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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Omschrijving Prijs 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
RS-stocknr. 189-8729
FabrikantMaxim Integrated
€ 1,229
Each (In a Pack of 10)
Aantal stuks
Audio 1 Channel Mono Headphone, Microphone - Class A-B Surface Mount 2.7 → 5.5 V Single 1 TDFN 14 Single Ended Single Ended -
RS-stocknr. 100-5943
€ 1,326
Each (In a Tube of 95)
Aantal stuks
Audio Power Amplifier 2 Channel Stereo Speaker 0.25W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Single Ended -
RS-stocknr. 787-8819
FabrikantON Semiconductor
€ 0,444
Each (In a Pack of 10)
Aantal stuks
Audio Differential - 1 W, 1.5W Class A-B Surface Mount 2.7 → 5.5 V Single 2 SOIC 8 Differential Differential 12MHz
RS-stocknr. 201-8293
€ 3,949
Each (On a Reel of 500)
Aantal stuks
Noise Cancellation - Headphone - - Surface Mount - - - QFN 32 - - -
RS-stocknr. 191-5153
FabrikantMaxim Integrated
€ 2,502
Each (In a Pack of 5)
Aantal stuks
Audio - - 2.4W Class G Surface Mount 2.7 → 5.5 V Single 1 TQFN 28 Differential Differential -
RS-stocknr. 191-4838
FabrikantMaxim Integrated
€ 0,578
Each (In a Pack of 25)
Aantal stuks
Audio Rail to Rail - - - Surface Mount +2.4 → +5.5 V Single - SC-70 5 Single Ended - 200kHz
RS-stocknr. 170-2310
€ 1,382
Each (On a Reel of 2500)
Aantal stuks
Audio Monolithic - 500W Class D Surface Mount - Single 1 SOIC 16 Single Single -
RS-stocknr. 812-4230
€ 3,35
Each (In a Pack of 5)
Aantal stuks
Audio 1 Channel Mono, 2 Channel Stereo Speaker, Television 10W Class D Through Hole 10 → 26 V Single 2 PDIP 20 Single Ended Differential, Single Ended -