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. 285-8069
Mfr. Part No.OPA2134PA
PHP262.28
Each
units
Operational Amplifier - Audio Equipment - - Through Hole - Dual 2 PDIP 8 Differential Differential 8MHz
RS Stock No. 121-8511
Mfr. Part No.OPA2134PA
PHP221.75
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 162-7861
Mfr. Part No.TPA3116D2DAD
PHP138.597
Each (In a Tube of 46)
units
Audio 1 Channel Mono, 2 Channel Stereo Audio Equipment 50W Class D Surface Mount 4.5 → 26 V Single 2 HTSSOP 32 Differential, Single Ended Differential -
RS Stock No. 812-4224
Mfr. Part No.TPA3116D2DAD
PHP163.13
Each
units
Audio 1 Channel Mono, 2 Channel Stereo Audio Equipment 50W Class D Surface Mount 4.5 → 26 V Single 2 HTSSOP 32 Differential, Single Ended Differential -
RS Stock No. 100-5935
Mfr. Part No.LM386N-3/NOPB
PHP61.226
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. 124-4528
Mfr. Part No.LM386N-3/NOPB
PHP61.226
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. 100-5937
Mfr. Part No.LM3886T/NOPB
PHP335.969
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
PHP371.47
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. 102-5752
Mfr. Part No.LM386M-1/NOPB
PHP63.798
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. 536-1366
Mfr. Part No.LM386M-1/NOPB
PHP60.29
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 -
RS Stock No. 812-4218
Mfr. Part No.TPA3110D2PWP
PHP102.90
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Audio Equipment 15W Class D Surface Mount 8 → 26 V Single 2 HTSSOP 28 Differential Differential -
RS Stock No. 145-1303
Mfr. Part No.TPA3110D2PWP
PHP110.641
Each (In a Tube of 50)
units
Audio 2 Channel Stereo Audio Equipment 15W Class D Surface Mount 8 → 26 V Single 2 HTSSOP 28 Differential Differential -
RS Stock No. 121-8676
Mfr. Part No.TPA6111A2D
PHP54.091
Each (In a Tube of 75)
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. 517-3030
Mfr. Part No.TPA6111A2D
PHP62.51
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. 812-4230
Mfr. Part No.TPA3125D2N
PHP216.09
Each (In a Pack of 5)
units
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 -
RS Stock No. 121-9381
Mfr. Part No.TPA3125D2N
PHP194.481
Each (In a Tube of 20)
units
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 -
RS Stock No. 162-8347
Mfr. Part No.TAS5630BPHD
PHP811.767
Each (In a Tray of 90)
units
Audio 1 Channel Mono / 2 Channel Stereo / 4 Channel Mono Speaker 300W Class D Surface Mount 25 → 52.5 V Single 4 HTQFP 64 Single Differential -
RS Stock No. 923-3631
Mfr. Part No.TPA3123D2PWP
PHP272.685
Each (In a Tube of 60)
units
Audio 2 Channel Stereo Speaker 10 W, 20W Class D Surface Mount 12 V, 15 V, 18 V, 24 V, 28 V Single - HTSSOP 24 Single Ended Differential -
RS Stock No. 162-5317
Mfr. Part No.TPA2012D2RTJT
PHP58.476
Each (On a Reel of 250)
units
Audio 2 Channel Stereo Speaker 1.4 W, 2.1W Class D Surface Mount 3 V, 5 V Single - QFN 20 Differential Differential -
RS Stock No. 535-8736
Mfr. Part No.LM1875T/NOPB
PHP207.344
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