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. 121-8511
Mfr. Part No.OPA2134PA
SGD6.699
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 285-8069
Mfr. Part No.OPA2134PA
SGD7.90
Each
units
Operational Amplifier - Audio Equipment - - Through Hole - Dual 2 PDIP 8 Differential Differential 8MHz
RS Stock No. 189-1172
Mfr. Part No.TDA7294V
SGD4.95
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. 920-8919
Mfr. Part No.TDA7294V
SGD4.20
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. 100-5935
Mfr. Part No.LM386N-3/NOPB
SGD1.848
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
SGD1.848
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. 102-5581
Mfr. Part No.OPA1632D
SGD5.492
Each (In a Tube of 75)
units
Audio 1 Channel Mono Audio Equipment - - Surface Mount - Dual 1 SOIC 8 Differential Differential 180MHz
RS Stock No. 102-5686
Mfr. Part No.LM1875T/NOPB
SGD4.756
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. 619-9875
Mfr. Part No.OPA1632D
SGD6.34
Each
units
Audio 1 Channel Mono Audio Equipment - - Surface Mount - Dual 1 SOIC 8 Differential Differential 180MHz
RS Stock No. 535-8736
Mfr. Part No.LM1875T/NOPB
SGD5.608
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
RS Stock No. 218-478
Mfr. Part No.TDA7293V
SGD10.20
Each
units
Audio 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 919-6563
Mfr. Part No.TDA7293V
SGD4.557
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. 923-3631
Mfr. Part No.TPA3123D2PWP
SGD7.86
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. 660-6272
Mfr. Part No.TPA3123D2PWP
SGD9.68
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. 713-9228
Mfr. Part No.NJM2761V-TE1
SGD3.148
Each (In a Pack of 5)
units
Audio Volume Control - Speaker - - Surface Mount - - - SSOP 14 - - -
RS Stock No. 534-2911
Mfr. Part No.LM386N-4/NOPB
SGD2.05
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. 535-042
Mfr. Part No.NJM2761V
SGD1.39
Each (In a Pack of 5)
units
Audio Volume Control - - - - Surface Mount - - - SSOP 14 - - -
RS Stock No. 169-8112
Mfr. Part No.NJM2761V
SGD1.157
Each (On a Reel of 2000)
units
Audio Volume Control - - - - Surface Mount - - - SSOP 14 - - -
RS Stock No. 100-5936
Mfr. Part No.LM386N-4/NOPB
SGD1.848
Each (In a Tube of 40)
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. 130-0850
Mfr. Part No.BH3547F-E2
BrandROHM
SGD0.998
Each (In a Pack of 25)
units
Audio Single Ended Headphone 120mW Class A-B, Class D Surface Mount 5 V Single 2 SOP 8 Single Ended Single Ended -