ISD4004-08MP

Product Overview

Category

ISD4004-08MP belongs to the category of integrated circuits (ICs).

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

ISD4004-08MP is available in a standard 28-pin plastic dual inline package (PDIP).

Essence

The essence of ISD4004-08MP lies in its ability to provide reliable and efficient audio recording and playback functionality.

Packaging/Quantity

ISD4004-08MP is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Supply Voltage: 2.4V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Sampling Frequency: 8 kHz
• Maximum Recording Time: 8 minutes
• Audio Output: Mono

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. /WR - Write enable input
7. /RD - Read 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. /LED - LED drive output
15. /PLAYE - Playback enable input
16. /RECE - Record enable input
17. /MIC - Microphone input
18. AGND - Analog ground
19. VREF - Reference voltage output
20. VDDA - Analog power supply voltage
21. VSSA - Analog ground
22. VOUT - Audio output
23. /VSPK - Speaker drive output
24. /VREC - Voice recording input
25. /VDDP - Power supply voltage for internal programming
26. VSSP - Ground for internal programming
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
• Multiple operating modes (record, playback, standby)
• Built-in analog-to-digital converter (ADC) and digital-to-analog converter (DAC)
• On-chip memory for storing audio data

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 recording and playback capabilities ensure clear sound reproduction
• Non-volatile storage preserves recorded audio even when power is lost

Disadvantages

• Limited maximum recording time of 8 minutes may not be sufficient for certain applications requiring longer recordings
• Mono audio output may not meet the requirements of stereo audio applications

Working Principles

ISD4004-08MP utilizes a combination of analog and digital circuitry to enable audio recording and playback. When in record mode, the integrated ADC converts the analog audio signal from the microphone input into digital data, which is then stored in the on-chip memory. During playback, the digital data is retrieved from memory and converted back to an analog signal by the DAC, which is then amplified and outputted through the audio output pin.

Detailed Application Field Plans

ISD4004-08MP finds application in various fields, including: 1. Voice recorders 2. Toys and games with audio playback capabilities 3. Security systems with voice prompts 4. Medical devices requiring audio recording/playback functionality 5. Automotive applications for voice guidance or entertainment

Detailed and Complete Alternative Models

1. ISD4004-12MP: Similar to ISD4004-08MP, but with a maximum recording time of 12 minutes.
2. ISD4004-16MP: Offers a maximum recording time of 16 minutes, suitable for applications requiring longer recordings.
3. ISD4004-04MP: Provides a lower maximum recording time of 4 minutes, suitable for applications with shorter audio requirements.

(Note: The above alternative models are just examples and not an exhaustive list.)

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