NJU72501 - Piezo-sounder Driver

New Japan Radio

NJU72501 Datasheet Preview — Preview of NJU72501 PDF

Datasheet Details

Part number	NJU72501
Manufacturer	New Japan Radio
File Size	258.13 KB
Description	Piezo-sounder Driver
Datasheet	NJU72501-NewJapanRadio.pdf

NJU72501 Product details

Description

The NJU72501 is a switching driver with multi mode charge pump for piezo-sounder.It can drive outputs up to 18Vpp from 3V supply.For adjusting the piezoelectric sounder sound volume, the charge pump can operate in either of a 1x, 2x or 3x mode.Because NJU72501 has the shutdown function, it is suitable for the battery application.

Features

Operating Voltage : 2.3 to 5.0V(1x/ 2x Mode), 2.3 to 3.4V(3x Mode).
Consumption current (Active) : IDS=0.3mA typ. (VIN=3V, DIN=4kHz, CPIEZO=15nF, 1x Mode) (Shutdown): IDS=1uA max. (VIN=3V , DIN=0V).
Multi-Mode Charge Pump (1x/2x/3x).
Input Signal Detector & Shutdown Control.
Output Short-circuit Protection Circuit.
C-MOS Technology.
Package Outline : EQFN12-JE, EQFN16-G2.
Direct replacement to MAS6240.
BLOCK.

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Published: Mar 8, 2017 |