ISD4002-120SI

Product Overview

Category

ISD4002-120SI belongs to the category of integrated circuits (ICs).

Use

It is primarily used for audio storage and playback applications.

Characteristics

• High-quality audio recording and playback capabilities
• Non-volatile memory technology for data retention even without power
• Low power consumption
• Easy integration into various electronic systems

Package

ISD4002-120SI is available in a standard 28-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of ISD4002-120SI lies in its ability to store and play back audio data with high fidelity and reliability.

Packaging/Quantity

ISD4002-120SI is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Size: 4 minutes (at 12 kHz sampling rate)
• Sampling Rate: 8 kHz to 12 kHz
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: >100 years
• Audio Output: Mono, 8-bit PCM

Detailed Pin Configuration

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 enable input
7. /WR - Write enable input
8. /RESET - Reset input
9. A0-A10 - Address inputs
10. DQ0-DQ7 - Data inputs/outputs
11. /INT - Interrupt output
12. /WP - Write protect input
13. /BUSY - Busy output
14. /PD - Power-down input
15. /M1 - Mode select input 1
16. /M0 - Mode select input 0
17. VREF - Reference voltage output
18. AGND - Analog ground
19. AVDD - Analog power supply voltage
20. VOUT - Audio output 21-28. NC - No connection

Functional Features

• High-quality audio recording and playback with low noise and distortion
• Multiple operating modes for flexible usage
• Direct memory access (DMA) support for efficient data transfer
• Built-in analog-to-digital converter (ADC) and digital-to-analog converter (DAC)
• On-chip oscillator for simplified system design

Advantages and Disadvantages

Advantages

• Excellent audio quality
• Non-volatile memory ensures data retention
• Low power consumption
• Easy integration into various electronic systems

Disadvantages

• Limited memory size (4 minutes at 12 kHz sampling rate)
• Mono audio output only

Working Principles

ISD4002-120SI utilizes non-volatile memory technology to store audio data digitally. The integrated circuit includes an ADC to convert analog audio signals into digital format, which is then stored in the memory. During playback, the digital data is retrieved from the memory and converted back to analog using a DAC. The resulting audio signal is then amplified and delivered through the audio output pin.

Detailed Application Field Plans

ISD4002-120SI finds applications in various fields, including: 1. Voice recorders 2. Message playback systems 3. Alarm systems 4. Interactive toys 5. Automotive audio systems 6. Medical devices 7. Industrial equipment

Detailed and Complete Alternative Models

Some alternative models to ISD4002-120SI are: 1. ISD4002-90SI: Similar features but with a lower sampling rate of 8 kHz. 2. ISD4004-120SI: Offers double the memory size (8 minutes at 12 kHz sampling rate). 3. ISD4004-90SI: Similar to ISD4004-120SI but with a lower sampling rate of 8 kHz.

These alternative models provide options for different memory sizes and sampling rates, catering to specific application requirements.

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