ISD4002-240EIR

Product Overview

Category

ISD4002-240EIR 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

ISD4002-240EIR comes in a small outline integrated circuit (SOIC) package.

Essence

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

Packaging/Quantity

Each package of ISD4002-240EIR contains one chip.

Specifications

• Maximum Recording Time: 240 seconds
• Sampling Frequency: 4 kHz
• Operating Voltage: 2.4V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Number of Messages: 1
• Message Length: Configurable up to 240 seconds

Detailed Pin Configuration

The ISD4002-240EIR has a total of 28 pins, which are assigned specific functions. The pin configuration is as follows:

1. VDD - Power supply voltage input
2. VSS - Ground reference
3. XTI - Crystal oscillator input
4. XTO - Crystal oscillator output
5. /CS - Chip select input
6. /RD - Read control input
7. /WR - Write control input
8. /RST - Reset control input
9. /INT - Interrupt output
10. /PD - Power-down control input
11. /WP - Write protect input
12. /MIC - Microphone input
13. AGND - Analog ground reference
14. VREF - Reference voltage output
15. VOUT - Audio output
16. VDD - Power supply voltage input
17. VSS - Ground reference
18. NC - No connection
19. NC - No connection
20. NC - No connection
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

• High-quality audio recording and playback with low noise
• Non-volatile storage of recorded messages
• Simple control interface for easy integration into various applications
• Flexible message length configuration
• Power-down mode for reduced power consumption

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into electronic devices
• Low power consumption ensures efficient operation
• High-quality audio recording and playback capabilities provide excellent sound reproduction
• Non-volatile storage ensures message retention even during power loss

Disadvantages

• Limited maximum recording time of 240 seconds
• Single message capability restricts simultaneous playback of multiple recordings

Working Principles

The ISD4002-240EIR utilizes flash memory technology to store audio data. It employs an analog-to-digital converter (ADC) to convert incoming audio signals into digital format for storage. During playback, the digital data is converted back to analog using a digital-to-analog converter (DAC), resulting in high-quality audio output.

Detailed Application Field Plans

ISD4002-240EIR finds applications in various fields, including: 1. Voice recorders 2. Toys and games 3. Security systems 4. Automotive electronics 5. Medical devices 6. Home appliances

Alternative Models

Other alternative models that offer similar functionality to ISD4002-240EIR include: 1. ISD4003-120EIR 2. ISD4004-08MPY 3. ISD4004-16MPY 4. ISD4004-24MPY

These models provide different recording times, message lengths, and package options to suit specific application requirements.

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