| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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13,000 pcs
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13000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The BR281W31A101V1G is an audio signal processor from On Semiconductor, part of the BelaSigna R281 family. It is designed as an always-listening voice trigger solution for consumer electronic devices. The device features an I²C interface for configuration and control.
Key electrical specifications include a supply voltage range of 1.75V to 1.98V on VBAT and 1.62V to 3.63V on VDDO. Average power consumption is less than 300 µW (excluding microphone). The internal oscillator operates from 1 MHz to 20 MHz. ESD protection is rated at 2000 V HBM.
The device is available in a 31-UFBGA, WLCSP package (2.77mm x 2.45mm) with surface mount mounting. Operating temperature range is -40°C to 85°C. The package is Pb-free and RoHS3 compliant (unverified). MSL level is 1 (unlimited).
Typical applications include mobile phones, tablets, portable electronic devices, wearables, and toys. The device requires an external I²C host controller for operation.
The VBAT supply voltage range is 1.75V to 1.98V, and the VDDO supply voltage range is 1.62V to 3.63V.
It is available in a 31-UFBGA, WLCSP package with dimensions 2.77mm x 2.45mm (31-WLCSP).
-40°C to 85°C (TA).
Yes, it is listed as RoHS3 compliant (unverified) and Pb-free package.
I²C interface for device configuration and control.
Average power consumption is less than 300 µW (not including microphone).
Voice trigger solution for mobile phones, tablets, portable devices, wearables, and toys.