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NJU8752 Datasheet دیتاشیت PDF دانلود

دیتاشیت - JRC - Analog

شماره قطعه NJU8752
شرح مفصل Analog
تولید کننده JRC 
آرم JRC 


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NJU8752 شرح
NJU8N7J5U23/5525B5
www.DataSheet4U.com
PRELIMINARY
Analog Signal Input Class D Amplifier for Piezo Speaker
! GENERAL DESCRIPTION
The NJU8752/NJU8752B is an analog signal input
monaural class D amplifier for Piezo speaker. The
NJU8752/52B includes Inversion operational amplifier
input circuit, PWM modulator, an output-short protector
and a low voltage detector. Input part operates on
3.3V(TYP) as power supply and Output part operates
up to 16.0V(MAX). Therefore, it drives Piezo speaker
with louder sound and High efficiency.
The NJU8752/52B incorporates BTL amplifier, which
eliminate AC coupling capacitors, capable of driving
Piezo speaker with simple external LC low-pass filters.
Class D operation achieves lower power operation for
Piezo speaker, thus the NJU8752/52B is suited for
battery powered applications.
! PACKAGE OUTLINE
NJU8752V / 52BV
NJU8752BKM1
! FEATURES
# Piezo Speaker Driving
# 1-channel Analog Signal Input, 1-channel BTL Output
# Standby(Hi-Z), Mute Control
# Voltage Gain
31dB(NJU8752)
20dB(NJU8752B)
# Built-in Low Voltage Detector
# Built-in Short Protector
# Operating Voltage Input: 2.7 ~ 3.6V (NJU8752)
3.1 ~ 3.6V (NJU8752B)
Output: 6.0 ~ 16.0V
# C-MOS Technology
# Package Outline
SSOP14 (NJU8752 / 52B)
QFN20 / QFN28 (NJU8752B)
NJU8752BKP4
! PIN CONFIGURATION
VDD
IN
TEST 1
MUTEB
VSS
OUTP
VDDO
1
2
3
4
5
6
7
14 VSS
13 COM
12 TEST 2
11 STBYB
10 VSS
9 OUTN
8 VDDO
SSOP14 (NJU8752V / 52BV)
20
1
IN
TEST 1
MUTEB
VSS
OUTP
COM
TEST 2
STBYB
VSS
OUTN
28
1
IN
TEST 1
MUTEB
NC
VSS
NC
OUTP
COM
NC
TEST 2
STBYB
VSS
NC
OUTN
QFN28 (NJU8752BKP4)
Ver.2004-08-05
QFN20 (NJU8752BKM1)
-1-

قانون اساسیصفحه 7
دانلود [ NJU8752 دیتاشیت ]



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