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. 121-9922
Mfr. Part No.LV49821VH-TLM-H
MYR5.44
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. 145-4719
Mfr. Part No.SA575DTBG
MYR12.92
Each (In a Tube of 75)
units
Compander - - - - Surface Mount - - 2 TSSOP 20 - - -
RS Stock No. 775-2941
Mfr. Part No.SA575DTBG
MYR20.64
Each
units
Compander - - - - Surface Mount - - 2 TSSOP 20 - - -
RS Stock No. 186-9187
Mfr. Part No.NCP2820FCT1G
MYR2.952
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. 163-2161
Mfr. Part No.LA74309FA-BH
MYR4.648
Each (On a Reel of 4000)
units
Audio 2 Channel Mono Microphone - - Surface Mount 4 V Single 1 MSOP 10 - - -
RS Stock No. 186-1246
Mfr. Part No.FAN3852UC16X
MYR1.136
Each (On a Reel of 3000)
units
Microphone Pre-Amplifier - Microphone - - Surface Mount 1.8 V Single 1 WLCSP 6 Single Ended Single Ended 10MHz
RS Stock No. 161-2607
Mfr. Part No.NCP2809BDMR2G
MYR1.344
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. 162-9569
Mfr. Part No.NCS2211DR2G
MYR1.153
Each (On a Reel of 2500)
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. 195-2442
Mfr. Part No.NCA-ONA10IVUCX
MYR6.786
Each (On a Reel of 3000)
units
Audio - - 16W - Surface Mount 1.98 V Single 1 WLCSP 30 Single Differential 20kHz
RS Stock No. 161-2701
Mfr. Part No.NCP2809BDMR2G
MYR2.877
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. 186-9449
Mfr. Part No.NE592D14G
MYR3.601
Each (In a Pack of 10)
units
Audio - - - - Surface Mount - Dual 1 SOIC 14 Differential Differential 120MHz
RS Stock No. 161-2600
Mfr. Part No.NCP2823AFCT2G
MYR1.388
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. 186-8911
Mfr. Part No.NE592D14G
MYR3.601
Each (In a Tube of 55)
units
Audio - - - - Surface Mount - Dual 1 SOIC 14 Differential Differential 120MHz
RS Stock No. 195-2443
Mfr. Part No.NCA-ONA10IVUCX
MYR9.192
Each (In a Pack of 10)
units
Audio - - 16W - Surface Mount 1.98 V Single 1 WLCSP 30 Single Differential 20kHz
RS Stock No. 806-0899
Mfr. Part No.NCP2890DMR2G
MYR2.28
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. 145-3861
Mfr. Part No.NCS2211MNTXG
MYR1.195
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. 463-341
Mfr. Part No.SA571DG
MYR25.29
Each
units
Compander - - - - Surface Mount - - - SOIC 16 - - -
RS Stock No. 787-8819
Mfr. Part No.NCS2211DR2G
MYR2.773
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. 801-0298
Mfr. Part No.LA74309FA-BH
MYR9.586
Each (In a Pack of 5)
units
Audio 2 Channel Mono Microphone - - Surface Mount 4 V Single 1 MSOP 10 - - -
RS Stock No. 186-8902
Mfr. Part No.NCP2820FCT1G
MYR2.884
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 -