SPI Audio Processor ICs
Description
SPI Audio Processor ICs are semiconductor devices designed to detect, decode, and process both analog and digital audio signals. These integrated circuits (ICs) perform essential audio functions such as multi-channel input selection, treble and bass controls, and balance adjustments. They are capable of providing bus-controlled volume, tone, and balance controls, as well as advanced features like surround sound matrix and voice-cancelling functions. By utilizing a serial bus, these processors can be programmed to deliver a wide range of audio effects and configurations.
Working Principle
SPI Audio Processor ICs operate by receiving audio signals, which they then process using a combination of digital signal processing techniques. These ICs can handle both analog and digital inputs, converting them into a format suitable for further processing. The processors use phase shifters and other algorithms to manipulate audio signals, creating effects such as surround sound and stereo simulation. The integration of bipolar and CMOS technologies helps in reducing noise and distortion, ensuring high-quality audio output. These processors are useful because they allow for precise control over audio characteristics, enabling customization and enhancement of sound quality.
Applications
SPI Audio Processor ICs are used in a variety of applications where audio quality and control are critical. Specific examples include home theater systems, where they manage multi-channel audio to create immersive sound experiences. They are also used in automotive audio systems to provide high-quality sound and customizable audio settings. Additionally, these ICs are found in portable audio devices, such as MP3 players and smartphones, where they enhance audio playback and provide features like equalization and noise cancellation.
Advantages over other Audio Processor ICs
SPI Audio Processor ICs offer several advantages over other types of audio processors. One significant advantage is their ability to be programmed via a serial bus, allowing for a high degree of customization and flexibility in audio processing. This programmability enables the creation of hundreds of different audio effects and configurations, which is not always possible with other audio processors. Additionally, the use of bipolar and CMOS technologies in these ICs helps to minimize noise and distortion, providing clearer and more accurate audio output.
Limitations
Despite their advantages, SPI Audio Processor ICs have some limitations. One limitation is their dependency on external components for certain functions, which can increase the complexity and cost of the overall system design. Additionally, while they offer a high degree of programmability, this can also lead to increased design time and complexity, as engineers must carefully configure the ICs to achieve the desired audio effects.
Considerations
When considering the use of SPI Audio Processor ICs, several factors should be taken into account. Initial costs can vary depending on the complexity and capabilities of the ICs, as well as the need for additional components. Operating expenses may include power consumption, which can be a concern in battery-powered devices. Durability and reliability are generally high, but the specific environment and application can impact longevity. Accuracy in audio processing is a key strength of these ICs, but achieving the desired results may require careful programming and configuration. Replacement and maintenance costs are typically low, but depend on the specific application and usage conditions.
from RS Components, Ltd.
Audio Codec, CS4272-CZZ TSSOP28 [See More]
- Interface: SPI; Serial-i2s, serial-spi
- Number of Channels: 2
- Package/Case: Tssop
from DigiKey
IC AUDIO SIGNAL PROCESSOR 64QFN [See More]
- Interface: SPI
- Package/Case: 64-VFQFN Exposed Pad
- Mounting: Surface Mount (SMT)
from Skyworks Solutions, Inc.
Next Gen Single-Channel ProSLIC [See More]
- Interface: PCM; SPI; PCM/SPI
- Package/Case: QFN40
- Mounting: Surface Mount (SMT)
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 DigiKey
2-CHANNEL, DIGITAL-INPUT CLASS-D [See More]
- Interface: SPI
- Package/Case: 64-VFQFN Exposed Pad
- Mounting: Surface Mount (SMT)
- Supply Voltage: 1.1 to 1.3
from Skyworks Solutions, Inc.
Single-Chip Dual ProSLIC [See More]
- Interface: PCM; SPI; PCM/SPI
- Package/Case: LGA60
- Mounting: Surface Mount (SMT)
from DigiKey
Audio Volume Control 2 Channel 32-SSOP [See More]
- Interface: SPI
- Package/Case: "32-LSSOP (0.220"", 5.60mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 8.5 to 18
from Skyworks Solutions, Inc.
