WM8731CSEFL/R

Product Overview

Category

The WM8731CSEFL/R belongs to the category of audio codecs.

Use

This product is commonly used in audio applications, such as digital audio players, smartphones, tablets, and other portable devices.

Characteristics

• High-quality audio playback and recording capabilities
• Low power consumption
• Compact size for easy integration into various electronic devices

Package

The WM8731CSEFL/R is available in a small form factor package, making it suitable for space-constrained designs.

Essence

The essence of the WM8731CSEFL/R lies in its ability to provide high-fidelity audio processing and conversion in a compact package.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Audio Resolution: Up to 24-bit
• Sampling Rate: Up to 96 kHz
• Digital Interfaces: I2S, SPI, and DSP
• Power Supply: 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The WM8731CSEFL/R features the following pin configuration:

1. VDD - Power supply voltage
2. GND - Ground
3. SDIN - Serial data input
4. SDOUT - Serial data output
5. BCLK - Bit clock
6. LRCLK - Left/right clock
7. MCLK - Master clock
8. RESET - Reset pin
9. AGND - Analog ground
10. AVDD - Analog power supply voltage
11. LINEOUTL - Line output left channel
12. LINEOUTR - Line output right channel
13. MICBIAS - Microphone bias voltage
14. MICIN - Microphone input
15. HPLOUT - Headphone left output
16. HPROUT - Headphone right output

Functional Features

• Audio playback and recording
• Volume control
• Digital audio processing (e.g., equalization, filtering)
• Microphone bias voltage generation
• Headphone output

Advantages and Disadvantages

Advantages

• High audio quality
• Low power consumption
• Compact size
• Versatile digital interfaces

Disadvantages

• Limited maximum sampling rate compared to some other audio codecs
• Requires external components for complete audio system integration

Working Principles

The WM8731CSEFL/R operates by receiving digital audio data through its input pins and converting it into analog signals for playback or recording. It utilizes internal digital signal processing algorithms to enhance the audio quality and provides various control registers for configuring different audio parameters.

Detailed Application Field Plans

The WM8731CSEFL/R is widely used in the following application fields:

1. Portable audio devices (e.g., MP3 players, smartphones)
2. Tablets and laptops
3. Voice recorders
4. Automotive infotainment systems
5. Home audio systems

Detailed and Complete Alternative Models

1. WM8731SEDS/V - Similar specifications and features, but with a different package type (SSOP)
2. WM8731LSEDS/V - Lower power version of WM8731CSEFL/R with reduced power consumption
3. WM8731MSEDS/V - Higher performance version with extended audio resolution and sampling rate capabilities

These alternative models provide options for different design requirements and constraints while maintaining similar functionality to the WM8731CSEFL/R.

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