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STHVDAC-253MTG

Part Number	STHVDAC-253MTG
Manufacturer	STMicroelectronics
Description	Antenna tuning circuit
Published	Mar 22, 2016
Detailed Description	STHVDAC-253MTG Antenna tuning circuit with turbo and glide /HDGIUHH)OLS&KLS EXPSV Features  Dedicated contro...
Datasheet	STHVDAC-253MTG PDF File

Overview

STHVDAC-253MTG Antenna tuning circuit with turbo and glide /HDGIUHH)OLS&KLS EXPSV Features  Dedicated controller to bias BST tunable capacitors  Operation compliant with cellular systems requirements  Turbo and glide modes for optimal system performance  Integrated boost converter with 3 programmable outputs (from 0 to 24 V)  Low power consumption  MIPI RFFE serial interface 1,8 V  Available in WLCSP for stand-alone or SiP module integration Applications  Cellular antenna tunable matching network in multi-band GSM/WCDMA/LTE handsets  Compatible for open loop antenna tuner application Benefits RF tunable passive implementation in mobile phones to optimize the radiated performance.
Datasheet - production data Description The ST high voltage BST capacitor controller STHVDAC-253MTG is a high voltage digital to analog converter (DAC), specifically designed to control and meet the wide tuning bias voltage requirement of the BST tunable capacitors.
It provides 3 independent high voltage outputs, thus having the capability to control 3 different capacitors.
It is fully controlled through an RFFE serial interface.
BST capacitors are tunable capacitors intended for use in mobile phone application, and dedicated to RF tunable application.
These tunable capacitors are controlled through a bias voltage ranging from 0 to 24 V.
The implementation of BST tunable capacitor in mobile phones enables significant improvement in term of radiated performance, making the performance almost insensitive to external environment.
Figure 1.
Pin configuration (top view) $ $ $ $ % % % % & & & & ' ' ' ' November 2015 This is information on a product in full production.
DocID027917 Rev 4 1/28 www.
st.
com Electrical characteristics 1 Electrical characteristics STHVDAC-253MTG Table 1.
Absolute maximum ratings (limiting value) Symbol Parameter Rating AVDD Analog supply voltage VI/O Digital supply voltage VLOG Input voltage logic lines (DATA, CLK, SEL_ID0, ...

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STHVDAC-253MTG Antenna tuning circuit - STMicroelectronics

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