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PDF NJU8719 Data sheet ( Hoja de datos )
| Número de pieza | NJU8719 | |
| Descripción | PWM/PDM / SSOP10 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJU8719 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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NJU8719
www.DataSheet4U.com
PRELIMINARY
Monaural BTL Output Switching Driver for Class D Amplifier
! GENERAL DESCRIPTION
! PACKAGE OUTLINE
The NJU8719 is a monaural BTL output switching driver
for class D amplifier. It converts 1bit digital signal input,
such as PWM or PDM signal, to analog signal output with
simple external LC low-pass filter.
The NJU8719 realizes very high power-efficiency by
class D operation. Therefore, It is suitable for portable
set with speaker.
NJU8719V
! FEATURES
# 1-channel 1bit Audio Signal Input
# Monaural BTL Output
# Standby(Hi-Z) Control Function
# Operating Voltage : 2.4V to 5.25V
# CMOS Technology
# Package Outline : SSOP10
! PIN CONFIGURATION
VDD
IN
NC
MCK
STBYB
1
2
3
4
5
10 VSS
9 OUTP
8 VDDO
7 OUTN
6 VSS
! BLOCK DIAGRAM
VDD
IN
MCK
VDDO VSS
Dead Time
Generator
STBYB
OUTP
OUTN
VSS
Ver.2004-05-20
-1-
1 page  
www.DataSheet4U.com
! TIMING CHARACTERISTICS
• Audio Signal Input
MCK
NJU38575159
tMCKH
tMCKL
IN
PARAMETER
MCK Frequency
MCK Pulse Width (H)
MCK Pulse Width (L)
IN Setup Time
IN Hold Time
tDS tDH
(Ta=25°C, VDD= VDDO=5.0V, VSS=0V, fS=44.1kHz, unless otherwise noted)
SYMBOL CONDITIONS
MIN.
TYP.
MAX. UNIT
fMCKI
- - 25 MHz
tMCKH
12 -
- ns
tMCKL
12 -
- ns
tDS
20 -
- ns
tDH
20 -
- ns
• Output Control Signal Input
STBYB
0.3VDD
0.7VDD
0.7VDD
0.3VDD
tUP tDN
PARAMETER
Rise Time
(Ta=25°C, VDD= VDDO=5.0V, VSS=0V, fS=44.1kHz, unless otherwise noted)
SYMBOL CONDITIONS
MIN.
TYP.
MAX. UNIT
tUP - - 50 ns
Fall Time
tDN
- - 50 ns
Note 4) All timings are based on 30% and 70% voltage level of VDD.
Ver.2004-05-20
-5-
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet NJU8719.PDF ] | |
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