lx1722 Microsemi Corporation, lx1722 Datasheet - Page 11

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

Copyright © 2001
Rev. 1.2a,2004-06-10
-96.079
-94.11
I N T E G R A T E D
-100
-110
-120
-130
-140
-150
+10
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
90%
85%
80%
75%
70%
65%
60%
55%
50%
45%
20
dx=-2.9880 kHz
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
10
50
15V+1,Left
dy=-1.969 dB
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
5
100
Power Supply Rejection Ratio (PSRR)
100
C H A R A C T E R I S T I C C U R V E S ( C O N T I N U E D )
200
15V+1,Right
P R O D U C T S
10
Output Power (W)
8Ω
Frequency (Hz)
500
1000
Frequency (Hz)
15
Linfinity Microelectronics Division
.973932k
4Ω
15V-1,Left
1k
Microsemi
2Ω
2k
20
10000
3.96192k
15V-1,Right
Class-D Stereo Power Amplifier Controller
5k
25
100000
AudioMAX™
10k
30
20k
P
F
F
P
F
R
RODUCTION
IGURE
V
R
10Hz – 22kHz Bandwidth
A-Weighted
IGURE
V
f
IGURE
P
R
OWER
ATIO
IN
IN
IN
O
L
L
= 1kHz
= 4Ω
= 4Ω
= 1W
= 25V
= 15V
(PSSR)
11 – N
12 – E
13 – P
RMS
FFICIENCY VS
OWER
OISE
LX1721 / 1722
F
S
LOOR
UPPLY
FFT
. O
R
UTPUT
EJECTION
Page 11