PAM8603M
3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control
Block Diagram
VDD
VDD/2
PVDDR PGNDR
-
INR
+
+
-
MODULATOR
DRIVER
+OUTR
-OUTR
THERMAL
PROTECTION
Attenuation Decoder
VDC
VOLUME
MUTE
SHDN
Interface Control
INTERNAL
OSCILLATOR
BIAS AND
REFERENCES
VREF
OSC
CURRENT
PROTECTION
MODULATOR
+OUTL
DRIVER
INL
VDD/2
+
-
-
+
-OUTL
GND
PVDDL
PGNDL
Pin Configuration & Marking Information
Top View
SSOP-24
+OUTL
PGNDL
PGNDL
-OUTL
PVDDL
1
2
3
4
5
24
+OUTR
23
PGNDR
22
PGNDR
21
-OUTR
20
PVDDR
19
SHDN
18
GND
17
INR
16
NC
15
NC
14
VREF
13
NC
Top View
SOP-18
+OUTL
PGNDL
-OUTL
PVDDL
MUTE
VDD
INL
VDC
VOLUME
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
MUTE
6
VDD
7
INL
8
NC
9
VDC
10
VOLUME
11
NC
12
+OUTR
PGNDR
-OUTR
PVDDR
SHDN
GND
INR
NC
VREF
PAM8603M
XXXYWWXX
Power Analog Microelectronics
,
Inc
www.poweranalog.com
2
10/2008 Rev 1.0
PAM8603M
XXXYWWXX
X: Internal Code
Y: Year
WW: Week
PAM [ POWER ANALOG MICOELECTRONICS ]
