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ALC5672
Multi-Channel Audio Hub/CODEC
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ALC5672 數據表
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詳細說明
The ALC5672 is a high performance, low power, dual I2S interface audio CODEC with embedded low power/high performance Voice DSP. Dual I2S interface can connect to different devices and let the ALC5672 to be an Audio Hub. Each device can pass through the Audio Hub and then perform as input or output application. Asynchronous Sample Rate Converter (ASRC) provides independent and asynchronous connections to different processors, such as an application processor, baseband processor or wireless transceiver(BT).Stereo Class-D speaker amplifiers provide 1.5W per channel into 8Ω or 2.8W per channel into 4Ω with a 5V supply, with high THD+N performance, excellent PSRR and low EMI. A mono differential earpiece amplifier is also provided, providing output from any DAC or Analog-in.The ALC5672 features an ultra low power cap-free headphone amplifier. It consumes only less than 5mW power during playback, providing mobile system longer battery life under headphone listening mode.The integrated multi-section DRC(Dynamic Range Controller) and 14-band parametric Equalizer provide further digital sound processing capability of audio playback paths. The multi-section DRC in ALC5672 continuously monitors the DAC output level. When the power level is low, it increases the input signal gain to make it sound louder. At the same time, if a peaking signal is detected, it autonomously reduces the applied gain to avoid hard clipping. It ensures the maximum/consistent signal amplitude without producing audio clipping and speaker damage. The 14-band parametric Equalizer contains each channel has 7 independent filters with programmable gain, center frequency and bandwidth to tailor the frequency characteristics of embedded speaker system according to user preferences.For microphone recording, the DRC in ALC5672 can be used as AGC(Auto Gain Controller) to maintain a constant recording volume. Besides, a dynamic wind reduction filter is built in on recording path. The filter can detect the level of wind noise and on/off dynamically to keep the recording quality. The ALC5672 also integrates independent 6-band parametric Equalizer for recording path. They can use to compensate microphone device frequency response.ALC5672 embedded a low power, high performance voice processor. The 120MIPS voice processor provides advanced voice processing features, including exceptional noise suppression, echo cancellation and advanced Beam-Forming under low power consumption. The voice processor is optimized for advanced voice processing to improve voice quality for voice communication and recording in noisy environments.SounzRealTM post-processing technology is configurable to provide better listening experience. BassBack EXPTM bring LFE(low frequency effect) to listeners without subwoofer needed. TruTreble EXPTM adds processed harmonic tones at high frequency, bringing more melody and details for music listening. Features· Digital Super Wideband Voice DSP* Voice communication enhancement (AEC, NS…etc.)* Advanced Beam-Forming (Voice Tracking)* Stereo Far field pick-up recording (48KHz Sample Rate)· SounzReal TM post-processing* TruTreble* BassBack· Parametric 14 bands equalizer (EQ) – each 7 bands for L/R playback path independent control· Parametric 6 bands equalizer (EQ) for recording path· Advanced DRC with multi-section compressor function for playback/recording path· Sound detection wake up technology· Wind noise reduction filter· One 24bit/8kHz ~ 192kHz I2S/PCM/TDM digital interface· One 24bit/8kHz ~ 192kHz I2S/PCM digital interface· Digital asynchronous sampling rate converter (ASRC) function· I2C control interface· 3 stereo digital microphone interfaces· 4 Digital-to-Analog Converter with 100dBA SNR· 2 Analog-to-Digital Converter with 94dBA SNR· 2 single-ended analog microphone inputs with pre-amplifiers (+20/24/30/35/40/44/50/52dB) and low noise microphone bias* MIC input to ADC with 50dB Boost, SNR>66dBA, THD+N<-65dB* Headset microphone and ground auto switch· Stereo line input* -85dB THD+N (with 0dB gain path)* 94dBA SNR (with 0dB gain path)· Stereo single-ended/mono differential line output* -85dB THD+N (with 0dB gain path, 10k ohm loading)* 100dBA SNR (with 0dB gain path, 10k ohm loading)· Stereo BTL (Bridge-Tied Load) Class-D amplifier* 700mW/CH (AVDD=1.8V, SPKVDD=3.6V, THD+N <= 1%, 8Ohm)* 600mW/CH (AVDD=1.8V, SPKVDD=3.6V, THD+N <= 0.1%, 8Ohm)
