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. 919-6462
Mfr. Part No.TDA7297
MYR15.236
Each (In a Tube of 25)
units
Bridge Amplifier 2 Channel Stereo Speaker 15W Class A-B, Class D Through Hole 9 V, 12 V, 15 V Single - MULTIWATT V 15 Single Ended Differential -
RS Stock No. 102-5686
Mfr. Part No.LM1875T/NOPB
MYR13.398
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. 285-8053
Mfr. Part No.OPA134PA
MYR15.06
Each
units
Operational Amplifier - - - - Through Hole - Dual 1 PDIP 8 - - 8MHz
RS Stock No. 162-5315
Mfr. Part No.TPA2006D1DRBT
MYR3.12
Each (On a Reel of 250)
units
Audio 1 Channel Mono Speaker 1.45W Class D Surface Mount 3 V, 5 V Single - SON 8 Differential Differential -
RS Stock No. 660-6162
Mfr. Part No.TPA2006D1DRBT
MYR5.04
Each (In a Pack of 5)
units
Audio 1 Channel Mono Speaker 1.45W Class D Surface Mount 3 V, 5 V Single - SON 8 Differential Differential -
RS Stock No. 534-2911
Mfr. Part No.LM386N-4/NOPB
MYR5.78
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. 795-6874
Mfr. Part No.TS4990IST
MYR2.772
Each (In a Pack of 10)
units
Audio 1 Channel Mono - 1.2W Class A-B, Class D Surface Mount 2.2 → 5.5 V Single 1 MSOP 8 Differential Differential 1.5MHz
RS Stock No. 121-8510
Mfr. Part No.OPA134PA
MYR10.234
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 100-5936
Mfr. Part No.LM386N-4/NOPB
MYR5.208
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. 165-6566
Mfr. Part No.TS4990IST
MYR1.675
Each (On a Reel of 4000)
units
Audio 1 Channel Mono - 1.2W Class A-B Surface Mount 2.2 → 5.5 V Single 1 MSOP 8 Differential Differential 1.5MHz
RS Stock No. 218-579
Mfr. Part No.TDA7850
MYR35.43
Each
units
Bridge Amplifier 2 Channel Stereo Speaker 30W Class A-B Through Hole - Single - FLEXIWATT 25 Single Ended Differential -
RS Stock No. 168-6411
Mfr. Part No.TDA7266
MYR14.007
Each (In a Tube of 25)
units
Bridge Amplifier 2 Channel Stereo Speaker 7W Class A-B Through Hole 11 V Single - MULTIWATT V 15 Single Ended Differential -
RS Stock No. 660-6301
Mfr. Part No.TPA6211A1DGN
MYR4.09
Each (In a Pack of 5)
units
Audio 1 Channel Mono Speaker 1.7 W, 3.1W Class A-B Surface Mount 3 V, 5 V Single - MSOP 8 Differential Differential -
RS Stock No. 660-6235
Mfr. Part No.TPA1517NE
MYR18.26
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Speaker 6W Class A-B Through Hole 12 V, 15 V Single - PDIP 20 Single Ended Single Ended -
RS Stock No. 686-7402
Mfr. Part No.TDA7266
MYR16.46
Each
units
Bridge Amplifier 2 Channel Stereo Speaker 7W Class A-B Through Hole 11 V Single - MULTIWATT V 15 Single Ended Differential -
RS Stock No. 920-6541
Mfr. Part No.TDA7850
MYR31.962
Each (In a Tube of 17)
units
Bridge Amplifier 2 Channel Stereo Speaker 30W Class A-B Through Hole - Single - FLEXIWATT 25 Single Ended Differential -
RS Stock No. 102-5752
Mfr. Part No.LM386M-1/NOPB
MYR4.96
Each (In a Tube of 95)
units
Audio Power Amplifier 1 Channel Mono Speaker 0.32W Class A-B Surface Mount 5 V, 9 V Single - SOIC 8 Single Ended Single Ended -
RS Stock No. 877-2677
Mfr. Part No.E-TDA7375V
MYR21.68
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. 517-3030
Mfr. Part No.TPA6111A2D
MYR4.83
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Headphone 0.09 W, 0.15W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Single Ended -
RS Stock No. 536-1366
Mfr. Part No.LM386M-1/NOPB
MYR5.14
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 0.32W Class A-B Surface Mount 5 V, 9 V Single - SOIC 8 Single Ended Single Ended -