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. 218-579
Mfr. Part No.TDA7850
PHP421.20
Each
units
Bridge Amplifier 2 Channel Stereo Speaker 30W Class A-B Through Hole - Single - FLEXIWATT 25 Single Ended Differential -
RS Stock No. 759-2073
Mfr. Part No.SSM2211SZ-REEL
PHP71.226
Each (In a Pack of 5)
units
Audio Power Amplifier 1 Channel Mono - 1 W, 1.5W - Surface Mount 2.7 → 5.5 V Single 1 SOIC 8 Single Ended Differential 4MHz
RS Stock No. 427-042
Mfr. Part No.SSM2211SZ
PHP72.934
Each (In a Pack of 5)
units
Power Amplifier 1 Channel Mono Speaker 1 W, 1.5W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Differential Differential 4MHz
RS Stock No. 920-6541
Mfr. Part No.TDA7850
PHP375.585
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. 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. 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. 168-7756
Mfr. Part No.TDA7269A
PHP123.994
Each (In a Tube of 25)
units
Audio Single Ended Speaker, Television 14W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Single Ended -
RS Stock No. 218-478
Mfr. Part No.TDA7293V
PHP195.61
Each
units
Audio 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Single Ended Single Ended -
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. 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. 168-6413
Mfr. Part No.TDA7496
PHP99.813
Each (In a Tube of 25)
units
Audio 2 Channel Stereo Speaker 5W Class A-B Through Hole 12 V, 15 V, 18 V, 24 V, 28 V Single - MULTIWATT V 15 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. 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. 921-0789
Mfr. Part No.PAM8406DR
PHP33.548
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. 686-7418
Mfr. Part No.TDA7496
PHP117.305
Each (In a Pack of 2)
units
Audio 2 Channel Stereo Speaker 5W Class A-B Through Hole 12 V, 15 V, 18 V, 24 V, 28 V Single - MULTIWATT V 15 Single Ended Single Ended -
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. 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. 919-6563
Mfr. Part No.TDA7293V
PHP150.748
Each (In a Tube of 25)
units
Audio 1 Channel Mono Speaker 100W Class A-B, Class D Through Hole - Dual - MULTIWATT V 15 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. 146-0952
Mfr. Part No.PAM8406DR
PHP17.912
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 -