Supplied in 0.4 mm pitch, 0.6 mm high chip-scale package, STHVDAC-304MF3 has 4-channel output for adjusting up to 4 tunable BST capacitors in antenna-matching circuits of multi-band GSM/WCDMA/3G-LTE smartphones. Product comprises high-voltage DAC for generating capacitor-tuning voltages from 2–20 V and is controlled via RF Front End (RFFE)-compliant, 1.8 V interface. Standard features include trigger- mode for time critical application, and shutdown mode to help extend battery life.
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