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. 195-2443
Mfr. Part No.NCA-ONA10IVUCX
€2.242
Each (In a Pack of 10)
units
Audio - - 16W - Surface Mount 1.98 V Single 1 WLCSP 30 Single Differential 20kHz
RS Stock No. 186-8911
Mfr. Part No.NE592D14G
€0.81
Each (In a Tube of 55)
units
Audio - - - - Surface Mount - Dual 1 SOIC 14 Differential Differential 120MHz
RS Stock No. 161-2607
Mfr. Part No.NCP2809BDMR2G
€0.182
Each (On a Reel of 4000)
units
Power Amplifier 2 Channel Stereo Speaker 135mW Class A-B Surface Mount 2.5 → 5.5 V Single 2 Micro 10 Single Single Ended -
RS Stock No. 145-3861
Mfr. Part No.NCS2211MNTXG
€0.164
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. 775-2941
Mfr. Part No.SA575DTBG
€3.30
Each
units
Compander - - - - Surface Mount - - 2 TSSOP 20 - - -
RS Stock No. 186-1394
Mfr. Part No.FAN3852UC16X
€0.385
Each (In a Pack of 15)
units
Microphone Pre-Amplifier - Microphone - - Surface Mount 1.8 V Single 1 WLCSP 6 Single Ended Single Ended 10MHz
RS Stock No. 806-0899
Mfr. Part No.NCP2890DMR2G
€0.473
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. 161-2600
Mfr. Part No.NCP2823AFCT2G
€0.191
Each (On a Reel of 3000)
units
Audio - - 3W Class D Surface Mount 2.5 → 5.5 V Single 2 WLCSP 9 Single Single Ended -
RS Stock No. 787-8813
Mfr. Part No.NCS2211MNTXG
€0.165
Each (On a Tape of 10)
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. 186-9449
Mfr. Part No.NE592D14G
€0.81
Each (In a Pack of 10)
units
Audio - - - - Surface Mount - Dual 1 SOIC 14 Differential Differential 120MHz
RS Stock No. 186-9187
Mfr. Part No.NCP2820FCT1G
€0.252
Each (In a Pack of 25)
units
Power Amplifier 1 Channel Mono - 2.65W Class D Surface Mount 2.5 → 5.5 V Single 1 CASE 499AL 9 Differential CMOS -
RS Stock No. 121-9922
Mfr. Part No.LV49821VH-TLM-H
€0.348
Each (On a Reel of 2000)
units
Audio 2 Channel Stereo Headphone 1.4W Class A-B Surface Mount 2.7 → 5.5 V Single 2 HSSOP 13 Single Differential -
RS Stock No. 163-2161
Mfr. Part No.LA74309FA-BH
€0.772
Each (On a Reel of 4000)
units
Audio 2 Channel Mono Microphone - - Surface Mount 4 V Single 1 MSOP 10 - - -
RS Stock No. 186-8902
Mfr. Part No.NCP2820FCT1G
€0.245
Each (On a Reel of 3000)
units
Power Amplifier 1 Channel Mono - 2.65W Class D Surface Mount 2.5 → 5.5 V Single 1 CASE 499AL 9 Differential CMOS -
New
RS Stock No. 195-8841
Mfr. Part No.ONA10IVGEVB
€217.03
Each
units
Audio - - - Class D - - - - - - - - -
RS Stock No. 163-0662
Mfr. Part No.NCP2890DMR2G
€0.208
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. 787-8819
Mfr. Part No.NCS2211DR2G
€0.444
Each (In a Pack of 10)
units
Audio Differential - 1 W, 1.5W Class A-B Surface Mount 2.7 → 5.5 V Single 2 SOIC 8 Differential Differential 12MHz
RS Stock No. 161-2701
Mfr. Part No.NCP2809BDMR2G
€0.198
Each (In a Pack of 25)
units
Power Amplifier 2 Channel Stereo Speaker 135mW Class A-B Surface Mount 2.5 → 5.5 V Single 2 Micro 10 Single Single Ended -
RS Stock No. 161-2688
Mfr. Part No.NCP2823AFCT2G
€0.189
Each (In a Pack of 30)
units
Audio - - 3W Class D Surface Mount 2.5 → 5.5 V Single 2 WLCSP 9 Single Single Ended -
RS Stock No. 801-0298
Mfr. Part No.LA74309FA-BH
€1.742
Each (In a Pack of 5)
units
Audio 2 Channel Mono Microphone - - Surface Mount 4 V Single 1 MSOP 10 - - -