BD3852MUZ-Z datasheet(3/17 Pages) ROHM

Teilenummer	BD3852MUZ-Z

Bauteilbeschribung	Shock Sensor (Impact Sensor) IC

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Hersteller	ROHM [Rohm]

Direct Link	http://www.rohm.com

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TSZ02201-0E3E0FZ00890-1-2

11.Mar.2020 Rev.001

www.rohm.com

TSZ22111 • 15 • 001

BD3852MUZ-Z

Block Diagram

Description of Blocks

OP-AMP1: Detects the charge signal generated in the shock sensor by the charge amplifier configuration.

Filter: Amplifies by 13.9 dB with the preamplifier, and attenuates the fO component of the shock sensor resonance frequency

(Typ: 31 kHz) with the notch filter.

OP-AMP2: Serves as the amplifier for the signal amplification and the filter. (The gain is configurable using add-on R and C.)

VREF: Generates the REF1 and REF2 output voltages.

PS: Switches between the power saving and power ON states according to the EN pin input voltage.

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