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. 168-6412
Mfr. Part No.STA540
£3.16
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. 921-0773
Mfr. Part No.PAM8302AASCR
£0.382
Each (In a Pack of 20)
Units
Audio 1 Channel Mono Speaker 1.3 W, 2W Class D Surface Mount 2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 168-5872
Mfr. Part No.TDA7266M
£1.35
Each (In a Tube of 25)
Units
Bridge Amplifier Monolithic - 7W - Through Hole 11 V Single - MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 686-7408
Mfr. Part No.STA540
£3.63
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. 920-6229
Mfr. Part No.TDA2822D
£0.517
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. 921-0789
Mfr. Part No.PAM8406DR
£0.21
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. 146-0952
Mfr. Part No.PAM8406DR
£0.206
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 -
RS Stock No. 313-7739
Mfr. Part No.NJM2113D
£0.77
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. 169-8129
Mfr. Part No.NJM2113D
£0.588
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. 398-451
Mfr. Part No.TS34119CS RLG
£0.37
Each (In a Pack of 50)
Units
Audio Power Amplifier 1 Channel Mono Speaker 0.25W Class A-B Surface Mount 3 V, 5 V, 9 V, 12 V, 15 V Single - SOP 8 Single Ended Differential 1.5MHz
RS Stock No. 169-8937
Mfr. Part No.TS34119CS RLG
£0.166
Each (On a Reel of 2500)
Units
Audio Power Amplifier 1 Channel Mono Speaker 0.25W Class A-B Surface Mount 3 V, 5 V, 9 V, 12 V, 15 V Single - SOP 8 Single Ended Differential 1.5MHz
RS Stock No. 828-7630
Mfr. Part No.PAM8320RDR
£1.25
Each (In a Pack of 5)
Units
Audio 1 Channel Mono Speaker 10 W, 20W Class D Surface Mount 4.5 → 15 V Single 1 SOIC 16 Single Ended Single Ended -
RS Stock No. 619-9875
Mfr. Part No.OPA1632D
£2.86
Each
Units
Audio 1 Channel Mono Audio Equipment - - Surface Mount - Dual 1 SOIC 8 Differential Differential 180MHz
RS Stock No. 102-5581
Mfr. Part No.OPA1632D
£2.428
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. 122-3381
Mfr. Part No.PAM8320RDR
£0.599
Each (On a Reel of 2500)
Units
Audio 1 Channel Mono - 10 W, 20W Class A-B, Class D Surface Mount 4.5 → 15 V Single 1 SOIC 16 Single Ended Single Ended -
RS Stock No. 806-0899
Mfr. Part No.NCP2890DMR2G
£0.426
Each (On a Tape of 25)
Units
Power Amplifier - - 1W - Surface Mount 2.2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 168-6411
Mfr. Part No.TDA7266
£2.458
Each (In a Tube of 25)
Units
Bridge Amplifier 2 Channel Stereo Speaker 7W Class A-B Through Hole 11 V Single - MULTIWATT V 15 Single Ended Differential -
RS Stock No. 163-0662
Mfr. Part No.NCP2890DMR2G
£0.186
Each (On a Reel of 4000)
Units
Power Amplifier - - 1W - Surface Mount 2.2 → 5.5 V Single 1 MSOP 8 Differential Differential -
RS Stock No. 218-462
Mfr. Part No.TDA7295
£2.98
Each
Units
Audio 1 Channel Mono Speaker 80W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
RS Stock No. 168-5729
Mfr. Part No.TDA7295
£2.468
Each (In a Tube of 25)
Units
Audio 1 Channel Mono Speaker 80W Class A-B Through Hole - Dual - MULTIWATT V 15 Differential Single Ended -
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