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. 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. 121-9381
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. 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. 122-1500
Mfr. Part No.PAM8406ER
PHP22.533
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 1 SOP 16 - Differential -
RS Stock No. 165-8454
Mfr. Part No.PAM8904JER
PHP29.797
Each (On a Reel of 3000)
units
Audio 1 Channel Mono Speaker - - Surface Mount 2.3 → 5.5 V Single 1 UQFN 16 Differential, Single Ended Differential, Single Ended -
RS Stock No. 660-6244
Mfr. Part No.TPA152D
PHP132.922
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Headphone 0.07W Class A-B Surface Mount 5 V Single - SOIC 8 Single Ended Single Ended -
RS Stock No. 162-9569
Mfr. Part No.NCS2211DR2G
PHP13.325
Each (On a Reel of 2500)
units
Audio Differential - 1 W, 1.5W Class A-B Surface Mount 2.7 → 5.5 V Single 2 SOIC 8 Differential Differential 12MHz
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. 660-6178
Mfr. Part No.TPA2012D2RTJT
PHP90.53
Each
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. 790-2978
Mfr. Part No.PAM8406ER
PHP47.848
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.1W Class A-B, Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 - 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. 122-1499
Mfr. Part No.PAM8403DR
PHP17.912
Each (On a Reel of 2500)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.2W Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 Differential - -
RS Stock No. 790-2975
Mfr. Part No.PAM8403DR
PHP35.144
Each (In a Pack of 10)
units
Audio 2 Channel Stereo Speaker 1.8 W, 3.2W Class D Surface Mount 2.5 → 5.5 V Single 1 SOP 16 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. 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. 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. 814-3934
Mfr. Part No.TAS2505IRGET
PHP97.24
Each (On a Tape of 5)
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. 313-7739
Mfr. Part No.NJM2113D
PHP43.732
Each (In a Pack of 5)
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. 660-6272
Mfr. Part No.TPA3123D2PWP
PHP369.89
Each
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. 921-0786
Mfr. Part No.PAM8904JER
PHP35.144
Each (In a Pack of 10)
units
Audio 1 Channel Mono Speaker - - Surface Mount 2.3 → 5.5 V Single 1 UQFN 16 Differential, Single Ended Differential, Single Ended -