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Número de pieza
componentes Descripción
BD5471MUV Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Fabricante
BD5471MUV
Analog Input Stereo Class-D Speaker Amplifier
ROHM Semiconductor
BD5471MUV Datasheet PDF : 22 Pages
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BD5471MUV
Technical Note
●
Evaluation board Circuit Diagram
Audio Input
C5
C7
C6
C8
Audio Input
C4
C3
JP1
C1
to Speaker
(BTL)
24
INL+
BEEP
1
150k
23
INL-
22
AGND
21
AVDD
20
INR-
19
INR+
G0
G0
18
150k
DET_C
2
OUTL+
3
PVDDL
4
PGNDL
5
OUTL-
6
BEEP
DET
BEEP
Gain
Select
G0 G0
G1 G1
Gain
Select
G1
150k
SHORT
SHORT
H-
Bridge
PWM
UVLO TSD SHORT
STOP
PWM
SHORT
H-
Bridge
BEEP
MUTE
EAPD
BIAS
OSC
UVLO
TSD
UVLO
TSD
G1
17
OUTR+
16
PVDDR
15
PGNDR
14
SHORT
SHORT
MUTE
150k
7
MUTE
EAPD
150k
8
EAPD
3.3VREG
SHORT
OUTR-
13
9
REG_SD
10
REG_VDD
11
REG_OUT
12
REG_GND
JP2
JP3
JP4
C2
3.3V
Regulator
JP4
JP5
to Speaker
(BTL)
Please connect
to
Input Signal
line.
Please connect
to
Power Supply
(VDD=+2.5
~
5.5V) line.
Please connect
to
GND
line.
Please connect
to
Speaker
.
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© 2010 ROHM Co., Ltd. All rights reserved.
6/21
2010.06 - Rev.A
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