I2C Audio Processor ICs
Description
I2C Audio Processor ICs are semiconductor devices designed to detect, decode, and process both analog and digital audio signals. These integrated circuits offer a range of functionalities, including multi-channel input selection, treble and bass controls, and balance controls. They also provide bus-controlled volume, tone, and balance adjustments, as well as advanced audio processing features like surround sound matrix and voice-cancelling functions. The processors can be programmed to deliver various audio effects by loading commands from a serial bus.
Working Principle
I2C Audio Processor ICs operate by utilizing an I2C interface to program and control audio processing functions. This interface allows for the seamless integration of audio processing capabilities such as 3-D surround sound, audio mixing, and dynamic range control. The processors work by converting audio signals into digital format, which helps maintain high audio quality during distribution between devices. The separation of clock and serial data signals in the I2C interface reduces jitter and enhances noise immunity, making these processors particularly useful in maintaining audio fidelity.
Applications
I2C Audio Processor ICs are used in a variety of applications, including consumer electronics like smartphones and Bluetooth headphones, where they enhance audio quality and provide features such as surround sound and voice cancellation. They are also employed in professional audio equipment to manage complex audio processing tasks and in automotive audio systems to deliver high-quality sound experiences.
Advantages over other Audio Processor ICs
One of the key advantages of I2C Audio Processor ICs is their programmability via the I2C interface, which allows for a high degree of customization in audio processing. This flexibility enables the creation of hundreds of different audio effect arrangements. Additionally, the digital signal processing capabilities of these ICs, such as dynamic range control and equalization, offer superior audio quality compared to analog processors. The built-in protection circuits, including thermal and short-circuit protection, enhance the reliability and robustness of these devices.
Limitations
I2C Audio Processor ICs may face limitations in terms of processing power, especially when compared to more advanced processors like those based on ARM Cortex cores. These limitations can affect the ability to handle high-end audio processing tasks, which may be necessary for some applications requiring top-notch sound quality.
Considerations
When selecting I2C Audio Processor ICs, it is important to consider factors such as initial costs, which can vary based on the specific features and capabilities of the IC. Operating expenses may include power consumption, which is a critical factor in battery-powered devices. Durability and reliability are enhanced by built-in protection features, but the accuracy of audio processing can be influenced by the quality of the digital-to-analog conversion. Replacement and maintenance costs are generally low, given the robust design and protection features of these ICs.
from DigiKey
Audio Audio Signal Processor 2 Channel 64-SQFP-T (12x12) [See More]
- Interface: I2C
- Package/Case: 64-LQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 8 to 9.5
from RS Components, Ltd.
Stereo Audio CODEC,TLV320AIC3104IRHBT [See More]
- Interface: I2C; Serial-i2c
- Number of Channels: 2
- Package/Case: Qfn
from RS Components, Ltd.
Audio Codec 2ADC / 2DAC 32-Bit [See More]
- Interface: I2C; SPI; Serial-i2c, serial-spi
- Number of Channels: 2
- Package/Case: Qfn
from Lingto Electronic Limited
192 KHZ STEREO ASYNCHRONOUS SAMP [See More]
- Interface: I2C; I²C
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Cirrus Logic, Inc.
The CS8416 is a digital audio receiver that supports sample rates up to 192 kHz. It enables consumer and professional audio products to exchange S/PDIF and AES/EBU audio data. An 8:2 input multiplexer allows for up to eight channels of digital audio input data. The second output of the input... [See More]
- Interface: I2C; SPI
- Output Signal: Digital
- Input Signal: Digital
- Package/Case: 28 SOIC; 28 TSSOP; 28 QFN
from ROHM Semiconductor USA, LLC
This LSI is the digital sound processor which made the use digital signal processing for FPD TVs. DSP of ROHM original is used for the TV sound processor unit, and it excels in cost performance. The asynchronous sampling rate converter is built in the digital input one line. The audio AD converter... [See More]
- Interface: I2C
- Supply Voltage: 3 to 3.6
from ROHM Semiconductor GmbH
ROHM's 2ch / 6ch electronic volume ICs feature a wide dynamic range (131dB / 133dB). In addition, two ICs can be paired up via serial bus control for 8ch operation. [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from Lingto Electronic Limited
STEREO SAMPLE RATE CONVERTER [See More]
- Interface: I2C; I²C
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Cirrus Logic, Inc.
