ISD4004-12MSY

Product Overview

Category: Integrated Circuit (IC)

Use: The ISD4004-12MSY is a programmable voice record/playback IC. It is commonly used in applications that require audio recording and playback capabilities, such as voice messaging systems, toys, security systems, and musical instruments.

Characteristics: - Programmable voice recording and playback - Low power consumption - Non-volatile storage - High-quality audio output - Easy integration into various electronic devices

Package: The ISD4004-12MSY is available in a small outline package (SOP) with 28 pins.

Essence: This IC allows users to record and store audio messages, which can be played back at a later time. It provides a convenient solution for adding voice functionality to electronic devices.

Packaging/Quantity: The ISD4004-12MSY is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2.4V - 5.5V
• Maximum Recording Time: 12 seconds
• Sampling Frequency: 4 kHz
• Audio Output: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISD4004-12MSY has a total of 28 pins. Here is the detailed pin configuration:

1. VDD - Power supply voltage
2. VSS - Ground
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. NC - No connection
10. NC - No connection
11. NC - No connection
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection
17. NC - No connection
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. VOUT - Audio output
28. VIN - Audio input

Functional Features

• Voice recording and playback: The ISD4004-12MSY allows users to record audio messages using an external microphone and play them back through a speaker or audio output device.
• Non-volatile storage: Recorded messages are stored in non-volatile memory, ensuring that they are retained even when power is disconnected.
• Easy integration: The IC can be easily integrated into various electronic devices due to its small form factor and simple interface.

Advantages and Disadvantages

Advantages: - Low power consumption: The IC operates on a low supply voltage and consumes minimal power during recording and playback. - High-quality audio output: The ISD4004-12MSY provides high-quality audio output, ensuring clear and crisp playback of recorded messages. - Programmable: Users can program the IC to suit their specific requirements, such as adjusting the recording time or enabling additional features.

Disadvantages: - Limited recording time: The maximum recording time of 12 seconds may not be sufficient for applications that require longer audio messages. - Limited sampling frequency: The IC supports a sampling frequency of 4 kHz, which may not meet the requirements of applications that demand higher audio quality.

Working Principles

The ISD4004-12MSY utilizes flash memory technology to store audio data. When a recording is initiated, the IC converts the analog audio signal from the microphone into digital format and stores it in the flash memory. During playback, the stored digital data is converted back into an analog signal and amplified for output.

Detailed Application Field Plans

The ISD4004-12MSY can be used in various applications, including:

1. Voice messaging systems: The IC can be integrated into answering machines or voicemail systems to record and play back voice messages.
2. Toys: It can be used in interactive toys that require voice recording/playback functionality, such as talking dolls or educational devices.
3. Security systems: The IC can be utilized in security systems to provide audible warnings or instructions.
4. Musical instruments: It can be incorporated into musical instruments to enable recording and playback of musical sequences or sound effects.

Detailed and Complete Alternative Models

1. ISD4004-08MSY: Similar to the ISD4004-12MSY, but with a maximum recording time of 8 seconds.
2. ISD4004-16MSY: Similar to the ISD4004-12MSY