LX1722CDB MICROSEMI, LX1722CDB Datasheet - Page 12

• Manufacturer Part Number: LX1722CDB
• Description: Audio Amp Speaker 2-CH Stereo 60W Class-D 44-Pin SSOP
• Manufacturer: MICROSEMI

Specifications of LX1722CDB

• Package: 44SSOP
• Function: Speaker
• Amplifier Type: Class-D
• Typical Voltage Gain: 60 dB
• Total Harmonic Distortion Noise: 0.06@1W %
• Typical Psrr: 70 dB
• Output Signal Type: Differential
• Output Type: 2-Channel Stereo
• Typical Gain Bandwidth Product: 7 MHz
• Maximum Input Bias Current: 1(Typ)@15V@-20C to 70C uA
• Maximum Input Offset Voltage: 5(Typ)@15V@-20C to 70C mV
• Maximum Load Resistance: 8 Ohm

Copyright © 2001
Rev. 1.2a,2004-06-10
Vcc
PGND
SLEEP
_MUTE
JP1
Teminal 2
RIN+
LIN+
LIN-
RIN-
2
1
Vcc
PGND
I N T E G R A T E D
C9
LIN+
LIN-
RIN+
RIN-
R1
R2 56.2k 1%
C3
C4
C5
C11 18pF
C6 0.47uF
R4 56.2k 1%
18pF
10k
0.47uF
0.47uF
0.47uF
+
C1
1000µF
25V
C13 1uF/10V,TANT
C14 0.1uF/25V
C10 150pF
R3
C7
R5 34.8k 1%
C12 150pF
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
10k
C2
0.1uF/25V
100pF
F
IGURE
Vcc
Vcc
Vcc
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
GND
14 – T
LFAOUT
CPWM
RPWM
_LMUTE
LEAOUT
LEAIN
VREF
CLOCK
GND
V25
LIN+
LIN-
LAMPOUT
RIN+
RIN-
RAMPOUT
SLEEP
STATUS
_RMUTE
REAIN
REAOUT
RFAOUT
U1
LX1721-01CDB
Vcc
Vcc
P R O D U C T S
0.020/1W
R7
R6
0.020/1W
YPICAL
RFBK+
LFBK+
RFBK-
LFBK-
PVDD
PGND
PGND
PVDD
RISN
RISN
RISN
LISN
VDD
RN+
LN+
RN-
RP+
LP+
RP-
CN
LP-
LN-
NC
C
CP
LISN
PGND
LISN
LASS
Linfinity Microelectronics Division
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
C20 4.7uF/25V,TANT
-D S
C16
0.1uF/25V
LN+
LP+
LP-
LN-
RN-
RP-
RP+
RN+
C17 4.7uF/25V,TANT
A P P L I C A T I O N
0.1uF/25V
Microsemi
0.1uF/25V
C19
TEREO
LFBK-
LFBK+
C22
RFBK+
RFBK-
C15
10uF/25V
+
Vcc
PGND
PGND
Vcc
Vcc
PGND
+
C18
47uF/25V
S
+
C21
47uF/25V
Class-D Stereo Power Amplifier Controller
WITCHING
AudioMAX™
R8
5.1/1W
R9
5.1/1W
R10
5.1/1W
R11
5.1/1W
R12
5.1/1W
R13
5.1/1W
R14
5.1/1W
R15
5.1/1W
A
MPLIFIER
Q2
Q6
Q1
Q3
Q4
Q5
Q7
Q8
C
IRCUIT
P
RODUCTION
A
PPLICATION
R16
24.3K 1%
R17
24.3K 1%
R18
24.3K 1%
R19
24.3K 1%
L1
15uH
L2
15uH
L3
15uH
L4
15uH
LX1721 / 1722
C25
220pF
PGND
C26
220pF
C27
220pF
PGND
C28
220pF
C29
0.68uF/50V
C30
0.68uF/50V
C32
0.68uF/50V
C33
0.68uF/50V
LFBK+
LFBK-
RFBK-
RFBK+
C31
0.47uF/50V
C34
0.47uF/50V
R20
15/1W
R21
15/1W
Page 12
OUTL+
OUTL-
OUTR-
OUTR+