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PDF NJU8711 Data sheet ( Hoja de datos )
| Número de pieza | NJU8711 | |
| Descripción | PWM/PDM / SSOP10 | |
| Fabricantes | JRC | |
| Logotipo |  |
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NJU8711
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
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
MCK
VDD
BEEP
EN2
1
2
3
4
5
10
9
8
7
6
OUT2
IN2
VSS
IN1
OUT1
BLOCK DIAGRAM
VDD VSS
IN1
BEEP
BPZ Output
IN2
Output Control
MCK EN1 EN2
BPZ Output
OUT1
OUT2
Ver.2004-06-02
-1-
1 page  
www.DataSheet4U.com
NJU38575151
TIMING CHARACTERISTICS
• Audio Signal Input
tMCKH
tMCKL
MCK
tMCKI
IN1, IN2
PARAMETER
MCK Frequency
MCK Pulse Width (H)
MCK Pulse Width (L)
IN1,IN2 Setup Time
IN1,IN2 Hold Time
tDS
SYMBOL
fMCKI
tMCKH
tMCKL
tDS
tDH
tDH
(Ta=25°C, VDD=3.0V, VSS=0.0V, unless otherwise noted)
CONDITIONS
MIN.
TYP.
MAX. UNIT
8 - 25 MHz
12 -
- ns
12 -
- ns
20 -
- ns
20 -
- ns
Note 5) tMCKI shows the cycle of the MCK signal.
• Output Control Signal Input
EN1,EN2
PARAMETER
Rise Time
Fall Time
tUP
SYMBOL
tUP
tDN
tDN
(Ta=25°C, VDD=3.0V, VSS=0.0V, unless otherwise noted)
CONDITIONS
MIN.
TYP.
MAX. UNIT
- - 100 ns
- - 100 ns
Note 6) All timings are based on 30% and 70% voltage level of VDD.
Ver.2004-06-02
-5-
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet NJU8711.PDF ] | |
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