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. 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. 169-8158
Mfr. Part No.NJM2783V-TE1
HK$5.295
Each (On a Reel of 2000)
units
Audio 1 Channel Mono Microphone - Class A-B Surface Mount 9 V Single - SSOP 14 Single Ended Single Ended -
RS Stock No. 534-3368
Mfr. Part No.LM4860M/NOPB
HK$17.07
Each
units
Audio Power Amplifier 1 Channel Mono Speaker 1.1W Class A-B Surface Mount 3 V, 5 V Single - SOIC 16 Single Ended Differential -
RS Stock No. 920-8919
Mfr. Part No.TDA7294V
HK$24.255
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. 775-2941
Mfr. Part No.SA575DTBG
HK$36.63
Each
units
Compander - - - - Surface Mount - - 2 TSSOP 20 - - -
RS Stock No. 812-4233
Mfr. Part No.TPA3118D2DAP
HK$30.10
Each
units
Audio 1 Channel Mono, 2 Channel Stereo Audio Equipment 30W Class D Surface Mount 4.5 → 26 V Single 2 HTSSOP 32 Differential, Single Ended 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. 190-5730
Mfr. Part No.MAX97220AETE+T
HK$12.658
Each (In a Pack of 10)
units
Audio Line Drivers Stereo Headphone 125 (Typ.)mW - Surface Mount 2.5 → 5.5 V Single 1 TDFN-EP 16 Differential Differential 1kHz
RS Stock No. 121-9382
Mfr. Part No.TPA3118D2DAP
HK$25.61
Each (In a Tube of 46)
units
Audio 1 Channel Mono, 2 Channel Stereo Audio Equipment 30W Class D Surface Mount 4.5 → 26 V Single 2 HTSSOP 32 Differential, Single Ended Differential -
RS Stock No. 162-4743
Mfr. Part No.LM4766T/NOPB
HK$53.015
Each (In a Tube of 20)
units
Audio Power Amplifier 2 Channel Stereo Speaker 40W Class A-B Through Hole 18 V Dual, Single - TO-220 15 Differential Single Ended 8MHz
RS Stock No. 799-2896
Mfr. Part No.MAX4063ETE+
HK$13.84
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Microphone - - Surface Mount 2.4 → 5.5 V Single 2 TQFN 16 Differential Differential 600kHz
RS Stock No. 427-042
Mfr. Part No.SSM2211SZ
HK$13.042
Each (In a Pack of 5)
units
Power Amplifier 1 Channel Mono Speaker 1 W, 1.5W Class A-B Surface Mount 3 V, 5 V Single - SOIC 8 Differential Differential 4MHz
RS Stock No. 921-5309
Mfr. Part No.OPA1602AID
HK$24.979
Each (In a Bag of 75)
units
Operational Amplifier - Audio Equipment - - Surface Mount - Dual 2 SOIC 8 Differential Differential 35MHz
RS Stock No. 145-3861
Mfr. Part No.NCS2211MNTXG
HK$2.31
Each (On a Reel of 3000)
units
Audio Differential - 1 W, 1.5W Class A-B Surface Mount 2.7 → 5.5 V Single 2 DFN 8 Differential Differential 12MHz
RS Stock No. 190-5796
Mfr. Part No.MAX98307ETE+T
HK$15.634
Each (In a Pack of 5)
units
Audio - Speaker 3.3 (Typ.)W - Surface Mount 2.6 → 5.25 V Single 1 TDFN-EP 16 Differential Differential 20kHz
RS Stock No. 189-9300
Mfr. Part No.MAX9703ETJ+
HK$28.036
Each (In a Pack of 5)
units
Audio 1 Channel Mono Automotive 10 W, 15W Class D Surface Mount 10 → 25 V Single - TQFN 32 Single Differential -
RS Stock No. 660-6281
Mfr. Part No.TPA6112A2DGQ
HK$23.626
Each (In a Pack of 5)
units
Audio 2 Channel Stereo Headphone 0.09 W, 0.15W Class A-B Surface Mount 3 V, 5 V Single - HTSSOP 10 Differential Single Ended -
RS Stock No. 790-2950
Mfr. Part No.PAM8006ATR
HK$17.43
Each (In a Pack of 2)
units
Audio 2 Channel Stereo Speaker 15W Class D Surface Mount 8 → 18 V Single 2 QFN 5 Differential Differential -
RS Stock No. 189-7280
Mfr. Part No.MAX9759ETE+
HK$15.799
Each (In a Tube of 75)
units
Audio 1 Channel Mono - 1.8 W, 3.2W Class D Surface Mount 3 → 5.5 V Single 1 TQFN 16 Differential Differential 22kHz
RS Stock No. 145-5840
Mfr. Part No.RC4560ID
HK$4.419
Each (In a Tube of 75)
units
Operational Amplifier - - - - Surface Mount - Dual 2 SOIC 8 - - 15MHz