NJU72501 Series
Piezo-sounder Driver with Multi-mode charge pump
NJU72501 Series
Piezo-sounder Driver with Multi-mode charge pump
Download Datasheet
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Description
The NJU72501 is a switching driver with multi mode charge pumpfor piezo-sounder. It can drive outputs up to 18Vpp from 3V supply.For adjusting the piezoelectric sounder sound volume, the chargepump can operate in either of a 1x, 2x or 3x mode.Because NJU72501 has the shutdown function, it is suitable forthe battery application.
Applications
- Healthcare
- Wrist Watches
- Alarm Clocks
- Handheld GPS devices
- PDAs
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Spec
Consumer Supply Voltage 2.3V to 5V Channel BTL 1ch. Input Signal PWM/PDM Output Voltage / Vom Typ. 18Vpp Output Voltage / V+ 3V Output Voltage / CL 15nF Stand-by Yes Mute Yes Operating Current Consumption current ((Active) IDS=0.3mA typ. (VIN=3V, DIN=4kHz, CPIEZO=15nF, 1x Mode) Wide Operating Temperature -40°C to 85°C Junction Temp. 125°C Package EQFN12-JE,EQFN16-G2,SSOP14 Features Built in Charge Pump
Adjust Output VoltageNote 1 Multi-Mode Charge Pump (1x/2x/3x) Note 2 Consumption current ((Shutdown) IDS=1µA max. (VIN=3V , DIN=0V)) Protections / Functions
Stand-by Mute Fine Tune Sensitivity 
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Technical
Documents -
Quality &
Packages- Refer to the datasheets for the details on the product.
- The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
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Sample / Buy
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Buy Online
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Buy, Request for Samples, Request for Information Materials
Authorized Distributors
Please contact your local distributors for any sales-related inquiry such as price, stock, delivery, etc.
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