Audio Amplifier ICs

Audio amplifier ICs (integrated circuits) are devices used within electronic circuits for audio applications. Audio amplifiers increase, control and amplify the strength or amplitude of the signals. They are used to increase the sound and quality of the audio signal. Amplifier characteristics and performance are classed using letter symbols, such as Class-A, Class-B, Class-C, Class-D or Class-AB.

IC audio amplifiers are useful because they can vastly decrease the size of amplification devices, making it possible to create sophisticated amplification within a small package. Unlike power amplifiers, they are not standalone devices. Audio amplifiers come in standard semiconductor packages, such as HTSSOP, MSOP, PDIP, SOIC and TQFN. These packages can be through-hole or surface mounted.

Where are Audio Amplifier ICs used?

Audio amplifier ICs are used in a range of commercial applications. They are found in car stereos, headphones, televisions, keyboards, and toys. They are also used in electronic circuits for line drivers, ultrasonic drivers, power converters and radio amplifiers.

Types of Audio Amplifier:

  • Audio Amplifier
  • Audio Power Amplifier
  • Audio Line Driver
  • Audio System
  • Bridge Amplifier
  • Compandor
  • Microphone Pre-Amplifier
  • Headphone Amplifier
  • Speaker Amplifier
  • Operational Amplifier

Things to consider when choosing an audio amplifier:

  • Input Signal type - This is usually single-ended and/or differential inputs.
  • Output Signal type - This is usually single-ended and/or differential outputs.
  • Maximum Power - Given in watts, depending on the size and scope of amplification you need.
  • Output Type - Mono outputs have a single channel, while stereo outputs have more than one.

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Description Price Amplifier Type Output Type Application Maximum Power Amplifier Class Mounting Type Typical Single Supply Voltage Power Supply Type Number of Channels per Chip Package Type Pin Count Input Signal Type Output Signal Type Typical Gain Bandwidth Product
New
RS Stock No. 218-6318
Mfr. Part No.IR4322MTRPBF
BrandInfineon
MYR22.67
Each (In a Pack of 2)
units
Class-D 2 Channel Mono - 100W Class D Surface Mount 75 V - - PQFN44 44 - - -
New
RS Stock No. 218-6315
Mfr. Part No.IR4302MTRPBF
BrandInfineon
MYR14.638
Each (On a Reel of 3000)
units
Class-D 2 Channel Mono - 130W Class D Surface Mount 95 V - - PQFN44 44 - - 9MHz
RS Stock No. 170-2310
Mfr. Part No.IRS20957STRPBF
BrandInfineon
MYR8.855
Each (On a Reel of 2500)
units
Audio Monolithic - 500W Class D Surface Mount - Single 1 SOIC 16 Single Single -
RS Stock No. 171-1976
Mfr. Part No.IRS20957STRPBF
BrandInfineon
MYR7.456
Each (In a Pack of 10)
units
- - - - - - - - - - - - - -
RS Stock No. 170-2312
Mfr. Part No.IRS2092STRPBF
BrandInfineon
MYR8.217
Each (On a Reel of 2500)
units
Audio Monolithic - 500W Class D Surface Mount - Single 1 SOIC 16 Single Single 9MHz
RS Stock No. 171-1980
Mfr. Part No.IRS2092STRPBF
BrandInfineon
MYR12.128
Each (In a Pack of 10)
units
- - - - - - - - - - - - - -
New
RS Stock No. 218-6316
Mfr. Part No.IR4302MTRPBF
BrandInfineon
MYR18.835
Each (In a Pack of 2)
units
Class-D 2 Channel Mono - 130W Class D Surface Mount 95 V - - PQFN44 44 - - 9MHz
New
RS Stock No. 218-6317
Mfr. Part No.IR4322MTRPBF
BrandInfineon
MYR12.571
Each (On a Reel of 3000)
units
Class-D 2 Channel Mono - 100W Class D Surface Mount 75 V - - PQFN44 44 - - -