STW4820BU4_HF| Datasheet

STW4820BU4_HF, STW4820BU4T_HF, STw4820

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STw4820
Mixed-signal multimedia and power management IC
Data Brief

Features

Power management for platform 3 programmable step-down converters 6 programmable LDOs Audio Dual high-quality stereo codecs DAC: dynamic range and SNR > 100 dB Two TDM 4-channel interfaces (configurable in I2S and PCM) AB class headset capless stereo amplifier D class loudspeaker stereo amplifier (2 x 1 W) USB 2.O OTG interface High-speed (480 Mb/s) OTG transceiver ULPI interface VBUS peripheral supply up to 100 mA TVout CVBS output PAL, NTSC TV standards supported General-purpose analog digital converter 4- and 5-wire touch screen interface Main and back-up battery monitoring Accessory detection Clock management 32 kHz oscillator with RTC System clock oscillator (38.4 MHz, 26 MHz, 19.2 MHz supported) Miscellaneous ON/OFF key driver Temperature shutdown Lead-free and halogen-free package

VFBGA 8 mm x 8 mm x 1.0 mm, 0.4mm pitch

Applications
NomadikTM STn88xx multimedia processor Smartphones, portable media player

Description
STw4820 is a highly integrated mixed signal multimedia and power management IC that enables complete integration of all analog functions needed in high-end mobile phones or portable multimedia applications. With its highly efficient set of regulators, STw4820 optimizes overall power consumption of multimedia processor and its peripherals. The high fidelity and versatile embedded audio codec offers best-in-class audio quality and extensive uses cases. The high-speed USB transceiver makes PC synchronization faster than ever. Integrated OTG supply enables data transfer towards other peripherals.

February 2008

Rev 1

1/6
www.st.com
6

For further information contact your local STMicroelectronics sales office.