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NJU8761 - Analog Signal Input Monaural Class-D Power Amplifier

Description

The NJU8761 is an analog signal input monaural class-D amplifier for Piezo speaker.

The NJU8761 incorporates BTL amplifiers, which eliminate AC coupling capacitor.

Features

  • Piezo Speaker Driving Output voltage 6.2 Vrms (Typ. ) @VDDO=10 V, THD+N=10% Analog input, Monaural BTL output Standby(Hi-Z), Mute control Built-in Low Voltage Detector for VDD & VDDO Operating Voltage Input Block: 2.6~3.6V(VDD) Output Block: 8.0~12.0V(VDDO) CMOS Technology Package Outline QFN20-M1 PIN.

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Datasheet Details

Part number NJU8761
Manufacturer JRC
File Size 140.25 KB
Description Analog Signal Input Monaural Class-D Power Amplifier
Datasheet download datasheet NJU8761 Datasheet
Additional preview pages of the NJU8761 datasheet.

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Full PDF Text Transcription

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NJU8761 www.DataSheet4U.com PRELIMINARY Analog Signal Input Monaural Class-D Power Amplifier for Piezo Speaker GENERAL DESCRIPTION The NJU8761 is an analog signal input monaural class-D amplifier for Piezo speaker. The NJU8761 incorporates BTL amplifiers, which eliminate AC coupling capacitor. The input block operates on 2.6V(Min.) as power supply and the output block operates up to 12V, therefore it can output close to 17.5VP-P amplified signal and drive Piezo speaker with louder sound and high efficiency. Class-D operation achieves lower power operation for Piezo speaker, thus the NJU8761 is suited for battery-powered applications such as cellular phone and PDA. PACKAGE OUTLINE NJU8761KM1 FEATURES Piezo Speaker Driving Output voltage 6.2 Vrms (Typ.
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