Dual-Channel ProSLIC [See More]
- Interface: PCM; SPI; PCM/SPI
- Package/Case: QFN56
- Mounting: Surface Mount (SMT)
from DigiKey
Audio Volume Control 2 Channel 16-SOIC [See More]
- Interface: SPI
- Package/Case: "16-SOIC (0.295"", 7.50mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.5 to 15.5
from Skyworks Solutions, Inc.
Next Gen Dual-Channel ProSLIC [See More]
- Interface: PCM; SPI; PCM/SPI
- Package/Case: QFN68
- Mounting: Surface Mount (SMT)
from DigiKey
Audio Volume Control 2 Channel 16-PDIP [See More]
- Interface: SPI
- Package/Case: "16-DIP (0.300"", 7.62mm)"
- Mounting: Through Hole
- Supply Voltage: 4.5 to 15.5
from Skyworks Solutions, Inc.
Voice DAA [See More]
- Interface: PCM; SPI; GCI; PCM/SPI
- Package/Case: QFN24; TSSOP20
- Mounting: Surface Mount (SMT)
from DigiKey
Audio Sample Rate Converter 4 Channel 64-TQFP (10x10) [See More]
- Interface: SPI
- Package/Case: 64-TQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 1.8 to 3.3
from Skyworks Solutions, Inc.
Single Chip ProSLIC [See More]
- Interface: PCM; SPI; PCM/SPI
- Package/Case: LGA42
- Mounting: Surface Mount (SMT)
from DigiKey
Audio Sample Rate Converter 2 Channel 48-TQFP (7x7) [See More]
- Interface: SPI
- Package/Case: 48-TQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 3 to 3.6
from DigiKey
Audio Audio Transceiver 2 Channel 48-LQFP (7x7) [See More]
- Interface: SPI
- Package/Case: 48-LQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 2.9 to 3.6
from DigiKey
Audio Volume Control 4 Channel 28-SOIC [See More]
- Interface: SPI
- Package/Case: "28-SOIC (0.295"", 7.50mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.75 to 5.25
from DigiKey
Audio Audio Signal Processor 2 Channel 32-TQFP (7x7) [See More]
- Interface: SPI
- Package/Case: 32-TQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 3 to 3.6
from DigiKey
Audio Volume Control 2 Channel 20-SOIC [See More]
- Interface: SPI
- Package/Case: "20-SOIC (0.295"", 7.50mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.5 to 12
from DigiKey
IC LINE DRIVER 28TSSOP [See More]
- Interface: SPI
- Package/Case: "28-TSSOP (0.173"", 4.40mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.5 to 5.5
from DigiKey
26-WLCSP (2.39x2.23) [See More]
- Interface: SPI
- Package/Case: 26-VFBGA, WLCSP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 1.65 to 3.63
from DigiKey
IC AUDIO SIGNAL PROCESSOR 19SIP [See More]
- Interface: SPI
- Package/Case: 19-LFLGA
- Mounting: Surface Mount (SMT)
- Supply Voltage: 1.05 to 2
from DigiKey
IC AUDIO SGNL PROCESSOR 100PQFP [See More]
- Interface: SPI
- Package/Case: 100-BQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 3 to 3.6
from DigiKey
IC AUDIO TRANSCEIVER 48-LFCSP [See More]
- Interface: SPI
- Package/Case: 48-WFQFN Exposed Pad, CSP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 3.3
from DigiKey
IC AUDIO TRANSCEIVER 48LFCSP [See More]
- Interface: SPI
- Package/Case: 48-WFQFN Exposed Pad, CSP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 1.7 to 1.98
from DigiKey
Audio Sample Rate Converter 1 Channel 42-WLCSP (2.7x2.32) [See More]
- Interface: SPI
- Package/Case: 42-UFBGA, WLCSP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 1.1 to 1.98
from DigiKey
Audio Fully Integrated Processor 6 Channel 64-LQFP (10x10) [See More]
- Interface: SPI
- Package/Case: 64-LQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 2.5 to 5
from DigiKey
Audio Fully Integrated Processor 8 Channel 64-LQFP (10x10) [See More]
- Interface: SPI
- Package/Case: 64-LQFP
- Mounting: Surface Mount (SMT)
- Supply Voltage: 2.5 to 5
from DigiKey
Audio Audio Transmitter 2 Channel 28-TSSOP [See More]
