ISD4004-16MEI

Product Overview

Category

ISD4004-16MEI 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

ISD4004-16MEI comes in a standard integrated circuit package.

Essence

The essence of ISD4004-16MEI lies in its ability to provide reliable and efficient audio recording and playback functionality.

Packaging/Quantity

ISD4004-16MEI is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Model: ISD4004-16MEI
• Memory Size: 16 minutes
• Sampling Frequency: 4 kHz
• Operating Voltage: 2.4V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial

Detailed Pin Configuration

1. VCC - Power supply voltage
2. GND - Ground
3. CS - Chip select
4. SDA - Serial data input/output
5. SCLK - Serial clock input
6. RESET - Reset pin
7. XDCS - External data control select
8. SPK+ - Speaker positive terminal
9. SPK- - Speaker negative terminal
10. MIC+ - Microphone positive terminal
11. MIC- - Microphone negative terminal
12. AGC - Automatic gain control
13. VREF - Reference voltage
14. VDD - Power supply voltage for analog section
15. VSS - Ground for analog section
16. NC - No connection

Functional Features

• Audio recording and playback
• Non-volatile storage of audio data
• Multiple playback modes (sequential, random, etc.)
• Built-in automatic gain control (AGC)
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• High-quality audio recording and playback
• Compact size for easy integration into various devices
• Low power consumption for extended battery life
• Versatile playback modes for flexible usage

Disadvantages

• Limited memory size (16 minutes)
• Relatively low sampling frequency (4 kHz)

Working Principles

ISD4004-16MEI utilizes flash memory technology to store and retrieve audio data. It employs a serial interface for communication with external devices. The chip integrates an automatic gain control feature to ensure optimal audio quality during recording and playback.

Detailed Application Field Plans

ISD4004-16MEI finds applications in various fields, including: 1. Consumer electronics: Voice recorders, toys, digital audio players 2. Automotive: Car audio systems, navigation devices 3. Security systems: Alarm systems, surveillance equipment 4. Medical devices: Patient monitoring systems, medical instruments 5. Industrial automation: Voice prompts, machine control interfaces

Alternative Models

1. ISD4004-08MEI: 8 minutes memory size, otherwise similar specifications
2. ISD4004-32MEI: 32 minutes memory size, otherwise similar specifications
3. ISD4004-04MEI: 4 minutes memory size, otherwise similar specifications

These alternative models provide different memory sizes to cater to specific application requirements.

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