Nuvoton Technology Corporation of America
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ISD1790EY01
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ISD1790EY01

Product Overview

Category

ISD1790EY01 belongs to the category of integrated circuit (IC) chips.

Use

It is primarily used for audio recording and playback applications.

Characteristics

  • High-quality audio recording and playback capabilities
  • Low power consumption
  • Compact size
  • Easy integration into electronic devices

Package

ISD1790EY01 is available in a small outline package (SOP).

Essence

The essence of ISD1790EY01 lies in its ability to provide reliable and efficient audio recording and playback functionality.

Packaging/Quantity

ISD1790EY01 is typically packaged in reels and comes in quantities of 1000 units per reel.

Specifications

  • Supply voltage: 2.4V - 5.5V
  • Recording time: Up to 90 seconds
  • Sampling frequency: 8 kHz
  • Audio format: Linear PCM
  • Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground connection
  3. REC: Record control pin
  4. PLAYE: Playback enable control pin
  5. SPK+/-: Speaker output pins
  6. MIC+/-: Microphone input pins
  7. VREF: Reference voltage input
  8. CSB: Chip select input
  9. SDA: Serial data input/output
  10. SCL: Serial clock input

Functional Features

  • Simple interface for easy integration with microcontrollers or other digital systems
  • Non-volatile storage for retaining recorded audio even when power is disconnected
  • Built-in analog-to-digital converter (ADC) and digital-to-analog converter (DAC)
  • Automatic gain control (AGC) for optimal recording quality
  • Multiple playback modes, including single-shot and continuous playback

Advantages and Disadvantages

Advantages

  • High-quality audio recording and playback
  • Low power consumption
  • Compact size for space-constrained applications
  • Easy integration into various electronic devices

Disadvantages

  • Limited recording time (up to 90 seconds)
  • Fixed sampling frequency (8 kHz)

Working Principles

ISD1790EY01 utilizes flash memory technology to store audio data. When recording, the analog audio signal is converted into digital format using the built-in ADC and then stored in the flash memory. During playback, the stored digital audio data is retrieved from the flash memory and converted back into an analog signal using the DAC.

Detailed Application Field Plans

ISD1790EY01 finds applications in various fields, including: 1. Voice recorders 2. Message playback systems 3. Alarm systems 4. Toys and games with audio features 5. Automotive audio systems

Detailed and Complete Alternative Models

  1. ISD1820PY: Similar audio recording and playback IC with extended recording time.
  2. ISD1760PY: Audio recording and playback IC with higher sampling frequency.
  3. ISD17120PY: Audio recording and playback IC with longer recording time and additional features.

Note: The above alternative models are provided as examples and may not cover all available options.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng ISD1790EY01 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of ISD1790EY01 in technical solutions:

  1. Q: What is ISD1790EY01? A: ISD1790EY01 is a single-chip voice record/playback solution that provides high-quality audio recording and playback capabilities.

  2. Q: What are the key features of ISD1790EY01? A: The key features include non-volatile storage, low power consumption, multiple playback modes, integrated analog front-end, and a wide operating voltage range.

  3. Q: How can ISD1790EY01 be used in technical solutions? A: ISD1790EY01 can be used in various applications such as voice messaging systems, security systems, medical devices, toys, and other electronic products that require audio recording and playback functionality.

  4. Q: What is the maximum recording duration supported by ISD1790EY01? A: The maximum recording duration depends on the available memory capacity. ISD1790EY01 supports up to 90 seconds of recording time with its built-in 1Mbit flash memory.

  5. Q: Can ISD1790EY01 be interfaced with microcontrollers or other digital devices? A: Yes, ISD1790EY01 can be easily interfaced with microcontrollers or other digital devices using standard communication protocols such as SPI or I2C.

  6. Q: Does ISD1790EY01 support real-time clock (RTC) functionality? A: No, ISD1790EY01 does not have an integrated RTC. However, external RTC modules can be used in conjunction with ISD1790EY01 for time-stamping recordings.

  7. Q: Can ISD1790EY01 be used for audio playback in loop mode? A: Yes, ISD1790EY01 supports looped playback mode, allowing continuous playback of recorded audio.

  8. Q: What is the power supply voltage range for ISD1790EY01? A: ISD1790EY01 operates within a wide voltage range of 2.4V to 5.5V, making it compatible with various power supply sources.

  9. Q: Does ISD1790EY01 have any built-in audio processing features? A: No, ISD1790EY01 does not have built-in audio processing capabilities. It primarily focuses on audio recording and playback functions.

  10. Q: Are there any development tools or software available for ISD1790EY01? A: Yes, the manufacturer provides development tools and software libraries that facilitate the integration and programming of ISD1790EY01 into technical solutions.

Please note that these questions and answers are general and may vary depending on specific requirements and use cases.