BD5446EFV Rohm, BD5446EFV Datasheet - Page 14

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

●Power supply start-up sequence
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BD5446EFV
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OUT_DAC1 (23pin)
OUT_DAC2 (22pin)
SDATA1 (10pin)
SDATA2 (11pin)
SYS_CLK (7pin)
VCCA (25pin)
VCCP1 (53, 54pin)
VCCP2 (28, 29pin)
REG_G1 (1pin)
RESETX (12pin)
REG_3 (5pin)
REG_G2 (27pin)
Speaker output
MUTEX (13pin)
LRCLK (9pin)
PDX (14pin)
BCLK (8pin)
②Set RESETX to High after power up.
①Power up VCCA, VCCP1, VCCP2 simultaneously.
③Degital audio data communication.
④Set PDX to High.
14/30
⑤Set MUTEX to High.
Soft-start
43msec(fs=48kHz)
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REG_G1, REG_G2
Technical Note
2010.05 - Rev.B
REG_3
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