BD5446EFV Rohm, BD5446EFV Datasheet - Page 8

• Manufacturer Part Number: BD5446EFV
• Description: Class-D Speaker Amplifier
• Manufacturer: Rohm

© 2010 ROHM Co., Ltd. All rights reserved.
BD5446EFV
www.rohm.com
No.
10
11
12
13
14
15
16
17
18
19
20
21
7
8
9
SEL_DAC
SYS_CLK
Pin name
RESETX
SDATA1
SDATA2
MUTEX
LRCLK
TEST1
TEST2
GAIN1
GAIN2
GAIN3
IIS_LJ
BCLK
PDX
Pin voltage
0V
0V
0V
0V
0V
0V
Digital audio signal input pin
Reset pin for Digital circuit
H: Reset OFF
L: Reset ON
Speaker output mute control pin
H: Mute OFF
L: Mute ON
Power down control pin
H: Power down OFF
L: Power down ON
Digital audio signal data format setting terminal
H: Left Justified format
L: I
Gain setting terminal
Gain=20dB~34dB, 2dB step
Test pin
Please connect to GND.
DAC output selection terminal
H: SDATA2 is output from the DAC
L: SDATA1 is output from the DAC
2
S format
Pin explanation
8/30
Internal equivalence circuit
12,13,14
16,17,18
19,20
10,11
5
15
21
7,8,9
6
5
5
6
6
5
5
6
6
5
6
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Technical Note
2010.05 - Rev.B
50K
50K
50K
50K
50K
50K