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New Japan Radio

NJU8759 Datasheet Preview

NJU8759 Datasheet

Analog Signal Input Monaural Filter Less 3.0W Class-D Amplifier

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NJU8759
Analog Signal Input Monaural
Filter Less 3.0W Class-D Amplifier
GENERAL DESCRIPTION
The NJU8759 is an analog signal input monaural filterless
class-D power amplifier. Operating voltage is 1.8V to 5.5V.
The NJU8759 is capable of driving 3W at 5V into 4ohms
without external LC low-pass filters. The NJU8759
incorporates BTL amplifier, which eliminate AC coupling
capacitors. The NJU8759 features high power-efficiency by
class-D operation, and is suited for security equipment,
portable set with speaker, PC, etc.
Package
NJU8759WLC1
FEATURES
Operating Voltage
Output power
+1.8 to +5.5 V(3.6Ω<=RL )
+2.0 to +5.5 V(3.4Ω<=RL<3.6Ω)
3.0 W (5 V, 4 Ω)
No output filters
Built-in Pop noise reduction(Turn on/Turn off)
Built-in Short Protector, Thermal Shut Down Function, Under Voltage Lock Out Function
CMOS Technology
Package Outline
WCSP9(1.45mmX1.45mm)
Block Diagram
UVLO
VDD
INP
VDDO
OSC
TSD
OUTP
INN
STBYB CTRL_LGC
VSS
PWM
VSSO
OUTN
OCP
NJU8759_Ver1.1E
1




New Japan Radio

NJU8759 Datasheet Preview

NJU8759 Datasheet

Analog Signal Input Monaural Filter Less 3.0W Class-D Amplifier

No Preview Available !

NJU8759
PIN DESCRIPTION
Top view
Bottom view
No. SYMBOL
A1 INP
A2 VSS
A3 OUTN
B1 VDD
B2 VDDO
B3 VSSO
C1 INN
C2 STBYB
C3 OUTP
FUNCTION
Positive input
Analog GND
Negative output
Power supply
Output power supply
Power GND
Negative input
Standby control
Positive output
ABSOLUTE MAXIMUM RATINGS (Ta=25 °C)
PARAMETER
SYMBOL
RATING
UNIT
Supply Voltage
Power Dissipation
Thermal Resistance
Input Voltage
Operating Temperature1
(3.6Ω<=RL)
Operating Temperature2
(3.4Ω<=RL<3.6Ω)
Storage Temperature
V+
PD
PD
θja2
θja4
VIMAX
Topr1
Topr2
Tstg
7.0
Mounted on
two-layer board
Mounted on
four-layer board
Mounted on
two-layer board
Mounted on
four-layer board
0 to V+
640*1)
1200*1)
156.6*1)
83.4*1)
-40 to +85
-40 to +80
-40 to +125
V
mW
mW
°C/W
°C/W
V
°C
°C
°C
Load Resistance
>=3.4
Ω
*1) Mounted on 2-layer/ 4-layer board based on EIA/JEDEC. Applying a thermal via hole mounted on 4-layer board.
2
NJU8759_Ver1.1E


Part Number NJU8759
Description Analog Signal Input Monaural Filter Less 3.0W Class-D Amplifier
Maker New Japan Radio
Total Page 5 Pages
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