TS4956

www.DataSheet4U.com TS4956 Stereo audio amplifier system with I2C bus interface ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 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 16Ω 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 RIN PGH TS4956 - Flip-Chip18 Pin connections (top view) GND MLO LHP- RHP+ VCC SDA LIN BYPASS 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 16Ω 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. The overall gain and the different output modes of the TS4956 are controlled digitally by the control registers which are programmed via the I²C interface. It has also an internal thermal shutdown protection mechanism. VCC MIN SRP+ SRN- I2CVCC MIP GND SCL Applications ■ ■ ■ ■ Mobile phones (cellular / cordless) PDAs Laptop ...