Description

The STAC9751TR-CC1 is a high-performance audio CODEC component designed for systems requiring 7.1 or 5.1 audio playback along with other audio streams. With SigmaTel's proprietary Σ∆ technology, this CODEC provides theater-quality audio with an estimated DAC signal-to-noise ratio (SNR) of up to 105dB. It also supports up to four digital microphones for high-quality voice input, optimizing voice applications.

Specifications and Features

- High-performance HD Audio CODEC for theater-quality audio
- Σ∆ technology for high performance
- DAC SNR of 105dB
- ADC SNR of 90dB
- Four Stereo DACs and three stereo ADCs
- Support for 7.1 audio or 5.1 audio with simultaneous Real Time Communication (RTC) channel, such as VoIP or separate stereo audio stream
- 24-bit resolution with up to 192 KHz sample rates
- Digital Microphone Interface supporting up to four Digital Microphones
- Analog Stereo Microphone with microphone boost options
- Six adjustable Vref outputs for microphone bias
- Integrated Headphone Amps (3)
- S/PDIF In and Out
- ADAT® Optical "Lightpipe" Output Support
- Volume Up/Down Control
- Jack Insertion Detect and Impedance Sensing enabling Jack Retasking and Universal Jacks
- Digital PC Beep to all outputs
- Options for +3.3V to +5V analog power supply
- Environmental 48-pin LQFP package option

Application Scenarios

The STAC9751TR-CC1 is ideal for various audio applications, such as:

• Home theater systems
• Gaming consoles
• Audio mixing and recording equipment
• VoIP systems
• Audio streaming devices

Comparison

Advantages:

• High-performance audio CODEC for theater-quality audio
• SigmaTel's Σ∆ technology for superior performance
• Supports 7.1 or 5.1 audio with simultaneous Real Time Communication channel
• Supports up to four digital microphones for high-quality voice input
• Wide range of sample rates and resolutions

Disadvantages:

• Requires separate power supply options
• Package option limited to 48-pin LQFP