NJU8711
PRELIMINARY
3V Operation Switching Driver for Class D Amplifier
!
GENERAL DESCRIPTION
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.
!
PACKAGE OUTLINE
NJU8711V
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FEATURES
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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
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PIN CONFIGURATION
EN
1
MCK
V
DD
BEEP
EN
2
1
2
3
4
5
10
9
8
7
6
OUT
2
IN
2
V
SS
IN
1
OUT
1
!
BLOCK DIAGRAM
V
DD
V
SS
BPZ Output
IN
1
OUT
1
BEEP
IN
2
Output Control
BPZ Output
OUT
2
MCK
EN
1
EN
2
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