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Description

At 3.3 V, the TS4974 is a dual power audio amplifier capable of delivering 380 mW of continuous RMS output power into a 8 Ω bridged tied loads with 1 THD+N. An external standby mode control reduces the supply current to less than 2 μA. An internal over-temperature shutdown protection is provided.

Features

■ Operates from VCC= 2.5 V to 5.5 V

■ Zero pop & click

■ 1 W output power @ VCC = 5 V, THD = 1, F = 1 kHz, with 8 Ωload

■ Ultra-low consumption in standby mode (2 μA max.)

■ 85 dB PSRR @ 217Hz

■ 16-step digital volume control

■ Two discrete up and down volume control pins

■ Gain range from -33 dB to + 12 dB

■ Integrated debouncing system

■ Ultra-fast start-up time: 15 ms typ.

■ DFN10 3x3 mm (pitch 0.5)

Applications

■ Mobile phones (cellular / cordless)

■ PDAs

■ Laptop/notebook computers

■ Portable audio devices