LM4852  Product Folder

The LM4852 is an audio power amplifier system capable of delivering 1.1W (typ) of continuous average power into a mono 8 bridged-tied load (BTL) with 1% THD+N and 60mW (typ) per channel of continuous average power into stereo 32 single-ended (SE) loads with 0.5% THD+N, using a 5V power supply.

The LM4852 features a 32 step digital volume control and eight distinct output modes. The digital volume control and output modes are programmed through a two-wire I²C compatible control interface, that allows flexibility in routing and mixing audio channels. The LM4852 has 3 channels: one pair for a two-channel stereo signal and the third for a single-channel mono input.

The LM4852 is designed for cellular phone, PDA, and other portable handheld applications. It delivers high quality output power from a surface-mount package and requires only seven external components.

The industry leading micro SMD package only utilizes 2mm x 2.3mm of PCB space, making the LM4852 the most space efficient audio sub system available today.

• 1.1W (typ) output power with 8 mono BTL load
• 60mW (typ) output power with stereo 32 SE loads
• I²C programmable 32 step digital volume control (-40.5dB to +6dB)
• Eight distinct output modes
• micro-SMD and LLP surface mount packaging
• "Click and Pop" suppression circuitry
• Thermal shutdown protection
• Low shutdown current (0.1uA, typ)

• Moblie Phones
• PDAs