ISD4004-10MEDR

Product Overview

Category

ISD4004-10MEDR belongs to the category of integrated circuits (ICs).

Use

It is primarily used for audio recording and playback applications.

Characteristics

• Low power consumption
• Non-volatile storage
• High-quality audio playback
• Easy integration with microcontrollers

Package

ISD4004-10MEDR is available in a 28-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of ISD4004-10MEDR lies in its ability to provide reliable and high-quality audio recording and playback functionality.

Packaging/Quantity

ISD4004-10MEDR is typically sold in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer.

Specifications

• Operating Voltage: 2.4V - 5.5V
• Maximum Recording Time: 40 seconds
• Sampling Frequency: 10 kHz
• Audio Output: PWM (Pulse Width Modulation)
• Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)

Pin Configuration

The detailed pin configuration of ISD4004-10MEDR is as follows:

1. VDD - Power Supply
2. VSS - Ground
3. XTI - Crystal Oscillator Input
4. XTO - Crystal Oscillator Output
5. /CE - Chip Enable (Active Low)
6. /WR - Write Enable (Active Low)
7. /RD - Read Enable (Active Low)
8. /PD - Power-Down Mode (Active Low)
9. /INT - Interrupt Output
10. /RECP - Record Pulse Input
11. /PLAYP - Playback Pulse Input
12. /ERASEP - Erase Pulse Input
13. /MIC - Microphone Input
14. VREF - Reference Voltage Output
15. VOUT - Audio Output
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. NC - No Connection
28. NC - No Connection

Functional Features

• High-quality audio recording and playback
• Non-volatile storage ensures data retention even when power is disconnected
• Low power consumption for extended battery life
• Easy integration with microcontrollers through standard digital interfaces
• Flexible control options for various audio applications

Advantages and Disadvantages

Advantages

• Reliable and high-quality audio playback
• Low power consumption
• Easy integration with microcontrollers
• Non-volatile storage for data retention

Disadvantages

• Limited maximum recording time (40 seconds)
• Fixed sampling frequency (10 kHz)

Working Principles

ISD4004-10MEDR utilizes EEPROM technology to store audio data. It employs a combination of analog and digital circuitry to enable audio recording, playback, and control functions. The IC integrates an audio codec, memory controller, and interface logic to facilitate seamless operation.

Detailed Application Field Plans

ISD4004-10MEDR finds application in various fields, including but not limited to:

1. Voice recorders
2. Message playback systems
3. Alarm systems
4. Interactive toys
5. Automotive audio systems
6. Medical devices
7. Industrial equipment

Alternative Models

Below are some alternative models that offer similar functionality:

1. ISD4003-08MEDR
2. ISD4002-04MEDR
3. ISD4001-02MEDR
4. ISD4005-16MEDR

These models differ in terms of maximum recording time, sampling frequency, and memory capacity.

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