Description

At 3.3v, the TS4973 is an Audio Power Amplifier capable of delivering 500mW of continuous RMS output power into a 8Ω bridged-tied loads with 1 THD+N, and 150mWof continuous average power into 32Ω. An external standby mode control reduces the supply current to less than 10nA. An internal over-temperature shutdown protection is provided.

■ Operating from VCC = 2.8V to 5.5V

■ RAIL TO RAIL Input/Output

■ 1.2W output power @ Vcc=5V, THD=1,

F=1kHz, with 8Ω load

■ Ultra low consumption in standby mode

(10nA)

■ 53dB PSRR @ 217Hz from 2.8 to 5V

■ Low distortion (0.5)

■ Gain settings pin: GS

■ Unity gain stable

■ Available in lead free flip-chip 9 x 300µm

bumps

Applications

■ Mobile phones (cellular / cordless)

■ PDAs

■ Laptop/Notebook computers

■ Portable audio devices