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. 920-6229
Mfr. Part No.TDA2822D
HK$12.579
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. 162-5323
Mfr. Part No.TPA6211A1DGN
HK$7.36
Each (In a Tube of 80)
units
Audio 1 Channel Mono Speaker 1.7 W, 3.1W Class A-B Surface Mount 3 V, 5 V Single - MSOP 8 Differential Differential -
RS Stock No. 812-4220
Mfr. Part No.TPA3113D2PWP
HK$18.238
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Audio Equipment 6W Class D Surface Mount 8 → 26 V Single 2 HTSSOP 28 Differential Differential, Single Ended -
RS Stock No. 802-3672
Mfr. Part No.SSM3302ACPZ
HK$58.54
Each (In a Pack of 2)
units
Audio 2 Channel Stereo - 8W, 10 W Class D Surface Mount 7 → 18 V Single 2 LFCSP WQ 40 Differential Differential -
RS Stock No. 426-168
Mfr. Part No.TDA7265
HK$39.49
Each
units
Audio 2 Channel Stereo Speaker 25W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Ended Single Ended -
RS Stock No. 165-8454
Mfr. Part No.PAM8904JER
HK$4.477
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. 686-7402
Mfr. Part No.TDA7266
HK$33.78
Each
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. 170-2310
Mfr. Part No.IRS20957STRPBF
BrandInfineon
HK$14.70
Each (On a Reel of 2500)
units
Audio Monolithic - 500W Class D Surface Mount - Single 1 SOIC 16 Single Single -
RS Stock No. 165-5322
Mfr. Part No.TDA7498LTR
HK$31.448
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
RS Stock No. 189-9036
Mfr. Part No.MAX9768BETG+
HK$24.35
Each (In a Pack of 5)
units
Audio 1 Channel Mono - 10W Class D Surface Mount 4.5 → 14 V Single - TQFN 24 Single - 1.8MHz
RS Stock No. 186-9449
Mfr. Part No.NE592D14G
HK$9.618
Each (In a Pack of 10)
units
Audio - - - - Surface Mount - Dual 1 SOIC 14 Differential Differential 120MHz
RS Stock No. 190-4719
Mfr. Part No.MAX9768BETG+T
HK$13.172
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. 814-3947
Mfr. Part No.TAS5112ADCA
HK$112.76
Each
units
Digital Amplifier 2 Channel Stereo - 40 W, 50W - Surface Mount 3 → 3.6 V Single 2 HTSSOP 56 Single Differential -
RS Stock No. 660-6310
Mfr. Part No.TPA711D
HK$11.498
Each (In a Pack of 5)
units
Audio 1 Channel Mono, 2 Channel Stereo Headphone, Speaker 0.08 W, 0.7W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Single Ended Differential, Single Ended 1.4MHz
RS Stock No. 189-9072
Mfr. Part No.MAX9768ETG+
HK$23.606
Each (In a Pack of 5)
units
Audio 1 Channel Mono Speaker 10W Class D Surface Mount 4.5 → 14 V Single 1 TQFN 24 - - 1.8MHz
RS Stock No. 191-5153
Mfr. Part No.MAX9730ETI+
HK$28.486
Each (In a Pack of 5)
units
Audio - - 2.4W Class G Surface Mount 2.7 → 5.5 V Single 1 TQFN 28 Differential Differential -
RS Stock No. 168-8806
Mfr. Part No.A21SP16J
HK$2.215
Each (On a Reel of 5000)
units
Audio Differential - 1.75 W, 3W Class D Surface Mount 2.4 → 5.5 V Single 1 Flip-Chip 9 Differential Differential -
RS Stock No. 759-2073
Mfr. Part No.SSM2211SZ-REEL
HK$12.40
Each (In a Pack of 5)
units
Audio Power Amplifier 1 Channel Mono - 1 W, 1.5W - Surface Mount 2.7 → 5.5 V Single 1 SOIC 8 Single Ended Differential 4MHz
RS Stock No. 169-8201
Mfr. Part No.NJM2113E
HK$5.805
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 -
RS Stock No. 713-9026
Mfr. Part No.NJM2149R-TE1
HK$6.742
Each (In a Pack of 5)
units
Audio 1 Channel Mono Speaker 0.25W Class A-B Surface Mount 3 V, 5 V Single - VSP 8 Differential Differential -