ISD1730EYR

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Recording and Playback

Characteristics: - Low power consumption - Non-volatile memory - High-quality audio recording and playback capabilities - Easy integration into various electronic devices

Package: 28-pin SOP (Small Outline Package)

Essence: The ISD1730EYR is a specialized IC designed for audio recording and playback applications. It offers high-quality sound reproduction and can be easily integrated into different electronic devices.

Packaging/Quantity: The ISD1730EYR is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage: 2.4V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Recording Time: 30 seconds
• Sampling Frequency: 8 kHz
• Audio Output: Mono, 8-bit PCM

Detailed Pin Configuration

The ISD1730EYR has a total of 28 pins. Here is the detailed pin configuration:

1. VDD - Power supply voltage
2. VSS - Ground
3. REC - Record control input
4. PLAY - Playback control input
5. EOM - End-of-message output
6. SPK+ - Speaker positive terminal
7. SPK- - Speaker negative terminal
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. NC - No connection
28. NC - No connection

Functional Features

• Easy recording and playback control through dedicated input pins
• Non-volatile memory ensures that recorded audio remains intact even when power is disconnected
• High-quality audio output with low distortion
• Simple integration into various electronic devices due to its compact size and standard pin configuration

Advantages and Disadvantages

Advantages: - Low power consumption - Compact size - Non-volatile memory for data retention - High-quality audio reproduction

Disadvantages: - Limited maximum recording time (30 seconds) - Mono audio output only - Fixed sampling frequency (8 kHz)

Working Principles

The ISD1730EYR utilizes non-volatile Flash memory technology to store audio data. When the REC pin is activated, the IC starts recording audio input from an external microphone or line-level source. The recorded audio can be played back by activating the PLAY pin. The EOM pin indicates the end of a recorded message.

Detailed Application Field Plans

The ISD1730EYR finds applications in various fields, including: 1. Voice recorders 2. Toys and games 3. Security systems 4. Medical devices 5. Automotive electronics 6. Home appliances

Detailed and Complete Alternative Models

1. ISD1760PYR - Similar to ISD1730EYR but with extended recording time (60 seconds)
2. ISD1820SYR - Provides additional features like voice modulation and pitch control
3. ISD1790PYR - Offers longer recording time (120 seconds) and higher audio quality

These alternative models provide different capabilities and can be considered based on specific project requirements.

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