Digital Power Amplifier
R2S15102NP
10Wx2ch(SE)/20Wx1ch(BTL) Digital Audio Power Amplifier
1.Outline
R2S15102NP is a Digital Power Amplifier IC developed for TV.
R2S15102NP can realize maximum Power 10W
×
2ch
(VD = 24V,THD = 10%, SE) at 8
Ω
load.
It is possible to replace from the conventional analog amplifier
system to the digital amplifier system easily.
2.Feature
●High
Output Power(THD=10%
)without external Heat Sink
(note) the thermal pad is soldered the thermal pad with
the printed-circuit board directly.
Recommanded Power Condition
SE operation mode :10Wx2ch(VD=24V)
at 8
Ω
BTL operation mode: 20Wx1ch(VD=18V)
at 8
Ω
●
The RENESAS original circuits realize high power efficiency,
low noise and low distortion characteristics.
●Pop sound Less
●Built-in protection function
(Over Current, Over Temperature and Under Voltage)
●Built-in Mute and Stand-by function
3.Operating Condition
●Recommanded
Power supply voltage
: from 11V to 25V
●Recommanded
Speaker Impedance
:
from 4 to 8
Ω
Fig.1
Package
20pin QFN
Body : 6 x 6 mm
Lead pitch : 0.8 mm
1
20
Un
der
De
vel
opm
ent
4.Block Diagram
Fig.2
System
Block Diagram
Control
Logic
A
Oscillator
Under Voltage
Detection
Over Current
Detection
Over Temp.
Detection
A
PWM1
PWM2
SE/BTL
Selector
STBYL
IN1
MUTEL
CBIAS
IN2
ROSC
GND
PROT
DVDD
VREF
OUT1
HB1
VD1
VS1
OUT2
VD2
VS2
HB2
PWM
Gene.
PWM
Gene.
1
20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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