RT5509
Pin Configuration
(TOP VIEW)
A1
LRCK1
B1
BCK1
C1
DAI2
D1
LRCK2
E1
BCK2
F1
SDA
G1
SCL
A2
DAI1
B2
DGND
C2
DGND
D2
DGND
E2
DGND
F2
ADS1
G2
VBAT
A3
DATAO
B3
DATAI
C3
DGND
D3
DGND
E3
DGND
F3
ADS2
G3
DVDD
A4
INT
B4
RST
C4
TSTA2
D4
TSTA1
E4
DGND
F4
AGND
G4
AGND
B5
PGND
C5
A6
A7
VSPOUTN PVDD
B6
PGND
C6
B7
PVDD
C7
PGND VSPOUTP PVDD
D5
AGND
E5
BGND
F5
BGND
G5
BGND
D6
NC1
E6
LX
F6
LX
G6
LX
D7
NC2
E7
VBST
F7
VBST
G7
VBST
WL-CSP-48B 3.04x2.99 (BSC)
Functional Pin Description
Pin No.
A1
A2
A3
A4
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
C6
C7
D1
Pin Name
LRCK1
DAI1
DATAO
INT
VSPOUTN
PVDD
BCK1
DGND
DATAI
RST
PGND
PGND
PVDD
DAI2
DGND
DGND
TSTA2
PGND
VSPOUTP
PVDD
LRCK2
Type
I
I
O
O
O
P
I
G
I
I
G
G
P
I
G
G
O
G
O
P
I
I
2
S word select 1.
I
2
S data input 1.
I
2
S data output.
Interrupt output.
Class-D inverting output.
Class-D supply voltage.
I
2
S Bit clock 1.
Digital / Analog ground.
I
2
S data input 3.
Reset input.
Power ground.
Power ground.
Class-D supply voltage.
I
2
S data input 2.
Digital ground.
Digital ground.
Test output 2 / short to GND.
Power ground.
Class-D non-inverting output.
Class-D supply voltage.
I
2
S word select 2.
Pin Function
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is a registered trademark of Richtek Technology Corporation
www.richtek.com
2
DS5509-01
September
2017
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
