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. 820-9413
Mfr. Part No.SSM2518CPZ
HK$49.58
Each (In a Pack of 2)
units
Audio Power Amplifier 2 Channel Stereo - 1.4 W, 2W Class D Surface Mount 1.62 → 3.6 V Single 2 LFCSP 20 Single Ended Differential -
RS Stock No. 412-393
Mfr. Part No.SSM2019BNZ
HK$48.07
Each
units
Audio 1 Channel Mono Microphone - Class A-B Through Hole - Dual - PDIP 8 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. 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. 183-2379
Mfr. Part No.SSM2305RMZ-REEL7
HK$7.652
Each (On a Reel of 1000)
units
Audio 1 Channel Mono - 2.8W Class D Surface Mount 5.5 V Single 1 MSOP 8 Differential Differential 20kHz
RS Stock No. 183-2677
Mfr. Part No.SSM2305RMZ-REEL7
HK$13.04
Each (In a Pack of 10)
units
Audio 1 Channel Mono - 2.8W Class D Surface Mount 5.5 V Single 1 MSOP 8 Differential Differential 20kHz
New
RS Stock No. 216-8655
Mfr. Part No.SSM2167-1RMZ-R7
HK$14.312
Each (On a Reel of 1000)
units
Microphone Amplifier 1 Channel Mono - - Class A-B Surface Mount 6 V - 1 MSOP 10 - - -
RS Stock No. 427-014
Mfr. Part No.SSM2135SZ
HK$65.81
Each
units
Operational Amplifier 2 Channel Stereo - - - Surface Mount 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V Dual, Single 2 SOIC 8 - - 3.5MHz
RS Stock No. 538-6589
Mfr. Part No.SSM2019BRNZ
HK$50.30
Each
units
Audio 1 Channel Mono Microphone - Class A-B Surface Mount - Dual - SOIC 8 Differential Single Ended -
RS Stock No. 708-9744
Mfr. Part No.ADAU1592ACPZ
HK$71.70
Each
units
Audio 2 Channel Stereo Speaker 12 W, 24W Class D Surface Mount - Single - LFCSP 48 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. 912-6429
Mfr. Part No.SSM2305RMZ-R2
HK$11.371
Each (On a Reel of 250)
units
Audio 1 Channel Mono Speaker 1.6 W, 2.8W Class D Surface Mount 3 V, 5 V Single - MSOP 8 Differential Differential -
RS Stock No. 877-9300
Mfr. Part No.SSM2306CPZ-R2
HK$19.084
Each (In a Pack of 5)
units
Class-D 2 Channel Stereo Speaker 1.4 W, 2W - Surface Mount 2.5 → 5 V Single 2 LFCSP VQ 16 Differential Differential -
RS Stock No. 497-0010
Mfr. Part No.SSM2019BRWZ
HK$48.07
Each
units
Audio 1 Channel Mono Microphone - Class A-B Surface Mount - Dual - SOIC W 16 Differential Single Ended -
New
RS Stock No. 216-8656
Mfr. Part No.SSM2167-1RMZ-R7
HK$23.796
Each (In a Pack of 5)
units
Microphone Amplifier 1 Channel Mono - - Class A-B Surface Mount 6 V - 1 MSOP 10 - - -
RS Stock No. 697-8013
Mfr. Part No.SSM2305RMZ-R2
HK$19.21
Each (In a Pack of 5)
units
Audio 1 Channel Mono Speaker 1.6 W, 2.8W Class D Surface Mount 3 V, 5 V Single - MSOP 8 Differential Differential -