STAC9251H5TAEA1XR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Codec
• Characteristics:
  • High-quality audio processing
  • Low power consumption
  • Compact size
• Package: TQFP-48
• Essence: Provides audio encoding and decoding capabilities for various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements

Specifications

• Supply Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Audio Interface: I2S, PCM
• Sampling Rate: Up to 192 kHz
• Signal-to-Noise Ratio (SNR): >90 dB
• Total Harmonic Distortion (THD): <0.01%
• Number of Channels: 2 (Stereo)
• Digital Audio Formats: AAC, MP3, WMA, etc.
• Control Interface: I2C, SPI

Detailed Pin Configuration

The STAC9251H5TAEA1XR has a total of 48 pins. Here is the detailed pin configuration:

1. VDDA: Analog Power Supply
2. VDDD: Digital Power Supply
3. GND: Ground
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
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
29. NC: No Connection
30. NC: No Connection
31. NC: No Connection
32. NC: No Connection
33. NC: No Connection
34. NC: No Connection
35. NC: No Connection
36. NC: No Connection
37. NC: No Connection
38. NC: No Connection
39. NC: No Connection
40. NC: No Connection
41. NC: No Connection
42. NC: No Connection
43. NC: No Connection
44. NC: No Connection
45. NC: No Connection
46. NC: No Connection
47. NC: No Connection
48. NC: No Connection

Functional Features

• Audio encoding and decoding capabilities
• High-quality audio processing algorithms
• Support for various digital audio formats
• Low power consumption for extended battery life
• Flexible control interface options (I2C, SPI)
• Compact size for space-constrained applications

Advantages and Disadvantages

Advantages

• High-quality audio processing ensures excellent sound reproduction.
• Low power consumption extends the battery life of portable devices.
• Compact size allows for integration into small form factor designs.
• Support for various digital audio formats enhances compatibility.

Disadvantages

• Limited number of channels (2 stereo channels).
• No built-in amplification, requires external amplifiers for speaker output.

Working Principles

The STAC9251H5TAEA1XR operates by receiving analog audio signals and converting them into digital format using its integrated ADC (Analog-to-Digital Converter). It then processes the digital audio data using its built-in audio processing algorithms, enhancing the sound quality and applying various effects if desired. The processed audio data can be encoded into different digital audio formats for storage or transmission. On the playback side, the IC decodes the digital audio data back into analog signals using its integrated DAC (Digital-to-Analog Converter), which can then be amplified and output to speakers or headphones.

Detailed Application Field Plans

The STAC9251H5TAEA1XR is widely used in various applications that require audio encoding and decoding capabilities. Some of the detailed application field plans include:

1. Portable Audio Devices: MP3 players, smartphones, tablets, etc.
2. Automotive Infotainment Systems: Car audio systems, head units, navigation systems, etc.
3. Home Entertainment Systems: Soundbars, home theater systems, gaming consoles, etc.
4. Communication Devices: VoIP phones, conference systems, intercoms, etc.
5. Industrial Equipment: Public address systems, audio recording devices, professional audio equipment, etc.

Alternative Models

• STAC9220X5TAEA1XR
• STAC9271X5TAEA