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. 169-8129
Mfr. Part No.NJM2113D
PHP33.39
Each (In a Tube of 50)
units
Operational Amplifier 1 Channel Mono Speaker 0.25W Class A-B Through Hole 3 V, 5 V, 9 V, 12 V, 15 V Single - PDIP 8 Differential Differential -
RS Stock No. 162-8344
Mfr. Part No.TAS2505IRGET
PHP57.624
Each (On a Reel of 250)
units
Audio 1 Channel Mono Audio Equipment - Class D Surface Mount 0.3 → 5.5 V Single 1 QFN 24 Single Differential, Single Ended -
RS Stock No. 713-9830
Mfr. Part No.NJM2113E
PHP50.232
Each (In a Pack of 5)
units
Audio 1 Channel Mono Speaker 0.25W Class A-B Surface Mount 3 V, 5 V, 9 V, 12 V, 15 V Single - EMP 8 Differential Differential -
RS Stock No. 102-5686
Mfr. Part No.LM1875T/NOPB
PHP201.60
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. 218-585
Mfr. Part No.TDA7297
PHP210.95
Each
units
Bridge Amplifier 2 Channel Stereo Speaker 15W Class A-B Through Hole 9 V, 12 V, 15 V Single - MULTIWATT V 15 Single Ended Differential -
RS Stock No. 880-5288
Mfr. Part No.E-TDA7396
PHP245.416
Each (In a Pack of 5)
units
Bridge Amplifier CMOS, Rail to Rail, Swing Automotive 27W Class A-B Through Hole 8 → 18 V Single 1 MULTIWATT V 11 Differential, Single Ended Differential 75kHz
RS Stock No. 285-8233
Mfr. Part No.OPA2134UA
PHP250.93
Each
units
Operational Amplifier - Audio Equipment - - Surface Mount - Dual 2 SOIC 8 Differential Differential 8MHz
RS Stock No. 162-4743
Mfr. Part No.LM4766T/NOPB
PHP303.555
Each (In a Tube of 20)
units
Audio Power Amplifier 2 Channel Stereo Speaker 40W Class A-B Through Hole 18 V Dual, Single - TO-220 15 Differential Single Ended 8MHz
RS Stock No. 806-0899
Mfr. Part No.NCP2890DMR2G
PHP30.46
Each (On a Tape of 25)
units
Power Amplifier - - 1W - Surface Mount 2.2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 163-0662
Mfr. Part No.NCP2890DMR2G
PHP13.846
Each (On a Reel of 4000)
units
Power Amplifier - - 1W - Surface Mount 2.2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 740-5929
Mfr. Part No.NJM386D
PHP40.942
Each (In a Pack of 5)
units
Audio Power Amplifier 1 Channel Mono Speaker - Class A-B Through Hole 5 V, 9 V Single - PDIP 8 Differential Single Ended -
RS Stock No. 218-462
Mfr. Part No.TDA7295
PHP201.17
Each
units
Audio 1 Channel Mono Speaker 80W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
RS Stock No. 538-6589
Mfr. Part No.SSM2019BRNZ
PHP281.31
Each
units
Audio 1 Channel Mono Microphone - Class A-B Surface Mount - Dual - SOIC 8 Differential Single Ended -
RS Stock No. 168-7169
Mfr. Part No.TDA7491P13TR
PHP76.146
Each (On a Reel of 1000)
units
Audio - - 20W Class D Surface Mount 5 → 18 V Single 2 PowerSSO 36 Single - -
RS Stock No. 168-8861
Mfr. Part No.E-TDA7375V
PHP219.692
Each (In a Tube of 25)
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Automotive 35W Class A-B Through Hole 8 → 18 V Single 4 MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 100-5943
Mfr. Part No.LM4880M/NOPB
PHP100.842
Each (In a Tube of 95)
units
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 Stock No. 178-1395
Mfr. Part No.E-TDA7396
PHP207.858
Each (In a Tube of 25)
units
Bridge Amplifier CMOS, Rail to Rail, Swing Automotive 27W Class A-B Through Hole 8 → 18 V Single 1 MULTIWATT V 11 Differential, Single Ended Differential 75kHz
RS Stock No. 426-162
Mfr. Part No.TDA2822D
PHP121.422
Each (In a Pack of 5)
units
Audio Power Amplifier 1 Channel Mono, 2 Channel Stereo Headphone, Speaker 0.32 W, 0.38W Class A-B Surface Mount 3 V, 5 V, 9 V, 12 V Single - SOIC 8 Single Ended Differential, Single Ended -
RS Stock No. 877-2677
Mfr. Part No.E-TDA7375V
PHP258.794
Each (In a Pack of 5)
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Automotive 35W Class A-B Through Hole 8 → 18 V Single 4 MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 168-5729
Mfr. Part No.TDA7295
PHP170.30
Each (In a Tube of 25)
units
Audio 1 Channel Mono Speaker 80W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -