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. 121-8511
Mfr. Part No.OPA2134PA
$6.111
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 285-8069
Mfr. Part No.OPA2134PA
$8.48
Each
units
Operational Amplifier - Audio Equipment - - Through Hole - Dual 2 PDIP 8 Differential Differential 8MHz
RS Stock No. 426-168
Mfr. Part No.TDA7265
$7.31
Each
units
Audio 2 Channel Stereo Speaker 25W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Ended Single Ended -
RS Stock No. 178-1389
Mfr. Part No.TDA7265
$5.386
Each (In a Tube of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 124-4528
Mfr. Part No.LM386N-3/NOPB
$1.691
Each (In a Pack of 10)
units
Audio Power Amplifier 1 Channel Mono - 0.7W Class A-B, Class D Through Hole 4 → 12 V Single 1 PDIP 8 Differential Single 300kHz
RS Stock No. 100-5935
Mfr. Part No.LM386N-3/NOPB
$1.841
Each (In a Tube of 40)
units
Audio Power Amplifier 1 Channel Mono Speaker 0.7W Class A-B Through Hole 5 V, 9 V Single - MDIP 8 Single Ended Single Ended -
RS Stock No. 920-8919
Mfr. Part No.TDA7294V
$4.064
Each (In a Tube of 25)
units
Audio Power Amplifier 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
RS Stock No. 189-1172
Mfr. Part No.TDA7294V
$10.73
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
RS Stock No. 102-5686
Mfr. Part No.LM1875T/NOPB
$4.851
Each (In a Tube of 45)
units
Audio Power Amplifier 1 Channel Mono Speaker 20W Class A-B Through Hole 18 V, 24 V, 28 V Dual, Single - TO-220 5 Single Ended Single Ended 5.5MHz
RS Stock No. 535-8736
Mfr. Part No.LM1875T/NOPB
$5.114
Each (In a Pack of 5)
units
Audio Power Amplifier 1 Channel Mono Speaker 20W Class A-B Through Hole 18 V, 24 V, 28 V Dual, Single - TO-220 5 Single Ended Single Ended 5.5MHz
RS Stock No. 285-8053
Mfr. Part No.OPA134PA
$5.49
Each
units
Operational Amplifier - - - - Through Hole - Dual 1 PDIP 8 - - 8MHz
RS Stock No. 121-8510
Mfr. Part No.OPA134PA
$4.127
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 100-5936
Mfr. Part No.LM386N-4/NOPB
$1.691
Each (In a Tube of 40)
units
Audio Power Amplifier 1 Channel Mono Speaker 1W Class A-B Through Hole 9 V, 12 V, 15 V Single - MDIP 8 Single Ended Single Ended -
RS Stock No. 100-5937
Mfr. Part No.LM3886T/NOPB
$9.261
Each (In a Tube of 20)
units
Audio Power Amplifier 1 Channel Mono Speaker 38 W, 68W Class A-B Through Hole 18 V Dual, Single - MLPP 11 Differential Single Ended 8MHz
RS Stock No. 534-2955
Mfr. Part No.LM3886T/NOPB
$12.41
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 38 W, 68W Class A-B Through Hole 18 V Dual, Single - MLPP 11 Differential Single Ended 8MHz
RS Stock No. 534-2911
Mfr. Part No.LM386N-4/NOPB
$3.28
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 1W Class A-B Through Hole 9 V, 12 V, 15 V Single - MDIP 8 Single Ended Single Ended -
RS Stock No. 686-7408
Mfr. Part No.STA540
$3.44
Each
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Speaker 34 W, 38W Class A-B Through Hole 9 V, 12 V, 15 V, 18 V Single - MULTIWATT V 15 Single Ended Differential, Single Ended -
RS Stock No. 168-6412
Mfr. Part No.STA540
$3.25
Each (In a Tube of 25)
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Speaker 34 W, 38W Class A-B Through Hole 9 V, 12 V, 15 V, 18 V Single - MULTIWATT V 15 Single Ended Differential, Single Ended -
RS Stock No. 100-3801
Mfr. Part No.OPA2134UA
$6.846
Each (In a Tube of 75)
units
Operational Amplifier - Audio Equipment - - Surface Mount - Dual 2 SOIC 8 Differential Differential 8MHz
RS Stock No. 920-3362
Mfr. Part No.OPA1632DGN
$4.683
Each (In a Tube of 80)
units
Operational Amplifier - - - - Surface Mount - Dual 1 MSOP 8 - - -