Nuvoton Technology Corporation of America
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ISD1790SYR
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ISD1790SYR

Product Overview

Category

ISD1790SYR belongs to the category of integrated circuit (IC) audio storage and playback devices.

Use

This product is primarily used for audio recording and playback applications.

Characteristics

  • Integrated audio storage and playback functionality
  • Low power consumption
  • Compact size
  • Easy integration into electronic systems

Package

ISD1790SYR is available in a small surface mount package, making it suitable for space-constrained designs.

Essence

The essence of ISD1790SYR lies in its ability to store and play back audio recordings with minimal power consumption.

Packaging/Quantity

ISD1790SYR is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs.

Specifications

  • Supply Voltage: 2.4V - 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Audio Sampling Frequency: 8kHz - 48kHz
  • Maximum Recording Time: Up to 180 seconds (at 8kHz sampling frequency)
  • Memory Capacity: 90 seconds (at 8kHz sampling frequency)

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground connection
  3. CS: Chip select input
  4. SDA: Serial data input/output
  5. SCL: Serial clock input
  6. RESET: Reset input
  7. SPK+/-: Speaker output
  8. MIC+/-: Microphone input

Functional Features

  • Audio recording and playback capabilities
  • Non-volatile storage of audio data
  • Serial interface for easy communication with microcontrollers
  • Built-in audio amplifier for direct speaker connection
  • On-chip analog-to-digital and digital-to-analog converters

Advantages and Disadvantages

Advantages

  • Low power consumption enables battery-powered applications
  • Compact size allows for integration into small electronic devices
  • Easy-to-use serial interface simplifies system integration
  • Non-volatile storage ensures audio data retention even during power loss

Disadvantages

  • Limited recording time compared to other audio storage solutions
  • Requires external components (microphone, speaker) for complete audio functionality

Working Principles

ISD1790SYR utilizes flash memory technology to store audio data. The IC includes analog-to-digital converters to convert incoming audio signals into digital format for storage. During playback, the digital audio data is converted back to analog using on-chip digital-to-analog converters and amplified for output to a speaker.

Detailed Application Field Plans

ISD1790SYR finds applications in various fields, including: 1. Voice recorders 2. Message playback systems 3. Alarm systems 4. Interactive toys 5. Automotive audio systems

Alternative Models

  1. ISD1820PY: Similar audio storage and playback IC with extended recording time.
  2. ISD1760PY: Audio storage and playback IC with additional features like voice recognition.
  3. ISD17120PY: Higher capacity audio storage and playback IC suitable for longer recordings.

These alternative models offer different specifications and features to cater to diverse application requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem ISD1790SYR w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of ISD1790SYR in technical solutions:

  1. Q: What is ISD1790SYR? A: ISD1790SYR is a single-chip voice record/playback solution that provides high-quality, non-volatile storage for audio data.

  2. Q: What are the key features of ISD1790SYR? A: The key features include up to 90 seconds of recording time, low power consumption, direct speaker drive capability, and a simple serial interface.

  3. Q: How can I interface with ISD1790SYR? A: ISD1790SYR uses a standard SPI (Serial Peripheral Interface) for communication, making it easy to interface with microcontrollers or other digital devices.

  4. Q: Can I use ISD1790SYR in battery-powered applications? A: Yes, ISD1790SYR has low power consumption, making it suitable for battery-powered applications where energy efficiency is important.

  5. Q: What is the maximum recording time of ISD1790SYR? A: ISD1790SYR can provide up to 90 seconds of recording time, depending on the sample rate and quality settings.

  6. Q: Can I play back audio directly through a speaker using ISD1790SYR? A: Yes, ISD1790SYR has built-in speaker drive capability, allowing you to connect a speaker directly to the chip for audio playback.

  7. Q: Is the audio data stored in ISD1790SYR non-volatile? A: Yes, ISD1790SYR uses non-volatile memory technology, which means that the recorded audio data will be retained even when power is removed.

  8. Q: Can I use ISD1790SYR in industrial applications? A: Yes, ISD1790SYR is designed to withstand harsh environments and can be used in various industrial applications that require audio recording/playback.

  9. Q: What are the recommended operating conditions for ISD1790SYR? A: The recommended operating voltage range is typically between 2.4V and 5.5V, with a temperature range of -40°C to +85°C.

  10. Q: Are there any development tools or resources available for ISD1790SYR? A: Yes, the manufacturer provides datasheets, application notes, and evaluation boards to help developers integrate ISD1790SYR into their technical solutions.

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