PAM8803
3W Filterless Stereo Class-D Audio Amplifier
with Digital Volume Control
Block Diagram
VDD
PGND
PVDD
VDD/2
+
-
+OUT_R
-OUT_R
INR
DRIVER
MODULATOR
Thermal
Protection
UP
DN
RST
BIAS
INTERNAL
AND
REFERENCES
OSCILLATOR
VREF
MUTE
SHDN
OSC
Current
Protection
+OUT_L
-OUT_L
MODULATOR
DRIVER
INL
+
-
VDD/2
GND
PVDD
PGND
Pin Configuration & Marking Information
Top View
SSOP-24
-OUT_L
-OUT_R
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
PGND
PGND
PGND
PGND
+OUT_L
+OUT_R
X: Internal Code
Y: Year
WW: Week
PVDD
MUTE
VDD
INL
PVDD
SHDN
GND
LL: Internal Code
17 INR
16
15
NC
NC
VREF10
NC
RST
14 UP
11
13
NC 12
DN
Power Analog Microelectronics,Inc
www.poweranalog.com
12/2009 Rev 1.4
2