MS6336_1 Datasheet, PDF (15/21 Pages) MOSA ELECTRONICS – 16-bit Stereo Audio DAC Dual 1.6W Power Amplifiers

MOSA
MS6336
16-bit Audio DAC integrated Dual 1.6W Power Amplifiers
APPLICATION INFORMATION
A base application circuit
Audio
Decoder
BCK
WS
DATA
16-bit DAC
MCU
HP_sense
1uF
VDD
100k
100k
-1
OUTR-
100uF
1k
-1
OUTR+
RL
8Ω
Headphone Jack
-1
OUTL-
100uF
1k
RL
-1
8Ω
OUTL+
Supply
VDD Vss CAP
2.4 ~ 6.5V
Supply
1uF
0.1uF ^1uF
I²C
Interface
Power Amplifier
Supply
SCL SDA
MCU
PVDDL PVSSL PVDDR PVSSR
1uF
1uF
2.4 ~ 6.5V
Power Amplifier Supply
Output mode operation -- SE mode and BTL mode
The output has two modes, SE mode and BTL mode. The mode is selected by I2C code via MCU.
In BTL mode, the outputs of A1(B1) and A2(B2) are then used to drive the speakers(4Ω/8Ω).
A1
OUTR-
-1
A2
-1
OUTR+
B1
OUTL-
-1
B2
OUTL+
-1
R_L
4Ω / 8Ω
R_L
4Ω / 8Ω
I²C
Interface
SCL SDA
In the SE mode, the amplifiers A2 and B2 are shutdown, and become the high output impedance states.
REV 4
A1
OUTR- ^100uF
-1
1k
A2
Sh-u1tdown
Headphone
Jack
R_L
16Ω / 32Ω
B1
OUTL-
100uF
-1
1k
B2
Sh-u1tdown
I²C
Interface
SCL SDA
15/21
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