NJU8713 Datasheet, PDF (1/8 Pages) New Japan Radio – 2V Operation Switching Driver for Class D Amplifier

NJU8713
2V Operation Switching Driver for Class D Amplifier
GENERAL DESCRIPTION
The NJU8713 is a Switching Driver for a class D
Amplifier including Separated Power Source terminals
between Input and Output, BEEP and BPZ (Bipolar Zero)
output circuits. It converts 1bit digital signal input, such
as PWM or PDM signal, to an analog signal output through
a simple external LC low-pass filter.
The NJU8713 realizes very high power-efficiency
because of the class D operation. Therefore, it is suitable
for portable audio set and others.
PACKAGE OUTLINE
NJU8713V
FEATURES
2-channel 1bit Audio Signal Input
Standby(Hi-Z), BPZ Control
Internal BPZ Charger
Beep Function
Operating Voltage
: 1.7V to 2.7V
Driving Voltage
CMOS Technology
: 1.7V to V_DD
Package Outline
: SSOP14
PIN CONFIGURATION
MCK
1
14
V_SS
2
13
IN₁
3
12
EN₁
4
11
V_SSO
5
10
OUT₁
6
9
V_DDO
7
8
BEEP
V_DD
IN₂
EN₂
V_SSO
OUT₂
V_DDO
BLOCK DIAGRAM
V_DD V_SS
IN₁
BEEP
BPZ Output
IN₂
Output Control
MCK EN1 EN₂
BPZ Output
V_DDO V_SSO
OUT₁
OUT₂
Ver.2004-06-02
-1-