Nuvoton Technology Corporation of America
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ISD1740EYI01
Voir les détails DataSheets

ISD1740EYI01

Product Overview

  • Category: Integrated Circuit
  • Use: Audio Recording and Playback
  • Characteristics: Non-volatile, Single-Chip Solution
  • Package: 28-pin PDIP (Plastic Dual In-line Package)
  • Essence: High-Quality Digital Voice Storage and Playback
  • Packaging/Quantity: Tray, 100 pieces per tray

Specifications

  • Memory Capacity: 40 seconds of audio recording/playback
  • Sampling Frequency: 8 kHz
  • Audio Quality: 16-bit PCM (Pulse Code Modulation)
  • Operating Voltage: 2.4V to 5.5V
  • Operating Temperature: -40°C to +85°C
  • Interface: Serial SPI (Serial Peripheral Interface)

Detailed Pin Configuration

  1. VDD: Power Supply
  2. GND: Ground
  3. CS: Chip Select
  4. SCLK: Serial Clock
  5. SI: Serial Input
  6. SO: Serial Output
  7. WP: Write Protect
  8. HOLD: Hold Input
  9. RESET: Reset Input
  10. XTI: Crystal Oscillator Input
  11. XTO: Crystal Oscillator Output 12-19. NC: No Connection
  12. VREF: Reference Voltage Output 21-24. NC: No Connection
  13. VOUT: Audio Output 26-28. NC: No Connection

Functional Features

  • High-quality audio recording and playback
  • Non-volatile storage of voice messages
  • Simple and easy-to-use single-chip solution
  • Low power consumption
  • Flexible interface for easy integration with microcontrollers

Advantages

  • Compact size and low cost
  • Reliable and durable non-volatile memory
  • Wide operating voltage range allows for versatile applications
  • High audio quality with 16-bit PCM encoding
  • Easy integration with existing systems

Disadvantages

  • Limited memory capacity (40 seconds)
  • Requires an external crystal oscillator for accurate timing
  • Serial SPI interface may require additional circuitry for compatibility with certain microcontrollers

Working Principles

The ISD1740EYI01 is based on the principle of digital voice storage and playback. It utilizes non-volatile memory to store audio recordings in a compressed digital format. The integrated circuit includes a built-in analog-to-digital converter (ADC) for recording and a digital-to-analog converter (DAC) for playback. The serial SPI interface allows for easy control and communication with external microcontrollers.

Detailed Application Field Plans

  1. Voice recorders and playback devices
  2. Message recording and playback systems
  3. Interactive toys and educational devices
  4. Security systems with voice prompts
  5. Industrial automation and control systems

Alternative Models

  1. ISD1760PY: 60-second audio recording/playback, I2C interface
  2. ISD1790PY: 90-second audio recording/playback, I2C interface
  3. ISD1820PY: 20-second audio recording/playback, single-chip solution

(Note: These alternative models are provided as examples and may have different specifications and pin configurations. Please refer to the respective datasheets for detailed information.)

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Énumérez 10 questions et réponses courantes liées à l'application de ISD1740EYI01 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of ISD1740EYI01 in technical solutions:

  1. Q: What is ISD1740EYI01? A: ISD1740EYI01 is a voice recording and playback chip that can be used in various technical solutions.

  2. Q: How does ISD1740EYI01 work? A: ISD1740EYI01 works by converting analog audio signals into digital format for recording, and then playing back the recorded audio through a speaker or other audio output device.

  3. Q: What are the key features of ISD1740EYI01? A: Some key features of ISD1740EYI01 include high-quality audio recording and playback, low power consumption, multiple recording modes, and built-in non-volatile memory.

  4. Q: Can ISD1740EYI01 be used in embedded systems? A: Yes, ISD1740EYI01 is commonly used in embedded systems where voice recording and playback functionality is required.

  5. Q: What is the maximum recording duration of ISD1740EYI01? A: The maximum recording duration of ISD1740EYI01 depends on the available memory size, but it can typically record several minutes of audio.

  6. Q: Can ISD1740EYI01 be controlled using microcontrollers? A: Yes, ISD1740EYI01 can be easily controlled using microcontrollers through its serial interface.

  7. Q: Does ISD1740EYI01 support audio compression? A: No, ISD1740EYI01 does not support audio compression. It records and plays back audio in uncompressed format.

  8. Q: Can ISD1740EYI01 be used in battery-powered devices? A: Yes, ISD1740EYI01 has low power consumption and can be used in battery-powered devices.

  9. Q: What is the voltage supply range for ISD1740EYI01? A: The voltage supply range for ISD1740EYI01 is typically between 2.4V and 5.5V.

  10. Q: Are there any development tools or libraries available for ISD1740EYI01? A: Yes, the manufacturer provides development tools and libraries that can be used to interface with ISD1740EYI01 and integrate it into technical solutions.

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