- Interface: SPI
- Package/Case: "28-TSSOP (0.173"", 4.40mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.5 to 5.5
from DigiKey
Audio Sample Rate Converter 2 Channel 28-SOIC [See More]
- Interface: SPI
- Package/Case: "28-SOIC (0.295"", 7.50mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.75 to 5.25
from DigiKey
Audio Volume Control 2 Channel 16-SOIC [See More]
- Interface: SPI
- Package/Case: "16-SOIC (0.295"", 7.50mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.75 to 5.25
from DigiKey
Audio Sample Rate Converter, Audio Receiver 2 Channel 32-QFN (5x5) [See More]
- Interface: SPI
- Package/Case: 32-VFQFN Exposed Pad
- Mounting: Surface Mount (SMT)
- Supply Voltage: 3.13 to 3.46
from DigiKey
Audio Audio Transceiver 2 Channel 28-TSSOP [See More]
- Interface: SPI
- Package/Case: "28-TSSOP (0.173"", 4.40mm Width)"
- Mounting: Surface Mount (SMT)
- Supply Voltage: 4.5 to 5.5
from Lingto Electronic Limited
IC AUDIO TRANSCEIVER 48LQFP [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 8
- 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
BM94715EKU is 1-Chip SOC for multimedia audio systems, which supports the USB memory, SD memory card, and CD. This IC has a built-in ARM946ES processor, SDRAM, and various peripherals. It is designated to download programs from external Serial Flash ROM and execute system control, file system... [See More]
- Interface: I2C; SPI; UART
- Features: System-on-Chip
- Supply Voltage: 3 to 3.6
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 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 Lingto Electronic Limited
IC AUDIO SGNL PROCESSOR 180CTBGA [See More]
- Interface: I2C; I2S; SPI; I²C, I²S, SPI
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
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 Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 32SSOPA [See More]
- Interface: SPI; SPI
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 24SSOPA [See More]
- Interface: SPI; SPI
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 28SSOPB [See More]
- Interface: SPI; SPI
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO SIGNAL PROCESSR 40SSOPB [See More]
- Interface: SPI; SPI
- 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 VOLUME CONTROL 16SOIC [See More]
- Interface: SPI; SPI
- Number of Channels: 2
- 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)
from Lingto Electronic Limited
CONSUMER CIRCUIT, CMOS, PDSO28 [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 7
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC LINE DRIVER 28TSSOP [See More]
- Interface: SPI; SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO TRANSCEIVER 48TQFP [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 4
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC AUDIO TRANSCEIVER 48LQFP [See More]
- Interface: I2C; I2S; SPI; I²C, I²S, SPI
- Number of Channels: 2
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC DEMODULATOR 16TSSOP [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
PORTABLE SOUND SOLUTIONS [See More]
- Interface: I2C; SPI; I²C, SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
LM1971 DIGITALLY CONTROLLED 62 D [See More]
- Interface: SPI; SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC VOLUME CONTROL 8SOIC [See More]
- Interface: SPI; SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
LM1971 DIGITALLY CONTROLLED 62 D [See More]
- Interface: SPI; SPI
- Number of Channels: 1
- Mounting: Surface Mount (SMT)
from Lingto Electronic Limited
IC VOLUME CONTROL 8DIP [See More]
- Interface: SPI; SPI
- Number of Channels: 1
- Mounting: Through Hole