ISD4004-08MS

Product Overview

Category: Integrated Circuit (IC)

Use: The ISD4004-08MS is a specialized IC designed for audio recording and playback applications. It offers high-quality digital audio storage and retrieval capabilities.

Characteristics: - Compact size - Low power consumption - Non-volatile memory - Easy integration with microcontrollers - High-quality audio playback

Package: The ISD4004-08MS is available in a small outline package (SOP) format, which allows for easy mounting on printed circuit boards (PCBs).

Essence: This IC is specifically designed to provide reliable and efficient audio recording and playback functionality in various electronic devices.

Packaging/Quantity: The ISD4004-08MS is typically sold in reels or tubes containing a specified quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Memory Capacity: 4 minutes (at 8 kHz sampling rate)
• Sampling Rate: 8 kHz
• Supply Voltage: 2.4V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: >100 years
• Audio Output: Mono

Pin Configuration

The ISD4004-08MS features a total of 28 pins, each serving a specific function. Here is a detailed pin configuration:

1. VDD - Power supply voltage
2. VSS - Ground reference
3. CE - Chip enable
4. WE - Write enable
5. RESET - Reset input
6. XTI - Crystal oscillator input
7. XTO - Crystal oscillator output
8. NC - No connection
9. A0-A10 - Address inputs
10. DQ0-DQ7 - Data inputs/outputs
11. BUSY - Busy status output
12. INT - Interrupt output
13. NC - No connection
14. VREF - Reference voltage for analog input/output
15. VOUT - Analog audio output
16. MICIN - Microphone input
17. AGC - Automatic gain control input
18. VDD - Power supply voltage
19. VSS - Ground reference
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

The ISD4004-08MS offers several functional features that make it suitable for audio recording and playback applications:

1. High-Quality Audio: The IC provides high-fidelity audio recording and playback capabilities, ensuring excellent sound reproduction.
2. Non-Volatile Memory: The recorded audio data is stored in non-volatile memory, allowing it to be retained even when power is disconnected.
3. Low Power Consumption: The IC is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
4. Easy Integration: It can be easily integrated into existing electronic systems, thanks to its compatibility with microcontrollers and other components.
5. Flexible Control: The IC supports various control options, such as chip enable, write enable, and reset inputs, enabling precise control over the audio playback process.

Advantages and Disadvantages

Advantages: - Compact size allows for easy integration into small electronic devices. - Non-volatile memory ensures data retention without the need for external storage. - Low power consumption extends battery life in portable applications. - High-quality audio playback enhances user experience.

Disadvantages: - Limited memory capacity restricts the duration of audio recordings. - Mono audio output may not be suitable for applications requiring stereo sound.

Working Principles

The ISD4004-08MS utilizes a combination of analog and digital circuitry to record and play back audio. When recording, the IC converts the analog audio input into digital data, which is then stored in its non-volatile memory. During playback, the stored digital data is converted back into analog audio signals, which can be amplified and output through the audio output pin.

Application Field Plans

The ISD4004-08MS finds applications in various fields, including: 1. Consumer Electronics: Audio recording and playback devices, such as voice recorders, toys, and musical instruments. 2. Security Systems: Voice-based alarm systems, door entry systems, and surveillance equipment. 3. Automotive: In-car entertainment systems, voice prompts, and navigation devices. 4. Medical Devices: Patient monitoring systems, medical alarms, and diagnostic equipment. 5. Industrial Control: Voice-based control systems, public address systems, and intercoms.

Alternative Models

For users seeking alternative options, the following ICs offer similar functionality to the