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. 100-3800
Mfr. Part No.OPA134UA
MYR11.755
Each (In a Tube of 75)
units
Operational Amplifier - - - - Surface Mount - Dual 1 SOIC 8 - - 8MHz
RS Stock No. 285-8227
Mfr. Part No.OPA134UA
MYR13.83
Each
units
Operational Amplifier - - - - Surface Mount - Dual 1 SOIC 8 - - 8MHz
RS Stock No. 922-2993
Mfr. Part No.PGA2311P
MYR38.01
Each (In a Tube of 25)
units
Audio Volume Control - - - Class D, Class G Through Hole - - - PDIP 16 - - -
RS Stock No. 790-2978
Mfr. Part No.PAM8406ER
MYR4.074
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. 162-7861
Mfr. Part No.TPA3116D2DAD
MYR11.533
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. 110-7093
Mfr. Part No.TDA7266M
MYR9.324
Each (In a Pack of 5)
units
Bridge Amplifier Monolithic - 7W - Through Hole 11 V Single - MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 122-1500
Mfr. Part No.PAM8406ER
MYR1.943
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. 145-6828
Mfr. Part No.TPA741DGN
MYR5.89
Each (In a Tube of 80)
units
Audio 1 Channel Mono - 0.35W Class A-B Surface Mount 3.3 V, 5 V Single 1 MSOP 8 Differential Differential 1.4MHz
RS Stock No. 168-7756
Mfr. Part No.TDA7269A
MYR10.552
Each (In a Tube of 25)
units
Audio Single Ended Speaker, Television 14W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Single Ended -
RS Stock No. 169-8129
Mfr. Part No.NJM2113D
MYR3.013
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. 162-8347
Mfr. Part No.TAS5630BPHD
MYR71.02
Each (In a Tray of 90)
units
Audio 1 Channel Mono / 2 Channel Stereo / 4 Channel Mono Speaker 300W Class D Surface Mount 25 → 52.5 V Single 4 HTQFP 64 Single Differential -
RS Stock No. 761-5968
Mfr. Part No.LM4865M/NOPB
MYR10.506
Each (In a Pack of 5)
units
Audio - - 0.75W Class A-B Surface Mount 2.7 → 5.5 V Single 2 SOIC 8 Single Single Ended -
RS Stock No. 700-3551
Mfr. Part No.BH3544F-E2
BrandROHM
MYR4.66
Each
units
Audio 2 Channel Stereo Headphone 0.6W Class A-B Surface Mount 3 V, 5 V Single - SOP 8 Single Ended Single Ended -
RS Stock No. 812-4224
Mfr. Part No.TPA3116D2DAD
MYR12.96
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. 189-7276
Mfr. Part No.MAX9718AEUB+
MYR5.73
Each (In a Tube of 50)
units
Audio 1 Channel Mono - 1.1 W, 1.4W Class A-B Surface Mount 2.7 → 5.5 V Single 1 μMAX 10 Differential, Single Ended Differential 22kHz
RS Stock No. 190-4720
Mfr. Part No.MAX9768ETG+T
MYR11.342
Each (On a Reel of 2500)
units
Audio - Speaker 10 (Typ.)W Class D Surface Mount 4.5 → 14 V Single 1 TDFN-EP 24 Single Ended Single Ended 22kHz
RS Stock No. 713-9231
Mfr. Part No.NJM2783V-TE1
MYR3.812
Each (In a Pack of 5)
units
Audio 1 Channel Mono Microphone - Class A-B Surface Mount 9 V Single - SSOP 14 Single Ended Single Ended -
RS Stock No. 145-6524
Mfr. Part No.TPA4861D
MYR7.651
Each (In a Tube of 75)
units
Audio Power Amplifier 1 Channel Mono Speaker 1W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Differential 1.5MHz
RS Stock No. 462-6038
Mfr. Part No.TPA3001D1PWP
MYR42.62
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 12 W, 20W Class D Surface Mount 9 V, 12 V, 15 V Single - HTSSOP 24 Differential Differential -
RS Stock No. 169-8201
Mfr. Part No.NJM2113E
MYR3.074
Each (In a Tube of 100)
units
Audio 1 Channel Mono Speaker 0.25W Class A-B Surface Mount 3 V, 5 V, 9 V, 12 V, 15 V Single - EMP 8 Differential Differential -