TS4855| Datasheet

TS4855, TS4855EIJT

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TS4855
LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
s s s s s s s s s s
OPERATING FROM VCC = 3.0 V to 5.0 V SPEAKER: Mono, THD+N @ 1 kHz is 1% Max @ 1 W into 8 BTL HEADSET: Stereo, THD+N @ 1 kHz is 0.5% Max. @ 85 mW into 32 BTL VOLUME CONTROL: 32-step digital volume control OUTPUT MODE: Eight different selections Ultra low pop-and-click Low Shutdown Current (0.1 uA, typ.) Thermal Shutdown Protection FLIP-CHIP Package 18 X 300 um Bumps TS4855E IJT Lead-Free option available
TS4855IJT - Flip Chip

PIN CONNECTIONS (top view)

DESCRIPTION
The TS4855 is a complete low power audio amplifier solution targeted at mobile phones. It integrates, into an extremely compact flip-chip package, an audio amplifier, a speaker driver, and a headset driver. The Audio Power Amplifier can deliver 1.1 W (typ.) of continuous RMS output power into an 8 speaker with a 1% THD+N value. To the headset driver, the amplifier can deliver 85 mW (typ.) per channel of continuous average power into stereo 32 bridged-tied load with 0.5% THD+N @ 5 V. This device features a 32-step digital volume control and 8 different output selections. The digital volume and output modes are controlled through a three-digit SPI interface bus.
Pin Out (top view)

APPLICATIONS
Mobile Phones

ORDER CODE
Part Number TS4855IJT TS4855EIJT Temperature Range -40, +85 C -40, +85 C Package J

1/27

J = Flip Chip Package - only available in Tape & Reel (JT))

March 2004