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參數(shù)資料
| 型號： | LX1702CLQ-TR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC16 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, MLPQ-16 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 266K |
| 代理商： | LX1702CLQ-TR |
LX1702
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
Copyright
2005
Rev. 1.0, 2006-10-11
WWW
.Microse
m
i
.CO
M
1W Filter less Stereo Class-D Amplifier
TM
ELECTRICAL CHA RACTERISTICS
The following specifications apply over the operating ambient temperature 0 < TA < 70°C except where otherwise noted and the following
test conditions: PVDD = VDD = 5.0V, PVSS = VSS = 0V, RL = 8
LX1702
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Supply Voltage
VDD PVDD
2.5
5.5
V
Oscillator Frequency
fSW
VDD = PVDD = 2.5 ~ 5.5V
200
kHz
VDD = PVDD = 5V
2.5
5
Supply Current: Quiescent
IQQ
No Load
VDD = PVDD = 3.3V
2
4
mA
Supply Current: Shutdown Mode
IQQSD
Disable Pin Active
0.5
2
A
Power Supply Rejection Ratio
PSRR
VDD = PVDD = 2.5V to 5.5V
55
60
dB
Input Resistance
RIN
VDD = PVDD = 2.5V ~ 5.5V Single Ended
18
K
Output DC Offset
VOFF
Input Shorted to GND
-50
+50
mV
P Channel
400
VDD = PVDD = 5V
N Channel
400
P Channel
550
VDD = PVDD = 3.3V
N Channel
550
P Channel
900
Static Drain-to-Source ON-
Resistance
RDSON
VDD = PVDD = 2.5V
N Channel
900
m
Stage Gain
GH
VDD = PVDD = 2.5V to 5.5V
9
10
11
V/V
Thermal Junction Shutdown
TJ
150
°C
Thermal Shutdown Hysteresis
25
°C
Enable Threshold
EN
2.1
2.25
2.4
V
Under Voltage Threshold Level
VDD
1.8
2.0
2.2
V
SIMPLIFIED BLOCK DIAGRAM
VINP
VINN
VDD
VSS
EN
PVSS2
PVSS1
OUTN
OUTP
PVDD1
PVDD2
De-pop signal
ground
Generation
Dynamic
Pulse
Generation
Triangle
Wave
Generator
DRIVER
LP
LX1702
Figure 1 –
LX1702 Simplified Block Diagram (Half Circuit)
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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