ISD4002-180SI

Product Overview

Category

ISD4002-180SI 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 with other electronic components

Package

ISD4002-180SI is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISD4002-180SI lies in its ability to provide reliable and efficient audio recording and playback functionality.

Packaging/Quantity

ISD4002-180SI is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Operating Voltage: 2.4V - 5.5V
• Recording Time: Up to 180 seconds
• Sampling Frequency: 8 kHz
• Audio Output: Mono
• Storage Temperature Range: -40°C to +85°C

Pin Configuration

The ISD4002-180SI chip has a total of 28 pins, which are assigned specific functions as follows:

1. VDD - Power supply voltage
2. VSS - Ground
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. /RESET - Reset control input
9. /INT - Interrupt output
10. /PD - Power-down control input
11. /WP - Write protect input
12. A0-A14 - Address inputs
13. DQ0-DQ7 - Data inputs/outputs
14. /BUSY - Busy status output
15. /FULL - Memory full status output
16. /EMPTY - Memory empty status output
17. VREF - Reference voltage input
18. AGND - Analog ground
19. MIC+ - Microphone positive input
20. MIC- - Microphone negative input
21. SPK+ - Speaker positive output
22. SPK- - Speaker negative output
23. VDDA - Analog power supply voltage
24. VSSA - Analog ground
25. VCAP - Decoupling capacitor 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 audio data
• Flexible control options for recording, playback, and erasing operations
• Built-in analog-to-digital converter (ADC) and digital-to-analog converter (DAC)
• Automatic power-down mode for energy efficiency

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various electronic devices
• Low power consumption extends battery life in portable applications
• High-quality audio reproduction enhances user experience
• Non-volatile storage ensures data retention even during power loss

Disadvantages

• Limited recording time compared to some other audio ICs
• Mono audio output may not be suitable for certain applications requiring stereo sound

Working Principles

ISD4002-180SI utilizes flash memory technology to store and retrieve audio data. It employs an ADC to convert analog audio signals into digital format during recording and a DAC to convert digital audio data back into analog signals during playback. The chip's control inputs allow for seamless operation and management of the recording and playback functions.

Detailed Application Field Plans

ISD4002-180SI finds applications in various fields, including but not limited to: 1. Voice recorders 2. Toys and games with audio playback features 3. Security systems with voice prompts 4. Medical devices requiring audio feedback 5. Automotive electronics for audio recording/playback

Detailed and Complete Alternative Models

1. ISD4002-120SI: Similar to ISD4002-180SI but with a recording time of up to 120 seconds.
2. ISD4002-60SI: Similar to ISD4002-180SI but with a recording time of up to 60 seconds.
3. ISD4002-30SI: Similar to ISD4002-180SI but with a recording time of up to 30 seconds.

These alternative models provide varying recording times to cater to different application requirements.

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