Audio Special Purpose

Category Introduction

Audio Special Purpose are a semiconductor device designed to filter, drive, amplify, convert, and interface an audio signals. The characteristics are function, applications, number of channels, interface, voltage, and specifications. The applications include audio systems, automotive audio, consumer audio, musical instruments, professional audio, communication systems, telecommunication systems, digital audio, driver, pre-amplifier, signal mixing, signal processing, voice trigger solution, or 10 Base-T.

Product List

1487 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Function	Applications	Number of Channels	Interface	Voltage - Supply	Operating Temperature	Specifications	Mounting Type	Package / Case	Supplier Device Package
NAU8220WG IC LINE DRIVER 14TSSOP Nuvoton Technology Corporation	736	$0.59		Tube	Active	Line Driver	Pre-Amplifier	2	Serial	3V ~ 3.6V	-40°C ~ 85°C (TA)	Class AB	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
ADAU7002ACBZ-R7 IC SAMPLE RATE CONVERTER 8WLCSP Analog Devices Inc.	349	$2.22		Tape & Reel (TR)	Active	Sample Rate Converter	Consumer Audio	2	I²S	1.62V ~ 3.6V	-40°C ~ 85°C (TA)	PDM-to-I²S	Surface Mount	8-UFBGA, WLCSP	8-WLCSP (0.76x1.56)
DIR9001PWR IC AUDIO RECEIVER 28TSSOP Texas Instruments	157	$5.28		Tape & Reel (TR)	Active	Audio Receiver	Automotive Audio, Consumer Audio, Musical Instruments	1	I²S	2.7V ~ 3.6V	-40°C ~ 85°C (TA)	28kHz ~ 108kHz	Surface Mount	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP
DRV134UA/1K IC LINE DRIVER 16SOIC Texas Instruments	155	$5.52		Tape & Reel (TR)	Active	Line Driver	Pre-Amplifier, Professional Audio	2	Analog	±4.5V ~ 18V	-55°C ~ 125°C (TA)	Differential Output	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
PCM9211PT IC AUDIO TRANSCEIVER 48LQFP Texas Instruments	137	$5.23		Tray	Active	Audio Transceiver	Consumer Audio, Musical Instruments	2	I²C, I²S, SPI	2.9V ~ 3.6V	-40°C ~ 85°C (TA)	7kHz ~ 216kHz	Surface Mount	48-LQFP	48-LQFP (7x7)
DIT4096IPW IC LINE DRIVER 28TSSOP Texas Instruments	164	$5.58		Tube	Active	Line Driver	Pre-Amplifier, Professional Audio	1	SPI	4.5V ~ 5.5V	-40°C ~ 85°C (TA)	Differential Output	Surface Mount	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP
DRV134UA IC LINE DRIVER 16SOIC Texas Instruments	135	$6.52		Tube	Active	Line Driver	Pre-Amplifier, Professional Audio	2	Analog	±4.5V ~ 18V	-55°C ~ 125°C (TA)	Differential Output	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
ZL38051LDF1 IC AUDIO SIGNAL PROCESSOR 64QFN Microchip Technology	100	$7.95	AcuEdge™	Tape & Reel (TR)	Active	Audio Signal Processor	Consumer Audio	2	-	-	-	-	Surface Mount	64-VFQFN Exposed Pad	64-QFN (9x9)
ZL38040LDG1 IC AUDIO SIGNAL PROCESSOR 64QFN Microchip Technology	11	$9.08	AcuEdge™	Tray	Active	Audio Signal Processor	Consumer Audio	2	SPI	-	-	48kHz	Surface Mount	64-VFQFN	64-QFN (9x9)
PCM2706CPJT IC AUDIO SIGNAL PROCESSOR 32TQFP Texas Instruments	52	$10.58		Tray	Active	Audio Signal Processor	Audio Systems	2	I²C, SPI	3V ~ 3.6V	-40°C ~ 125°C (TA)	-	Surface Mount	32-TQFP	32-TQFP (7x7)
PGA2311U IC VOLUME CONTROL 16SOIC Texas Instruments	48	$11.43		Tube	Active	Volume Control	Automotive Audio, Musical Instruments, Professional Audio	2	SPI	±4.75V ~ 5.25V	-40°C ~ 85°C (TA)	31.5dB ~ -95.5dB	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
CS8416-CSZ IC AUDIO RECEIVER 28SOIC Cirrus Logic Inc.	33	$10.89		Tube	Obsolete	Audio Receiver	Digital Audio Interfacing	8	I²C, SPI	3.3V ~ 5V	-10°C ~ 70°C (TA)	32kHz ~ 192kHz	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
WM8804GEDS/V IC AUDIO TRANSCEIVER 20SSOP Cirrus Logic Inc.	59	$11.49		Tube	Active	Audio Transceiver	Professional Audio	1	I²S	2.7V ~ 3.6V	-40°C ~ 85°C (TA)	32kHz ~ 192kHz	Surface Mount	20-SSOP (0.209", 5.30mm Width)	20-SSOP
CS8416-DZZ IC AUDIO RECEIVER 28TSSOP Cirrus Logic Inc.	60	$12.52		Tube	Obsolete	Audio Receiver	Digital Audio Interfacing	8	I²C, SPI	3.3V ~ 5V	-40°C ~ 85°C (TA)	32kHz ~ 192kHz	Surface Mount	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP
SRC4184IPAG IC SAMPLE RATE CONVERTER 64TQFP Texas Instruments	6	$18.06		Tray	Active	Sample Rate Converter	Digital Audio Interfacing	4	SPI	1.8V, 3.3V	-40°C ~ 85°C (TA)	4kHz ~ 212kHz	Surface Mount	64-TQFP	64-TQFP (10x10)
PGA2320IDW IC VOLUME CONTROL 16SOIC Texas Instruments	38	$20.16		Tube	Active	Volume Control	Automotive Audio, Musical Instruments, Professional Audio	2	SPI	±4.5V ~ 15.5V	-40°C ~ 85°C (TA)	31.5dB ~ -95.5dB	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
SRC4392IPFB IC SAMPLE RATE CONVERTER 48TQFP Texas Instruments	39	$20.81		Tray	Active	Sample Rate Converter	Digital Audio Interfacing	2	I²C, SPI	3V ~ 3.6V	-40°C ~ 85°C (TA)	4kHz ~ 216kHz	Surface Mount	48-TQFP	48-TQFP (7x7)
ADAU7002ACBZ-RL IC SAMPLE RATE CONVERTER 8WLCSP Analog Devices Inc.	105	$2.21		Tape & Reel (TR)	Active	Sample Rate Converter	Consumer Audio	2	I²S	1.62V ~ 3.6V	-40°C ~ 85°C (TA)	PDM-to-I²S	Surface Mount	8-UFBGA, WLCSP	8-WLCSP (0.76x1.56)
LM1971MX/NOPB IC VOLUME CONTROL 8SOIC Texas Instruments	104	$2.46	Overture™	Tape & Reel (TR)	Active	Volume Control	Communication Systems	1	SPI	4.5V ~ 12V	-40°C ~ 85°C (TA)	115dB	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NJU72343V-TE1 8-CHANNEL ELECTRONIC VOLUME Nisshinbo Micro Devices Inc.	206	$3.77		Tape & Reel (TR)	Active	Audio Signal Processor	Audio Systems	8	-	±4.5V ~ 7.5V	-40°C ~ 85°C	-	Surface Mount	32-LSSOP (0.220", 5.60mm Width)	32-SSOP

