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Products in the audio amplifier integrated circuit (IC) family are designed specifically for replicating signal-level audio content at increased power levels sufficient to drive headphones, speakers, or similar transducers. Features such as mute inputs, volume controls, and anti-transient (depop) functions distinguish them from general purpose amplifiers. Audio amplifier classes of all types are included such as devices based on Class A, Class D, Class G topologies and others, as well as devices that integrate additional functionality such as analog-to-digital conversion in addition to the amplification function.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() LM4990ITLX/NOPB $0.94 | Texas Instruments | IC AMP CLASS AB MONO 2W 9DSBGA | Tape & Reel (TR),Cut Tape (CT) | 9-DSBGA (1.6x1.6) | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4990LD $0.27 | National Semiconductor | AUDIO AMPLIFIER, 2W, 1 CHANNEL(S | Bulk | 10-WSON (3x4) | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4990LD/NOPB $1.29 | Texas Instruments | IC AMP CLASS AB MONO 2W 10WSON | Tape & Reel (TR),Cut Tape (CT) | 10-WSON (3x4) | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4990LDX/NOPB $0.45 | Texas Instruments | IC AMP CLASS AB MONO 2W 10WSON | Tape & Reel (TR) | 10-WSON (3x4) | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4990MH/NOPB $0.65 | Texas Instruments | IC AMP CLASS AB MONO 2W 10MSOP | Tape & Reel (TR),Cut Tape (CT) | 10-HVSSOP | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4990MM/NOPB $1.11 | Texas Instruments | IC AMP CLASS AB MONO 2W 8VSSOP | Tape & Reel (TR),Cut Tape (CT) | 8-VSSOP | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4990MMX/NOPB $0.65 | Texas Instruments | IC AMP CLASS AB MONO 2W 8VSSOP | Tape & Reel (TR),Cut Tape (CT) | 8-VSSOP | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |
![]() LM4991LD/NOPB $1.37 | Texas Instruments | IC AMP CLASS AB MONO 3W 8WSON | Tape & Reel (TR),Cut Tape (CT) | 8-WSON (4x4) | Surface Mount | Boomer® | -40°C ~ 85°C (TA) |