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ALC270
ALC270
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Service & Packaging
Service & Packaging
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ALC270 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
[realtek]Features l Single chip audio CODEC with high S/N ratio (>90 dB). l 20-bit DAC, 18-bit ADC. l Stereo full-duplex CODEC with independent and variable sampling rate. l 4 analog line-level stereo input with 5-bit volume control : LINE_IN,CD,VIDEO,AUX l 2 analog line-level mono input : PC_BEEP,PHONE_IN. l Mono output with 5-bit volume control. l Stereo output with 6-bit volume control. l 2 MIC inputs: Software selectable. l Power management and enhanced power saving. l 3D Stereo Enhancement l External Amplifier power down capability. l Multiple CODEC extension. l Compliant with AC’97 2.2 specification l 50mW/8Wamplifier at LINE/ Headphone output l Jack-detect function to mute LINE/MONO/HP output, to control S/PDIF output. l Supports S/PDIF out is compliant with AC’97 rev2.2. l 2 GPIO pins. l 14.318MHz‡24.576MHz digital PLL. l Supports double sampling rate (96KHz) of DVD audio playback. l +30dB boost preamplifier for MIC input. l Power support: Digital: 3.3V Analog: 3.3V/5V l Standard 48-Pin LQFPPackage
Key Features
- l Single chip audio CODEC with high S/N ratio (>90 dB).
- l 20-bit DAC, 18-bit ADC.
- l Stereo full-duplex CODEC with independent and variable sampling rate.
- l 4 analog line-level stereo input with 5-bit volume control : LINE_IN,CD,VIDEO,AUX
- l 2 analog line-level mono input : PC_BEEP,PHONE_IN.
- l Mono output with 5-bit volume control.
- l Stereo output with 6-bit volume control.
- l 2 MIC inputs: Software selectable.
- l Power management and enhanced power saving.
- l 3D Stereo Enhancement
- l External Amplifier power down capability.
- l Multiple CODEC extension.
- l Compliant with AC’97 2.2 specification
- l 50mW/8Wamplifier at LINE/ Headphone output
- l Jack-detect function to mute LINE/MONO/HP output, to control S/PDIF output.
- l Supports S/PDIF out is compliant with AC’97 rev2.2.
- l 2 GPIO pins.
- l 14.318MHz‡24.576MHz digital PLL.
- l Supports double sampling rate (96KHz) of DVD audio playback.
- l +30dB boost preamplifier for MIC input.
- l Power support: Digital: 3.3V Analog: 3.3V/5V
- l Standard 48-Pin LQFPPackage
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | REALTEK | Product Category ! | IC Chips |
FAQs
What is ALC270?
The ALC270 is a high-performance audio codec chip developed by Realtek. It is commonly used in laptops, desktop computers, and other audio devices to provide audio processing and playback capabilities.
How Does ALC270 Work?
The ALC270 works by converting digital audio signals into analog signals for output through speakers or headphones and vice versa. It incorporates audio processing algorithms and features like noise cancellation, equalization, and surround sound to enhance audio quality.
How Many Pins does ALC270 have and What are the Functions of the Pinout Configuration?
The ALC270 is typically available in a small QFN (Quad Flat No-leads) package with multiple pins. The pinout configuration includes:
- Power Pins: Various power supply pins for the chip's operation.
- Input Pins: Input pins for receiving audio signals.
- Output Pins: Output pins for transmitting audio signals.
- Control Pins: Pins for controlling various audio processing functions.
- Ground Pins: Ground connections for proper circuit operation.
What are the Pros and Cons of ALC270?
Pros:
- High Performance: Provides high-quality audio processing capabilities.
- Integration: Compact chip design suitable for compact devices.
- Feature-Rich: Supports various audio enhancements and effects.
- Compatibility: Widely used in laptops and computers, ensuring good driver support.
Cons:
- Limitations: May have limitations in terms of advanced audio processing features compared to higher-end audio chips.
- External Components: Additional components may be required for specific audio functionalities.
- Complexity: Requires careful design considerations for optimal audio performance.
Are There Any Equivalents/Alternatives to ALC270 for Recommendation?
- The ALC269 is a similar audio codec chip from Realtek with comparable features.
- Alternatives to the ALC270 include the VIA VT1708S and the Conexant CX20752.
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