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Description
ALC267-GR is an IC chip designed for audio CODEC with high S/N ratio. It is a single chip that consists of a stereo full-duplex CODEC with variable sampling rate, 20-bit DAC, 18-bit ADC. It has 4 line-level stereo analog inputs with 5-bit volume control, 2 line-level mono inputs, and a mono output 3D Stereo Enhancement. It supports multiple CODEC extension and is compliant with AC’97 2.2 specification.
The chip has a power management system that provides enhanced power-saving features. It also supports S/PDIF out is compliant with AC’97 rev2.2 and has 2 GPIO pins. It comes in a standard 48-pin LQFP Package that can be powered by Digital: 3.3V Analog: 3.3V/5V.
Specifications and features
- Single chip audio CODEC with high S/N ratio (>90 dB)
- 20-bit DAC, 18-bit ADC
- Stereo full-duplex CODEC with independent and variable sampling rate
- 4 analog line-level stereo input with 5-bit volume control :LINE_IN,CD,VIDEO,AUX
- 2 analog line-level mono input : PC_BEEP,PHONE_IN
- Mono output with 5-bit volume control
- Stereo output with 6-bit volume control
- 2 MIC inputs: Software selectable
- Power management and enhanced power saving
- 3D Stereo Enhancement
- External Amplifier power-down capability
- Multiple CODEC extension
- Compliant with AC’97 2.2 specification
- 50mW/8W amplifier at LINE/ Headphone output
- Jack-detect function to mute LINE/MONO/HP output, to control S/PDIF output
- Supports S/PDIF out is compliant with AC’97 rev2.2
- 2 GPIO pins
- 14.318MHz‡24.576MHz digital PLL
- Supports double sampling rate (96KHz) of DVD audio playback
- +30dB boost preamplifier for MIC input
- Power support: Digital: 3.3V Analog: 3.3V/5V
- Standard 48-Pin LQFP Package
Application Scenarios
ALC267-GR is commonly used in audio-related devices such as multimedia speakers, consumer audio systems and PC sound cards. It can also be used in mobile devices, laptops, and tablets.
Comparison
Advantages- Single chip audio CODEC with high S/N ratio
- Supports multiple CODEC extension
- Power management and enhanced power-saving features
Disadvantages- It only has 2 GPIO pins
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download ALC267-GR
- Chipdatas Part: CD86-ALC267-GR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/16 19:08 +0800
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