ISD4002-240EYI

Product Overview

Category

ISD4002-240EYI belongs to the category of integrated circuit (IC) chips.

Use

The ISD4002-240EYI chip 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

The ISD4002-240EYI chip is available in a standard 28-pin DIP (Dual Inline Package).

Essence

The essence of the ISD4002-240EYI chip lies in its ability to provide reliable and efficient audio recording and playback functionality.

Packaging/Quantity

The ISD4002-240EYI chip is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Maximum Recording Time: 240 seconds
• Sampling Frequency: 4 kHz
• Operating Voltage: 2.4V - 5.5V
• Standby Current: 10 μA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISD4002-240EYI chip has a total of 28 pins, each serving a specific function. The detailed pin configuration is as follows:

1. VDD - Power Supply
2. VSS - Ground
3. XTI - Crystal Oscillator Input
4. XTO - Crystal Oscillator Output
5. /CS - Chip Select
6. /WR - Write Enable
7. /RD - Read Enable
8. /PD - Power Down
9. /INT - Interrupt Output
10. /RST - Reset Input
11. A0-A14 - Address Inputs
12. DQ0-DQ7 - Data Inputs/Outputs
13. /BUSY - Busy Output
14. /WP - Write Protect
15. /MIC - Microphone Input
16. VREF - Reference Voltage
17. AGND - Analog Ground
18. AVDD - Analog Power Supply
19. VDD - Power Supply
20. VSS - Ground
21. NC - No Connection
22. NC - No Connection
23. NC - No Connection
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

The ISD4002-240EYI chip offers the following functional features:

1. High-quality audio recording and playback: The chip provides clear and accurate audio recording and playback capabilities.
2. Low power consumption: It operates efficiently with low power requirements, making it suitable for battery-powered devices.
3. Easy integration: The chip can be easily integrated into various electronic devices due to its compact size and standard pin configuration.
4. Flexible control options: It supports various control signals such as chip select, write enable, read enable, and interrupt output.

Advantages and Disadvantages

Advantages

• High-quality audio recording and playback
• Low power consumption
• Easy integration into electronic devices
• Flexible control options

Disadvantages

• Limited maximum recording time (240 seconds)
• Fixed sampling frequency (4 kHz)

Working Principles

The ISD4002-240EYI chip utilizes non-volatile Flash memory technology to store and retrieve audio data. It employs a combination of analog and digital signal processing techniques to ensure high-quality audio reproduction.

During recording, the chip converts the analog audio input into a digital format and stores it in the internal Flash memory. During playback, the stored digital audio data is converted back into an analog signal for output.

Detailed Application Field Plans

The ISD4002-240EYI chip finds applications in various fields, including:

1. Voice recorders
2. Message playback devices
3. Toys and games with audio features
4. Security systems with voice prompts
5. Automotive audio systems
6. Medical devices with audio feedback

Detailed and Complete Alternative Models

1. ISD4002-120EYI: Similar to ISD4002-240EYI but with a maximum recording time of 120 seconds.
2. ISD4002-480EYI: Similar to ISD4002-240EYI but with a maximum recording time of 480 seconds.
3. ISD4002-16PYI: A lower-capacity alternative with a maximum recording time of 16 seconds.

These alternative models offer different recording times and can be chosen based on specific application requirements.

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