APA2012
Pin Description
PIN
NO.
WLCSP1.2x1.2-9
A1
A2
A3
B1
B2
B3
C1
C2
C3
TDFN3x3-8
4
6
5
3
7
-
2
1
8
NAME
INP
GND
VON
VDD
PVDD
PGND
INN
SD
VOP
I/O
FUNCTION
The non-inverting input of amplifier. INP is connected to Gnd via a
capacitor for single-end (SE) input signal.
Ground connection for circuitry.
The negative output terminal of Class-D amplifier.
Supply voltage input pin.
Supply voltage only for power stage.
Ground connection for power stage
The inverting input of amplifier. INN is used as audio input
terminal, typically.
Shutdown mode control signal input, place entire IC in shutdown
mode when held low.
The positive output terminal of Class-D amplifier.
I
-
O
-
-
-
I
I
O
Block Diagram
PV
DD
Gate
Drive
INN
V
ON
De-glitch
&
Modulati
on Logic
Gate
Drive
V
OP
INP
Biases &
Reference
VDD
POR
RAMP GEN
GND
SD
320kΩ
TTL Input
Buffer
Startup
protection
logic
Over-Current
Protection
Thermal
Protection
Copyright
©
ANPEC Electronics Corp.
Rev. A.3 - Oct., 2013
8
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
