DA7281 driver equivalent, lra/erm haptic driver.
* LRA or ERM drive capability
* Up to four I2C addresses via two address pins
* Automatic LRA resonant frequency tracking
* Wideband LRA support
* .
VDDIO
VDD
* Smartphones, wearables, and hearables
* Computer peripherals
* Gaming
* Automotive and in.
DA7281 is a linear resonant actuator (LRA) and eccentric rotating mass (ERM) haptic driver offering automatic closed-loop LRA resonant frequency tracking. The feature guarantees consistency across LRA production tolerances, operating temperature, agi.
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