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
RS Stock No. 122-1498
Mfr. Part No.PAM8303CBSC
SGD0.389
Each (On a Reel of 2500)
units
Operational Amplifier 1 Channel Mono - 1.8 W, 3W Class D Surface Mount 2.8 → 5.5 V Single 1 MSOP 8 Differential - -
RS Stock No. 146-0952
Mfr. Part No.PAM8406DR
SGD0.466
Each (On a Reel of 2500)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.1W Class A-B, Class D Surface Mount 2.5 → 5.5 V Single 2 SOP 16 Differential Differential -
RS Stock No. 790-2966
Mfr. Part No.PAM8303CBSC
SGD0.844
Each (In a Pack of 10)
units
Operational Amplifier 1 Channel Mono - 1.8 W, 3W Class D Surface Mount 2.8 → 5.5 V Single 1 MSOP 8 Differential - -
RS Stock No. 921-0789
Mfr. Part No.PAM8406DR
SGD1.014
Each (In a Pack of 20)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.1W Class A-B, Class D Surface Mount 2.5 → 5.5 V Single 2 SOP 16 Differential Differential -
RS Stock No. 165-8390
Mfr. Part No.PAM8302AASCR
SGD0.28
Each (On a Reel of 2500)
units
Audio 1 Channel Mono Speaker 1.3 W, 2W Class D Surface Mount 2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 921-0770
Mfr. Part No.PAM8304ASR
SGD0.844
Each (In a Pack of 20)
units
Audio 1 Channel Mono Speaker 1.75 W, 3W Class D Surface Mount 2.8 → 6 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 921-0786
Mfr. Part No.PAM8904JER
SGD1.061
Each (In a Pack of 10)
units
Audio 1 Channel Mono Speaker - - Surface Mount 2.3 → 5.5 V Single 1 UQFN 16 Differential, Single Ended Differential, Single Ended -
RS Stock No. 165-8454
Mfr. Part No.PAM8904JER
SGD0.701
Each (On a Reel of 3000)
units
Audio 1 Channel Mono Speaker - - Surface Mount 2.3 → 5.5 V Single 1 UQFN 16 Differential, Single Ended Differential, Single Ended -
RS Stock No. 165-8389
Mfr. Part No.PAM8304ASR
SGD0.352
Each (On a Reel of 2500)
units
Audio 1 Channel Mono Speaker 1.75 W, 3W Class D Surface Mount 2.8 → 6 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 921-0773
Mfr. Part No.PAM8302AASCR
SGD0.762
Each (In a Pack of 20)
units
Audio 1 Channel Mono Speaker 1.3 W, 2W Class D Surface Mount 2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 790-2975
Mfr. Part No.PAM8403DR
SGD1.061
Each (In a Pack of 10)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.2W Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 Differential - -
RS Stock No. 169-7173
Mfr. Part No.PAM8007NHR
SGD0.595
Each (On a Reel of 2500)
units
Audio 2 Channel Stereo Speaker 1.75 W, 3.1W Class D Surface Mount 2.5 → 5.5 V Single 1 SSOP 24 - - -
RS Stock No. 206-0053
Mfr. Part No.PAM8904EJER
SGD0.843
Each (On a Reel of 3000)
units
Audio - - - Class B Surface Mount 1.5 → 5.5 V - 1 UQFN 16 - - -
RS Stock No. 122-3381
Mfr. Part No.PAM8320RDR
SGD1.20
Each (On a Reel of 2500)
units
Audio 1 Channel Mono - 10 W, 20W Class A-B, Class D Surface Mount 4.5 → 15 V Single 1 SOIC 16 Single Ended Single Ended -
RS Stock No. 790-2978
Mfr. Part No.PAM8406ER
SGD1.48
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.1W Class A-B, Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 - Differential -
RS Stock No. 206-0055
Mfr. Part No.PAM8904EJER
SGD1.00
Each (In a Pack of 25)
units
Audio - - - Class B Surface Mount 1.5 → 5.5 V - 1 UQFN 16 - - -
RS Stock No. 122-1499
Mfr. Part No.PAM8403DR
SGD0.488
Each (On a Reel of 2500)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.2W Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 Differential - -
RS Stock No. 921-0760
Mfr. Part No.PAM8013AKR
SGD0.462
Each (In a Pack of 20)
units
Audio 1 Channel Mono Speaker 1.75 W, 3W Class D Surface Mount 2.8 → 5.5 V Single 1 UFLGA 9 Differential Differential -
RS Stock No. 790-2969
Mfr. Part No.PAM8007NHR
SGD1.592
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Speaker 1.75 W, 3.1W Class D Surface Mount 2.5 → 5.5 V Single 1 SSOP 24 - - -
RS Stock No. 790-2962
Mfr. Part No.PAM8008DR
SGD1.39
Each (On a Tape of 5)
units
Audio 2 Channel Stereo Speaker 1.4 W, 2.4W Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 - - -