About Audio ICs

What are Audio ICs?

Audio ICs

Audio Integrated Circuits (ICs) are specialized semiconductor devices designed to process and amplify audio signals. These circuits are essential components in a wide range of audio equipment, from simple headphones to complex sound systems. Audio ICs work by converting analog sound waves into digital signals, processing these signals to enhance sound quality, and then converting them back into analog form for output through speakers or headphones. The basic operating principles involve amplification, filtering, and modulation of audio signals to ensure clarity, fidelity, and power efficiency.

Types of Audio ICs

1. Audio Amplifiers

Audio amplifiers are designed to increase the power of audio signals, making them suitable for driving speakers and headphones. They come in various classes, such as Class A, B, AB, and D, each offering different efficiency and sound quality characteristics. Class D amplifiers, for instance, are known for their high efficiency and are commonly used in portable devices.

2. Audio Codecs

Audio codecs are responsible for encoding and decoding digital audio data. They play a crucial role in compressing audio files to reduce storage space while maintaining sound quality. Codecs are widely used in digital music players, smartphones, and streaming devices.

3. Digital Signal Processors (DSPs)

DSPs are specialized microprocessors used for manipulating audio signals in real-time. They perform complex calculations to enhance audio quality, such as equalization, noise reduction, and echo cancellation. DSPs are integral to high-end audio systems and professional audio equipment.

4. Audio Switches and Mixers

Audio switches and mixers are used to route and combine multiple audio signals. They are essential in applications where multiple audio sources need to be managed, such as in recording studios and live sound setups.

How to choose Audio ICs?

When selecting Audio ICs, several key parameters should be considered:

Power Output: Ensure the IC can deliver the required power to drive your speakers or headphones efficiently.
Signal-to-Noise Ratio (SNR): A higher SNR indicates better sound quality with less background noise.
Distortion Levels: Low Total Harmonic Distortion (THD) is crucial for maintaining audio fidelity.
Efficiency: Especially important for battery-powered devices, where power conservation is critical.
Compatibility: Ensure the IC is compatible with your existing system architecture and interfaces.

Evaluating product quality and reliability involves checking supplier credentials, reading reviews, and considering warranties. Environmental factors such as temperature range and humidity tolerance should also be considered, along with installation requirements like PCB layout and thermal management.

Applications of Audio ICs

1. Consumer Electronics

In consumer electronics, Audio ICs are used in devices like smartphones, tablets, and televisions to enhance audio playback quality. They enable features such as surround sound, noise cancellation, and voice recognition.

2. Automotive Industry

Audio ICs are integral to car infotainment systems, providing high-quality audio output and supporting features like hands-free calling and voice commands. They ensure clear sound reproduction even in noisy environments.

3. Professional Audio Equipment

In professional audio equipment, such as mixers, amplifiers, and recording devices, Audio ICs are used to deliver precise sound control and high fidelity. They support features like multi-channel mixing and digital effects processing.

4. Healthcare Devices

Audio ICs are used in hearing aids and other medical devices to amplify and process sound for individuals with hearing impairments. They ensure clear and natural sound reproduction tailored to the user's needs.

5. Gaming and Virtual Reality

In gaming and virtual reality systems, Audio ICs provide immersive sound experiences by supporting 3D audio and spatial sound effects. They enhance the realism and engagement of virtual environments.