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. 426-168
Mfr. Part No.TDA7265
$7.85
Each
units
Audio 2 Channel Stereo Speaker 25W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Ended Single Ended -
RS Stock No. 877-2677
Mfr. Part No.E-TDA7375V
$8.13
Each (In a Pack of 5)
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Automotive 35W Class A-B Through Hole 8 → 18 V Single 4 MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 168-8861
Mfr. Part No.E-TDA7375V
$6.913
Each (In a Tube of 25)
units
Audio Power Amplifier 2 Channel Stereo, 4 Channel Stereo Automotive 35W Class A-B Through Hole 8 → 18 V Single 4 MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 178-1389
Mfr. Part No.TDA7265
$5.785
Each (In a Tube of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 165-5322
Mfr. Part No.TDA7498LTR
$6.80
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. 880-5493
Mfr. Part No.TDA7498LTR
$11.224
Each (In a Pack of 5)
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. 919-6563
Mfr. Part No.TDA7293V
$8.597
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. 218-478
Mfr. Part No.TDA7293V
$10.16
Each
units
Audio 1 Channel Mono Speaker 100W Class A-B Through Hole - Dual - MULTIWATT V 15 Single Ended Single Ended -
RS Stock No. 189-1172
Mfr. Part No.TDA7294V
$11.52
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
$4.364
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. 110-7093
Mfr. Part No.TDA7266M
$3.428
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. 168-5872
Mfr. Part No.TDA7266M
$2.921
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. 795-7183
Mfr. Part No.TDA7491P13TR
$4.78
Each (In a Pack of 2)
units
Audio - - 20W Class A-B, Class D Surface Mount 5 → 18 V Single 2 PowerSSO 36 Single - -
RS Stock No. 168-5730
Mfr. Part No.TDA7264
$5.346
Each (In a Tube of 25)
units
Audio Power Amplifier 2 Channel Stereo Speaker 25W Class A-B Through Hole - Dual - MULTIWATT V 8 Single Ended Single Ended -
RS Stock No. 218-484
Mfr. Part No.TDA7264
$7.60
Each
units
Audio Power Amplifier 2 Channel Stereo Speaker 25W Class A-B Through Hole - Dual - MULTIWATT V 8 Single Ended Single Ended -
RS Stock No. 168-7169
Mfr. Part No.TDA7491P13TR
$2.819
Each (On a Reel of 1000)
units
Audio - - 20W Class D Surface Mount 5 → 18 V Single 2 PowerSSO 36 Single - -
RS Stock No. 795-7164
Mfr. Part No.TDA7266D
$8.63
Each (In a Pack of 2)
units
Bridge Amplifier - Audio Equipment 7W Class A-B, Class D Surface Mount 3.5 → 12 V Single 2 PowerSO 20 Single - -
RS Stock No. 795-9233
Mfr. Part No.TDA7269A
$4.655
Each (In a Pack of 2)
units
Audio Single Ended Speaker, Television 14W Class A-B Through Hole - Dual - MULTIWATT V 11 Single Single Ended -
RS Stock No. 190-4926
Mfr. Part No.E-TDA7391PDTR
$3.045
Each (On a Reel of 600)
units
Bridge Amplifier - - 32 (Typ.)W Class A-B Surface Mount 8 → 18 V Single 1 PowerSO 20 Differential Single Ended -
RS Stock No. 189-2095
Mfr. Part No.TS4871IDT
$1.406
Each (In a Pack of 25)
units
Audio Power Amplifier Rail to Rail - 1W Class A Surface Mount 2.5 → 5.5 V Single - SO 8 Differential - 2MHz