WM8962BECSN/R

Product Overview

• Category: Audio Codec
• Use: The WM8962BECSN/R is a high-performance audio codec designed for portable audio applications such as smartphones, tablets, and portable media players.
• Characteristics: It offers advanced audio processing features, low power consumption, and small package size, making it suitable for space-constrained devices.
• Package: The WM8962BECSN/R comes in a small 32-pin QFN package.
• Essence: This audio codec provides high-quality audio playback and recording capabilities, enabling users to enjoy immersive audio experiences on their portable devices.
• Packaging/Quantity: The WM8962BECSN/R is typically sold in reels of 2500 units.

Specifications

• Audio Performance:
  • SNR (Signal-to-Noise Ratio): >100 dB
  • THD+N (Total Harmonic Distortion + Noise): <0.01%
  • Dynamic Range: >95 dB
• Power Supply:
  • Voltage Range: 2.5V to 3.6V
  • Current Consumption: <10 mA
• Interfaces:
  • I2S, PCM, and TDM digital audio interfaces
  • Analog line inputs and outputs
  • Microphone inputs
  • Headphone and speaker outputs
• Audio Processing Features:
  • 5-band parametric equalizer
  • Dynamic range control
  • Automatic level control
  • Noise gate
  • Digital filters
• Control Interface:
  • I2C serial control interface

Pin Configuration

The WM8962BECSN/R has a total of 32 pins. Here is the detailed pin configuration:

1. VDDIO
2. GND
3. MICBIAS1
4. MICBIAS2
5. LOUT1N
6. LOUT1P
7. LIN1N
8. LIN1P
9. VDDA
10. GND
11. LDOIN
12. LDOOUT
13. AVDD
14. AGND
15. ROUT1P
16. ROUT1N
17. ROAMP
18. ROP
19. LOP
20. LOM
21. ROM
22. RIM
23. LIM
24. SPKOUTL
25. SPKOUTR
26. HPOUTL
27. HPOUTR
28. HPOUTCOM
29. HPOUTCOM
30. HPOUTCOM
31. HPOUTCOM
32. HPOUTCOM

Functional Features

• High-quality audio playback and recording
• Low power consumption
• Advanced audio processing capabilities
• Flexible digital and analog audio interfaces
• Small package size for space-constrained devices
• Easy control through the I2C interface

Advantages and Disadvantages

Advantages: - High audio performance with low distortion and noise - Wide range of audio processing features - Compact package size suitable for portable devices - Low power consumption for extended battery life

Disadvantages: - Limited availability of alternative models - Relatively complex pin configuration

Working Principles

The WM8962BECSN/R operates by converting analog audio signals into digital format using its built-in ADC (Analog-to-Digital Converter). It then processes the digital audio using various algorithms and filters to enhance the audio quality. The processed audio is then converted back to analog format using the DAC (Digital-to-Analog Converter) and sent to the output devices such as headphones, speakers, or line outputs.

Application Field Plans

The WM8962BECSN/R is widely used in various portable audio applications, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming devices

Alternative Models

While the WM8962BECSN/R is a popular choice for portable audio applications, there are alternative models available from other manufacturers. Some of the alternatives include: - MAX98357A from Maxim Integrated - CS42L42 from Cirrus Logic - AK4376A from AKM Semiconductor

These alternative models offer similar audio codec functionality and can be considered based on specific application requirements.

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