BD5446EFV Rohm, BD5446EFV Datasheet - Page 11

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

●GAIN1 pin, GAIN2 pin, GAIN3 pin function
●SEL_DAC pin function
●RESETX pin function
●RESETX pin
●PDX pin,MUTEX pin function
●IIS_LJ pin function
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BD5446EFV
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SEL_DAC
RESETX
RESETX
(18pin)
(21pin)
(10pin)
(12pin)
(12pin)
(15pin)
GAIN3
IIS_LJ
PDX
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
MUTEX
GAIN2
(17pin)
(11pin)
The Lch signal of SDATA1 is output
The Lch signal of SDATA2 is output
L or H
H
H
H
H
H
L
L
L
L
L
OUT_DAC1 (23pin)
State of Digital block
State of Digital block
Digital data format
Left Justified
Reset OFF
Reset OFF
Reset ON
Reset ON
(16pin)
GAIN1
H
H
H
H
L
L
L
L
I2S
Power Down
OFF
ON
Speaker output gain
20dB
22dB
24dB
26dB
28dB
30dB
32dB
34dB
11/30
The Rch signal of SDATA1 is output
The Rch signal of SDATA2 is output
Normal operation
DAC output
(24,25pin)
HiZ_Low
OUT_DAC2 (24pin)
(33,34,38,39,43,44,48pin)
Normal operation
PWM output
HiZ_Low
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Technical Note
2010.05 - Rev.B