DESCRIPTION

· The STHVDAC-303 is a high voltage DAC designed for BST tunable capacitances control.

· It features 3 independent high voltage outputs for parallel capacitance control.

· Controlled via a 3-wire serial interface, it optimizes RF tunable applications in mobile phones.

FEATURES

· Dedicated ASIC for BST tunable capacitances control.

· Compliant with cellular systems requirements.

· Integrated boost converter with 3 programmable outputs (0 to 30 V).

· Low power consumption and 3-wire serial interface (30 or 32 bit SPI).

· Available in WLCSP for stand-alone or SiP module integration.

APPLICATIONS

· Cellular antenna tunable matching network in multi-band GSM/WCDMA mobile phones.

· Compatible with open loop antenna tuner applications.