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Description

The TS4994 is an audio power amplifier capable of delivering 1W of continuous RMS output power into an 8? load @ 5V. Thanks to its differential inputs, it exhibits outstanding noise immunity.

An external standby mode control reduces the supply current to less than 10nA. A STBY MODE pin allows the standby pin to be active HIGH or LOW (except in the MiniSO8 version). An internal thermal shutdown protection is also provided, making the device capable of sustaining short circuits.

■ Differential inputs

■ Near zero pop & click

■ 100dB PSRR @ 217Hz with grounded inputs

■ Operating from VCC = 2.5V to 5.5V

■ 1W RAIL to RAIL output power @ Vcc=5V, THD=1, F=1kHz, with 8? load

■ 90dB CMRR @ 217Hz

■ Ultra-low consumption in standby mode (10nA)

■ Selectable standby mode (active low or active high

■ Ultra fast startup time: 15ms typ.

■ Available in DFN10 3x3, 0.5mm pitch & MiniSO8

■ All lead-free packages

Applications

■ Mobile phones (cellular / cordless)

■ Laptop / notebook computers

■ PDAs

■ Portable audio devices