Datasheet

Technical Note
11/31
BD5446EFV
www.rohm.com
2011.06 - Rev.C
© 2011 ROHM Co., Ltd. All rights reserved.
●GAIN1 pin, GAIN2 pin, GAIN3 pin function
GAIN3
(18pin)
GAIN2
(17pin)
GAIN1
(16pin)
Speaker output gain
L L L 20dB
L L H 22dB
L H L 24dB
L H H 26dB
H L L 28dB
H L H 30dB
H H L 32dB
H H H 34dB
●SEL_DAC pin function
SEL_DAC
(21pin)
OUT_DAC1 (23pin) OUT_DAC2 (24pin)
L The Lch signal of SDATA1 is output The Rch signal of SDATA1 is output
H The Lch signal of SDATA2 is output The Rch signal of SDATA2 is output
●RESETX pin function
RESETX
(10pin)
State of Digital block
L Reset ON
H Reset OFF
●RESETX pin
RESETX
(12pin)
State of Digital block
L Reset ON
H Reset OFF
●PDX pin,MUTEX pin function
PDX
(12pin)
MUTEX
(11pin)
Power Down
DAC output
(24,25pin)
PWM output
(33,34,38,39,43,44,48pin)
L L or H ON HiZ_Low
HiZ_Low
H L
OFF Normal operation
H H Normal operation
●IIS_LJ pin function
IIS_LJ
(15pin)
Digital data format
L I2S
H Left Justified