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. 168-8931
Mfr. Part No.TS4962IQT
PHP30.991
Each (On a Reel of 3000)
units
Audio Monolithic Automotive 1.7 W, 2.8W Class D Surface Mount 2.4 → 5.5 V Single 1 DFN 8 Differential, Single Ended Differential 360kHz
RS Stock No. 100-5942
Mfr. Part No.LM4861M/NOPB
PHP78.952
Each (In a Tube of 95)
units
Audio Power Amplifier 1 Channel Mono Speaker 1.1W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Differential -
RS Stock No. 802-3672
Mfr. Part No.SSM3302ACPZ
PHP327.46
Each (In a Pack of 2)
units
Audio 2 Channel Stereo - 8W, 10 W Class D Surface Mount 7 → 18 V Single 2 LFCSP WQ 40 Differential Differential -
RS Stock No. 534-3374
Mfr. Part No.LM4861M/NOPB
PHP80.78
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 1.1W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Differential -
RS Stock No. 100-3801
Mfr. Part No.OPA2134UA
PHP285.166
Each (In a Tube of 75)
units
Operational Amplifier - Audio Equipment - - Surface Mount - Dual 2 SOIC 8 Differential Differential 8MHz
RS Stock No. 426-168
Mfr. Part No.TDA7265
PHP241.07
Each
units
Audio 2 Channel Stereo Speaker 25W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Ended Single Ended -
RS Stock No. 145-0805
Mfr. Part No.TPA122D
PHP71.515
Each (In a Tube of 75)
units
Audio 2 Channel Stereo Headphone 0.15W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Single Ended -
RS Stock No. 534-2911
Mfr. Part No.LM386N-4/NOPB
PHP67.91
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. 165-8447
Mfr. Part No.PAM8407DR
PHP19.69
Each (On a Reel of 2500)
units
Audio 2 Channel Stereo Speaker 1.4 W, 2.4W Class D Surface Mount 2.5 → 6 V Single 2 SOIC 16 Differential Differential -
RS Stock No. 534-3403
Mfr. Part No.LM4880M/NOPB
PHP100.94
Each
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. 820-9413
Mfr. Part No.SSM2518CPZ
PHP271.14
Each (In a Pack of 2)
units
Audio Power Amplifier 2 Channel Stereo - 1.4 W, 2W Class D Surface Mount 1.62 → 3.6 V Single 2 LFCSP 20 Single Ended Differential -
RS Stock No. 534-3318
Mfr. Part No.LM4766T/NOPB
PHP335.45
Each
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. 178-1389
Mfr. Part No.TDA7265
PHP180.59
Each (In a Tube of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 812-4236
Mfr. Part No.TPA3122D2N
PHP178.93
Each (In a Pack of 5)
units
Audio 1 Channel Mono, 2 Channel Stereo Television 10 W, 15W Class D Through Hole 10 → 30 V Single 2 PDIP 20 Single Ended Differential, Single Ended -
RS Stock No. 920-6229
Mfr. Part No.TDA2822D
PHP72.03
Each (In a Tube of 100)
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. 121-9383
Mfr. Part No.TPA3122D2N
PHP212.31
Each (In a Tube of 20)
units
Audio 1 Channel Mono, 2 Channel Stereo Television 10 W, 15W Class D Through Hole 10 → 30 V Single 2 PDIP 20 Single Ended Differential, Single Ended -
RS Stock No. 795-7183
Mfr. Part No.TDA7491P13TR
PHP152.29
Each (In a Pack of 2)
units
Audio - - 20W Class A-B, Class D Surface Mount 5 → 18 V Single 2 PowerSSO 36 Single - -
RS Stock No. 535-9470
Mfr. Part No.LM384N/NOPB
PHP113.19
Each (In a Pack of 5)
units
Audio Power Amplifier 1 Channel Mono Speaker 5.5W Class A-B Through Hole 15 V, 18 V, 24 V Single - MDIP 14 Single Ended Single Ended -
RS Stock No. 122-1498
Mfr. Part No.PAM8303CBSC
PHP14.70
Each (On a Reel of 2500)
units
Operational Amplifier 1 Channel Mono - 1.8 W, 3W Class D Surface Mount 2.8 → 5.5 V Single 1 MSOP 8 Differential - -
RS Stock No. 163-2161
Mfr. Part No.LA74309FA-BH
PHP53.846
Each (On a Reel of 4000)
units
Audio 2 Channel Mono Microphone - - Surface Mount 4 V Single 1 MSOP 10 - - -