主要特徵
- · Digital Super Wideband Voice DSP Voice communication enhancement (AEC, NS…etc.) Advanced Beam-Forming (Voice Tracking) Stereo Far field pick-up recording (48KHz Sample Rate)· SounzReal TM post-processing TruTreble BassBack· Parametric 14 bands equalizer (EQ) – each 7 bands for L/R playback path independent control· Parametric 6 bands equalizer (EQ) for recording path· Advanced DRC with multi-section compressor function for playback/recording path· Sound detection wake up technology· Wind noise reduction filter· One 24bit/8kHz ~ 192kHz I2S/PCM/TDM digital interface· One 24bit/8kHz ~ 192kHz I2S/PCM digital interface· Digital asynchronous sampling rate converter (ASRC) function· I2C control interface· 3 stereo digital microphone interfaces· 4 Digital-to-Analog Converter with 100dBA SNR· 2 Analog-to-Digital Converter with 94dBA SNR· 2 single-ended analog microphone inputs with pre-amplifiers (+20/24/30/35/40/44/50/52dB) and low noise microphone bias MIC input to ADC with 50dB Boost, SNR>66dBA, THD+N<-65dB Headset microphone and ground auto switch· Stereo line input -85dB THD+N (with 0dB gain path) 94dBA SNR (with 0dB gain path)· Stereo single-ended/mono differential line output -85dB THD+N (with 0dB gain path, 10k ohm loading) 100dBA SNR (with 0dB gain path, 10k ohm loading)· Stereo BTL (Bridge-Tied Load) Class-D amplifier 700mW/CH (AVDD=1.8V, SPKVDD=3.6V, THD+N <= 1%, 8Ohm) 600mW/CH (AVDD=1.8V, SPKVDD=3.6V, THD+N <= 0.1%, 8Ohm)
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Manufacturer | REALTEK | Product Category ! | IC Chips |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is ALC5672?
The ALC5672 is a low power audio codec designed by Realtek. It is ideal for applications requiring high-quality audio playback and recording, such as smartphones, tablets, and portable media players.
How Does ALC5672 Work?
The ALC5672 works by converting analog audio signals into digital data for processing and digital audio signals back to analog for playback. It features high-quality audio converters, integrated microphone preamplifier, and headphone amplifier to provide a complete audio solution for portable devices.
How Many Pins does ALC5672 have and What are the Functions of the Pinout Configuration?
The ALC5672 is housed in a compact package with a pinout configuration that includes:
- Power and Ground Pins: Pins for connecting power and ground.
- Audio Input and Output Pins: Pins for connecting audio signals.
- Control Interface Pins: Pins for controlling the codec and accessing its features.
- Microphone and Headphone Pins: Pins for connecting microphone and headphone signals.
- Additional Feature Pins: Pins for additional features such as I2C interface, GPIOs, etc.
What are the Pros and Cons of ALC5672?
Pros:
- Low Power Consumption: Operates with low power, suitable for battery-powered devices.
- High-Quality Audio: Provides high-quality audio playback and recording capabilities.
- Integrated Features: Includes integrated microphone preamplifier and headphone amplifier for a complete audio solution.
- Compact Package: Space-efficient package suitable for compact portable designs.
Cons:
- Complex Integration: May require careful design considerations for optimal audio performance and system integration.
- External Components: May need external components for certain applications or feature enhancements.
- Cost: Higher performance and integrated features may result in a higher cost compared to basic audio codecs.
Are There Any Equivalents/Alternatives to ALC5672 for Recommendation?
- The WM8994 from Cirrus Logic is a similar audio codec with comparable features.
- Alternatives to the ALC5672 include the MAX98504 from Maxim Integrated and the SGTL5000 from NXP Semiconductors.
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