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LX1704 Datasheet

  • LX1704

  • Microsemi Corporation [2W Filter less Stereo Class-D Amplif...

  • 612.11KB

  • MICROSEMI

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LX1704
TM
廬
2W Filter less Stereo Class-D Amplifier
P
RODUCTION
D
ATA
S
HEET
SYSTEM CHARACTERISTICS
The following specifications apply over the operating ambient temperature 0 < T
A
< 70擄C except where otherwise noted and the following
test conditions: PVDD = VDD = 5.0V, PVSS = VSS = 0V, RL = 4鈩?/div>
Parameter
Supply Current: Quiescent
Supply Current: Shutdown Mode
Output Power @ 4 Ohms
Power Efficiency
Total Harmonic Distortion @ 50% of
Maxim Power
Signal To Noise Ratio
Output Noise Floor
Frequency Response Lower Corner
Frequency
Frequency Response
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Gain
PSRR
CMRR
G
SYS
WWW .
Microsemi
.C
OM
Symbol
I
QQ
I
QQSD
P
Q
螚
THD_N
SNR
V
N
F
LO
Test Conditions
No Load
Disable Pin Active
VDD = PVDD = 5V, Fin THD+N = 1%
= 1kHz
THD+N = 10%
THD+N = 1%
VDD = PVDD = 3.3V,
Fin = 1kHz
THD+N = 10%
VDD = PVDD = 5V, Fin = 1kHz
VDD = PVDD = 5V, Fin = 1kHz, R
L
= 4鈩?/div>
VDD = PVDD = 5V, F = 1kHz, P
O
= 1W, A-
weighted
Input Grounded A-weighted 20 to 20kHz
3dB relative to 1kHz
VDD = PVDD = 2.5 to 5.5V, RL = 4鈩?
P
O
= 200mW @ 20 to 80kHz, Filter less
Input Reffered, VDD = PVDD = 2.5V to 5.5V
VDD = PVDD = 2.5V to 5.5V
Min
LX1704
Typ
2.5
2.4
3.3
0.9
1.2
85
0.1
90
100
Max
5
1
Units
mA
碌A(chǔ)
W
%
%
dB
碌V
RMS
20
20K
3
Hz
dB
dB
dB
dB
55
55
60
60
20
E
LECTRICALS
E
LECTRICALS
Copyright
漏
2005
Rev. 1.2, 2006-10-11
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3

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