Cirrus Logic ’s flagship CS3318 is an eight-channel, high-voltage, digitally controlled analog volume control IC that is the benchmark for audio quality, showcasing 127 dB dynamic range. The CS3318 operates from a ±9 V power supply, with 118 dB adjustable range from +22 dB to -96 dB,... [See More]
- Interface: I2C; SPI
- Number of Channels: 8
- Package/Case: 48 LQFP
- Supply Voltage: 3.3 to 9
from ROHM Semiconductor USA, LLC
ROHM's 2ch / 6ch electronic volume ICs feature a wide dynamic range (131dB / 133dB). In addition, two ICs can be paired up via serial bus control for 8ch operation. [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from ROHM Semiconductor GmbH
ROHM's 2ch / 6ch electronic volume ICs feature a wide dynamic range (131dB / 133dB). In addition, two ICs can be paired up via serial bus control for 8ch operation. [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSOR 80LQFP [See More]
- Interface: I2C; I²C
- Number of Channels: 4
- Mounting: Surface Mount (SMT)
from Cirrus Logic, Inc.
The WM8804 is a high performance consumer mode S/PDIF transceiver with support for 1 received channel and 1 transmitted channel. A crystal derived, or externally provided high quality master clock is used to allow low jitter recovery of S/PDIF supplied master clocks. Generation of all typically used... [See More]
- Interface: I2C; I2S
- Output Signal: Digital
- Input Signal: Digital
- Package/Case: 20 SSOP
from ROHM Semiconductor USA, LLC
ROHM's 2ch / 6ch electronic volume ICs feature a wide dynamic range (131dB / 133dB). In addition, two ICs can be paired up via serial bus control for 8ch operation. [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from ROHM Semiconductor GmbH
ROHM 5.1 sound processor ICs make it easy to configure 5.1 home theater systems. [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from Lingto Electronic Limited
IC AUDIO RECEIVER 30VSOP [See More]
- Interface: I2C; I²C
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from Cirrus Logic, Inc.
The WM8805 is a high-performance consumer mode S/PDIF transceiver with support for eight received channels and one transmitted channel. A crystal derived, or externally provided high quality master clock is used to allow low jitter recovery of S/PDIF supplied master clocks. Generation of all... [See More]
- Interface: I2C; I2S
- Output Signal: Digital
- Input Signal: Digital
- Package/Case: 28 SSOP
from ROHM Semiconductor USA, LLC
This LSI is the digital sound processor which madethe use digital signal processing for FPD TVs. DSP of ROHM original is used for the TV sound processor unit, and it excels in cost performance. A selection input of twolines is possible from four digital inputs. An asynchronous sampling rate... [See More]
- Interface: I2C
- Supply Voltage: 3 to 3.6
from ROHM Semiconductor GmbH
These sound processors with μ-step volume control utilize the most advanced shock noise prevention technology in the industry for high fidelity audio reproduction in home theater systems. [See More]
- Interface: I2C
- Supply Voltage: 13 to 15
from Lingto Electronic Limited
IC AUDIO TRANSCEIVER 48LQFP [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 8
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
BD34602FS-M is a 6ch independent volume system. It is designed to have high-quality sound by improving the op-amp and optimizing the design layout. In addition, it is compatible, same package and it has common control with BD3461FS, therefore replacement from BD3461FS is easy. [See More]
- Interface: I2C
- Supply Voltage: 7 to 9.5
from ROHM Semiconductor GmbH
These multiple-input stereo selectors with buffer amplifiers that correspond to secondary These multi-input stereo selectors integrate a buffer amp that supports secondary audio output. In addition, the ICs are compatible with both + / - and single power supplies, and can be configured in... [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from Lingto Electronic Limited
IC SAMPLE RATE CONVERTER 24VSOP [See More]
- Interface: I2C; I2S; I²C, I²S
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
These multiple-input stereo selectors with buffer amplifiers that correspond to secondary These multi-input stereo selectors integrate a buffer amp that supports secondary audio output. In addition, the ICs are compatible with both + / - and single power supplies, and can be configured in... [See More]
- Interface: I2C
- Supply Voltage: 10 to 14.6
from ROHM Semiconductor GmbH
These multiple-input stereo selectors with buffer amplifiers that correspond to secondary These multi-input stereo selectors integrate a buffer amp that supports secondary audio output. In addition, the ICs are compatible with both + / - and single power supplies, and can be configured in... [See More]
- Interface: I2C
