Download Rohm BD5446EFV Datasheet

Technical Note
BD5446EFV
No.
Pin name
7
8
9
10
11
SYS_CLK
BCLK
LRCLK
SDATA1
SDATA2
Pin voltage
Pin explanation
Internal equivalence circuit
5
0V
Digital audio signal input pin
7,8,9
10,11
50K
6
12
RESETX
13
MUTEX
14
Reset pin for Digital circuit
H: Reset OFF
L: Reset ON
0V
Speaker output mute control pin
H: Mute OFF
L: Mute ON
Power down control pin
H: Power down OFF
L: Power down ON
PDX
5
12,13,14
50K
6
5
Digital audio signal data format setting terminal
15
IIS_LJ
0V
H: Left Justified format
2
L: I S format
15
50K
6
5
16
17
18
GAIN1
GAIN2
GAIN3
Gain setting terminal
0V
16,17,18
Gain=20dB~34dB, 2dB step
50K
6
5
19
20
TEST1
TEST2
Test pin
0V
19,20
Please connect to GND.
50K
6
5
DAC output selection terminal
21
SEL_DAC
0V
H: SDATA2 is output from the DAC
L: SDATA1 is output from the DAC
21
50K
6
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2011.06 - Rev.C