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Description

The TS4956 is a complete audio system device with three dedicated outputs, one stereo headphone, one loudspeaker drive and one mono line for a hands-free set. The stereo headphone is capable of delivering more than 25 mW per channel of continuous average power into 16? single-ended loads with 0.3 THD+N from a 5 V power supply. The device functions are controlled via an I2C bus, which minimizes the number of external components needed.

■ Operating from VCC = 2.7 V to 5.5 V

■ I2C bus control interface

■ 38 mW output power @ VCC = 3.3 V, THD = 1, F = 1 kHz, with 16? Load

■ Ultra low consumption in standby mode: 0.5 μA

■ Digital volume control range from +12 dB to -34 dB

■ 32-step digital volume control

■ Stereo loudspeaker option by I2C

■ 8 different output mode selections

■ Pop & click reduction circuitry

■ Flip-chip package, 18 bumps with 300 μm diameter

■ Lead-free flip chip package

■ Output power limitation on headphone for eardrum damage consideration

Applications

■ Mobile phones (cellular / cordless)

■ PDAs

■ Laptop / notebook computers

■ Portable audio devices