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. 891-2765
Mfr. Part No.TB2931HQ(O)
BrandToshiba
PHP376.38
Each
units
Audio Power Amplifier - Automotive 49W - Through Hole - - 4 HZIP 25 - - -
RS Stock No. 829-1529
Mfr. Part No.TDA7391LV
PHP226.895
Each (In a Pack of 2)
units
Bridge Amplifier - Automotive 26W Class A-B Through Hole 6 → 18 V Single - MULTIWATT V 11 Differential Differential -
RS Stock No. 168-8080
Mfr. Part No.TDA7391LV
PHP192.423
Each (In a Tube of 25)
units
Bridge Amplifier - Automotive 26W Class A-B Through Hole 6 → 18 V Single - MULTIWATT V 11 Differential Differential -
RS Stock No. 534-2961
Mfr. Part No.LM3886TF/NOPB
PHP456.56
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. 100-5938
Mfr. Part No.LM3886TF/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. 189-1172
Mfr. Part No.TDA7294V
PHP365.69
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
RS Stock No. 713-9228
Mfr. Part No.NJM2761V-TE1
PHP43.242
Each (In a Pack of 5)
units
Audio Volume Control - Speaker - - Surface Mount - - - SSOP 14 - - -
RS Stock No. 920-8919
Mfr. Part No.TDA7294V
PHP138.915
Each (In a Tube of 25)
units
Audio Power Amplifier 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
RS Stock No. 535-042
Mfr. Part No.NJM2761V
PHP52.752
Each (In a Pack of 5)
units
Audio Volume Control - - - - Surface Mount - - - SSOP 14 - - -
RS Stock No. 169-8112
Mfr. Part No.NJM2761V
PHP43.909
Each (On a Reel of 2000)
units
Audio Volume Control - - - - Surface Mount - - - SSOP 14 - - -
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. 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. 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. 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. 100-5935
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. 686-7408
Mfr. Part No.STA540
PHP118.57
Each
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Speaker 34 W, 38W Class A-B Through Hole 9 V, 12 V, 15 V, 18 V Single - MULTIWATT V 15 Single Ended Differential, Single Ended -
RS Stock No. 168-6412
Mfr. Part No.STA540
PHP100.328
Each (In a Tube of 25)
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Speaker 34 W, 38W Class A-B Through Hole 9 V, 12 V, 15 V, 18 V Single - MULTIWATT V 15 Single Ended Differential, Single Ended -
RS Stock No. 740-5897
Mfr. Part No.NJU8754V-TE1
PHP93.64
Each
units
Audio 1 Channel Mono Speaker - Class D Surface Mount - Dual - SSOP 10 Single Ended Differential -
RS Stock No. 165-5322
Mfr. Part No.TDA7498LTR
PHP180.075
Each (On a Reel of 1000)
units
Audio Power Amplifier Open Drain Speaker 70 W, 80W Class D Surface Mount 14 → 36 V Single 2 PowerSSO 36 Differential, Single Ended Differential 400kHz