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参数资料
| 型号： | LX1701ILQ |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3.9 W, 1 CHANNEL, AUDIO AMPLIFIER, PQCC16 |
| 封装： | 4 X 4 MM, PLASTIC, MLPQ-16 |
| 文件页数： | 14/20页 |
| 文件大小： | 478K |
| 代理商： | LX1701ILQ |
LX1701
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove CA. 92841 714-898-8121, FAX 714-893-2570
Page 3
WWW
.Microse
m
i
.CO
M
2W Filterless Mono Class-D Audio Amplifier
Copyright
2004
Rev. 1.0, 2004-06-09
TM
SY STEM CHARACT ER ISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40
°C
≤ T
A ≤ 85°C except where
otherwise noted and the following test conditions: Default settings: 20Hz corner low frequency, 14dB gain.
LX1701
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
No Load, VDD = PVDD = 1.8V
0.9
1.2
No Load, VDD = PVDD = 3.3V
1.3
1.8
Supply Current, Quiescent
IQQ
No Load, VDD = PVDD = 5.0V
2.0
2.5
mA
Supply Current, Shutdown Mode
IQQSD
Disable pin active
1
A
THD+N = 1%
1.3
VDD = PVDD = 5V,
Fin = 1kHz
THD+N = 10%
1.8
THD+N = 1%
0.5
Output Power @ 8 Ohms
PO
VDD = PVDD = 3.3V,
Fin = 1kHz
THD+N = 10%
0.7
W
THD+N = 1%
2.1
VDD = PVDD = 5V,
Fin = 1kHz
THD+N = 10%
2.8
THD+N = 1%
0.9
Output Power @ 4 Ohms
PO
VDD = PVDD = 3.3V,
Fin = 1kHz
THD+N = 10%
1.2
W
THD+N = 1%
3.0
VDD = PVDD = 5V,
Fin = 1kHz
THD+N = 10%
3.9
THD+N = 1%
1.3
Output Power @ 2 Ohms
PO
VDD = PVDD = 3.3V,
Fin = 1kHz
THD+N = 10%
1.8
W
Power Efficiency
η
VDD = PVDD = 5V, Fin = 1kHz, RL = 8
85
%
Total Harmonic Distortion @ 50% of
Max Power
THD+N
VDD = PVDD = 5V, Fin = 1kHz, RL = 8
0.09
%
Signal-to-Noise Ratio
SNR
VDD = PVDD = 5V, F = 1KHz, PO = 1W,
A-Weighted
99
dB
Output Noise Floor
VN
Input Grounded A-weighted 20-20kHz
25
VRMS
FLO
3dB relative to 1kHz, BW Select = VSS
20
Hz
Frequency Response Lower Corner
Frequency
FHI
3dB relative to 1kHz, BW Select = VDD
300
Hz
Frequency Response
VDD = PVDD = 1.8 to 5.5V, RL = 4 ,
PO = 200mW @ 20~80KHz, filterless
3
dB
Power Supply Rejection Ratio
PSRR
VDD = PVDD = 1.8V to 5.5V
65
dB
Common Mode Rejection Ratio
CMRR
VDD = PVDD = 1.8V to 5.5V
70
dB
Pin 9 tied to VDD, VDD = PVDD = 1.8V to 5.5V
14
Gain
GSYS
Pin 9 tied to VSS, VDD = PVDD = 1.8V to 5.5V
8
dB
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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