- Supply Voltage: 8 to 14.6
from Lingto Electronic Limited
117DB 768KHZ/32-BIT 8CH PREMIUM [See More]
- Interface: I2C; I2S; SPI; I²C, I²S, SPI
- Number of Channels: 8
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
The BD34705KS2 is an 8ch independent volume system. The system is designed to allow 7.1ch surround system application. It is improvement that sound quality more than the conventional products. Micro-step volume can reduce the switching pop noise during volume attenuation, so a high quality audio... [See More]
- Interface: I2C
- Supply Voltage: 6.5 to 7.5
from ROHM Semiconductor GmbH
The BD34701KS2 is an 8ch independent volume system. The system is designed in such a way, that it can be used as a 7.1ch surround system. Micro-step volume can reduce the switching shock noise when volume changes, so it can achieve a high-quality set. 8ch dual input selector for zone 2 and multi... [See More]
- Interface: I2C
- Supply Voltage: 6.5 to 7.5
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 35WLCSP [See More]
- Interface: I2C; PCM; SPI; UART; GPIO, I²C, PCM, SPI, UART
- Number of Channels: 4
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
This series features 6ch/8ch electronic volume for faders. The advanced switch mitigates shock noise during volume switching. [See More]
- Interface: I2C
- Supply Voltage: 7 to 9.5
from ROHM Semiconductor GmbH
ROHM's USB Audio Decoder ICs integrate a USB 2.0 host, SD memory card controller, AAC decoder, WMA decoder, MP3 decoder, Audio DAC amp, and a system controller all on a single chip, allowing easy playback of music stored in USB flash memory using an audio player. They can be easily added to... [See More]
- Interface: I2C; USB
- Supply Voltage: 3 to 3.6
from Lingto Electronic Limited
IC AUDIO/VIDEO SWITCH 6CH 24SSOP [See More]
- Interface: I2C; I²C
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
BD37034FV-M is sound processors for car audio. The functions are stereo 5 input selector, volume, 3-band equalizer, loudness, 6ch fader, mixing, HPF for front and rear, LPF for subwoofer, anti-aliasing-filter, Hi-Voltage output, output level detector. Moreover, “Advanced switch circuit... [See More]
- Interface: I2C
- Supply Voltage: 7 to 9.5
from Lingto Electronic Limited
IC VOLUME CONTROL 24SSOP [See More]
- Interface: I2C; I²C
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
This series supports common control software, increasing design and development efficiency. In addition, an internal 2-band equalizer enables the adjustment of the tone and bass signals without using external components, while 3 input selectors and 4ch independent volume and fader control ensure... [See More]
- Interface: I2C
- Supply Voltage: 7 to 9.5
from Lingto Electronic Limited
IC VOLUME CONTROL 20SSOP-B [See More]
- Interface: I2C; I²C
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from ROHM Semiconductor USA, LLC
ROHM's USB Audio Decoder ICs integrate a USB 2.0 host, SD memory card controller, AAC decoder, WMA decoder, MP3 decoder, Audio DAC amp, and a system controller all on a single chip, allowing easy playback of music stored in USB flash memory using an audio player. They can be easily added to... [See More]
- Interface: I2C
- Supply Voltage: 3 to 3.6
from Lingto Electronic Limited
IC AUDIO TONE PROCESSOR 28SSOPB [See More]
- Interface: I2C; I²C
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 32SSOPA [See More]
- Interface: I2C; I²C
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO PROCESSOR 28SSOPB [See More]
- Interface: I2C; I²C
- Number of Channels: 5
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO PROCESSOR 40SSOPB [See More]
- Interface: I2C; I²C
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO TONE PROCESSOR 20SSOPA [See More]
- Interface: I2C; I²C
- Number of Channels: 4
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSOR 18SOP [See More]
- Interface: I2C; I²C
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SGNL PROCESSOR 128HTQFP [See More]
- Interface: I2C; SPI; UART; I²C, SPI, UART
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSOR 32QFN [See More]
- Interface: I2C; I²C
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 31WLCSP [See More]
- Interface: I2C; I²C
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
CS4226 - SURROUND SOUND CODEC [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC FULLY INTEG PROCESSOR 64LQFP [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 6
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
DIGITAL AUDIO INTERFACE TRANS [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 1
from Lingto Electronic Limited
IC AUDIO TRANSMITTER 28TSSOP [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
DIGITAL AUDIO INTERFACE TRANS [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)