lx1722 Microsemi Corporation, lx1722 Datasheet - Page 6

• Manufacturer Part Number: lx1722
• Description: Class-d Stereo Power Amplifier Controller
• Manufacturer: Microsemi Corporation

Copyright © 2001
Rev. 1.2a,2004-06-10
LAMPOUT
LEAOUT
CLOCK
LMUTE
RPW M
CPW M
LEAIN
LISN
VDD
LIN+
LIN-
I N T E G R A T E D
41
42
13
12
11
8
3
2
5
6
4
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
F
IGURE
2.5V
INPUT AMP
1 – LX1721 / 22 S
SYNC
ERROR AMP
OSC
P R O D U C T S
CLK
Linfinity Microelectronics Division
MUTE
MUTE
IMPLIFIED
B L O C K D I A G R A M
MUX
Microsemi
PVDD
CURRENT SENSE
B
+
-
LOCK
220m V
Class-D Stereo Power Amplifier Controller
D
IAGRAM
AudioMAX™
(L
REFERENCE
EFT
CLK
UVLO
C
&
FAULT
TIMER
HANNEL
S
R
FEEDBACK AMP
P
RODUCTION
C
Q
Q
IRCUIT
S
DRIVERS
OUTPUT
HOWN
LOGIC
Reference
Reference
&
2.5V
5V
5V
)
LX1721 / 1722
27,39
17
10
40
28
36
37
34
35
44
43
7
1
PVDD
SLEEP
VREF
V25
CN
CP
LP+
LN+
LN-
LP-
LFBK-
LFBK+
LFAOUT
Page 6