communication protocols such as I2C or SPI.

  4. Q: What is the maximum recording duration supported by ISD1112S? A: The maximum recording duration depends on the available memory capacity. ISD1112S supports up to 12 seconds of recording time.

  5. Q: Can ISD1112S be used in battery-powered devices? A: Yes, ISD1112S is designed for low power consumption and can be used in battery-powered devices.

  6. Q: Is it possible to store multiple audio messages in ISD1112S? A: Yes, ISD1112S supports multiple message storage. It has separate memory banks that can be used to store different audio messages.

  7. Q: How can I control the playback of audio messages stored in ISD1112S? A: Playback control can be achieved by sending appropriate commands to ISD1112S through the microcontroller interface.

  8. Q: Can ISD1112S be used in industrial applications? A: Yes, ISD1112S is suitable for industrial applications due to its robust design and wide operating temperature range.

  9. Q: Does ISD1112S support audio compression? A: No, ISD1112S does not support audio compression. It stores audio in a raw format.

  10. Q: Are there any development tools or software libraries available for ISD1112S? A: Yes, the manufacturer provides development tools and software libraries to facilitate the integration of ISD1112S into technical solutions.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.