Akai LCT42Z7TAP, Service Manual

Page: 71 / 130

Digital Power Amplifier
R2S15102NP
(note)
“R for GND” ‘s are
for the evaluation only and
not needed actually.
９．
Application Examples
Fig.4 SE operation mode(10Wx2ch)
VD=+11〜25V
STBYL
RO
S
C
OUT1
HB1
VD1
VS1
IN1
MUTEL
CB
IA
S
AV
D
D
OUT2
VD2
VS2
PR
OT
HB2
DV
D
D
IN2
GN
D
3
4
2
5
1
9 8 7 10 6
14
15
11
12
13
16 17 18 20 19
PWM2 PWM1
0.47u
10k 10k
0.47u
10u
10u
22k
330u 330u
8Ω
R2S15102
10u
0.1u 0.1u
3p 150k 150k 3p
1u
STANDBY
IN1 IN2
47k
0.1u 0.1u
0.1u 1000u
0.047u
R for
GND
(150k)
R for
GND
(47k)
R for
GND
(47k)
15uH Vz=27〜３０V
Vz=27〜３０V
Exposed
Die Pad
STBYL
RO
S
C
OUT1
HB1
VD1
VS1
IN1
MUTEL
CB
IA
S
AV
D
D
OUT2
VD2
VS2
PR
OT
HB2
DV
D
D
IN2
GN
D
3
4
2
5
1
9 8 7 10 6
14
15
11
12
13
16 17 18 20 19
PWM2 PWM1
47k
10k
0.47u
22k
8Ω
R2S15102
10u
0.1u 0.1u
3p 150k 150k 3p
STANDBY
47k
0.1u 0.1u
0.1u 1000u
0.047u
R for
GND
(150k)
15uH Vz=27〜３０V
Vz=27〜３０V
Fig.5 BTL operation mode (20W)
Exposed
Die Pad
0.1u
+ +
(note)
This capacitance value depends on
the speaker peripheral circuit.
1k
1k
0.047u
1u
1u 15uH
8Ω
MUTE
VD=+11〜25V
0.047u
1u
1u 15uH
BTL Configuration
MUTE
IN
0.1u
R for
GND
(47k) R for
GND
(150k)
10u
1u
10u
69／128