NJU8711 Просмотр технического описания (PDF) - Japan Radio Corporation
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NJU8711 Datasheet PDF : 7 Pages
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NJU8711
PRELIMINARY
3V Operation Switching Driver for Class D Amplifier
! GENERAL DESCRIPTION
! PACKAGE OUTLINE
The NJU8711 is a Switching Driver for class D Amplifier
including BEEP and BPZ (Bipolar Zero) output circuits. It
converts 1bit digital signal input, such as PWM or PDM
signal, to analog signal output with simple external LC
low-pass filter.
The NJU8711 realizes very high power-efficiency by
class D operation. Therefore, It is suitable for portable
audio set and others.
NJU8711V
! FEATURES
# 2-channel 1bit Audio Signal Input
# Standby(Hi-Z), BPZ Control
# Internal BPZ Charger
# Beep Function
# Operating Voltage : 2.0V to 3.6V
# CMOS Technology
# Package Outline : SSOP10
! PIN CONFIGURATION
EN1
1
10
MCK
2
9
VDD
3
8
BEEP
4
7
EN2
5
6
OUT2
IN2
VSS
IN1
OUT1
! BLOCK DIAGRAM
VDD VSS
IN1
BEEP
BPZ Output
IN2
Output Control
MCK EN1 EN2
BPZ Output
OUT1
OUT2
-1-
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