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LM4880G-SH2-R 数据表(PDF) 9 Page - Unisonic Technologies

部件名 LM4880G-SH2-R
功能描述  DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE
PDF  11 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LM4880G-SH2-R 数据表(HTML) 9 Page - Unisonic Technologies

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LM4880
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
9 of 11
www.unisonic.com.tw
QW-R502-033. E
TYPICAL CHARACTERISTICS(Cont.)
20
-140.0
0.0
Frequency (Hz)
100
10k 20k
Channel Separation
Channel B to A
1k
-120.0
-100.0
-80.00
-60.00
-40.00
-20.00
Channel A to B
20
100.0
0.0
Frequency (Hz)
100
10k 20k
Output Attenuatin in Shutdown Mode
1k
90.00
80.00
70.00
60.00
40.00
20.00
50.00
30.00
10.00
R
I
=R
F
=20K
Ω
20
Frequency (Hz)
100
10k 20k
Noise Floor
1k
1m
Power Supply Rejection Ratio
10
100
1k
10k
0
10
20
30
40
50
60
70
100k
Frequency (Hz)
Open Loop Frequency Response
10
100
1k
10k 100k
1M
0
20
40
60
80
100
10M
Frequency (Hz)
100M
0
45
90
135
180
225
Supply Current vs Supply Voltage
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Supply Voltage (V)
5.5
4.5
5.0
0dB=1.3Vrms
R
F
=20k
Ω
100
µ
10
µ
1
µ
BW<22kHz
CB
=1
.0µ
F I
I 0
.1µ
F
CB=0.1µF
VPIN3=2.5V(FORCED)
CB
=1
.0µ
F I
I 0
.1µ
F
VPIN5=0V
RL=∞
R
I
=R
F
=10k
Ω
R
I
=10k
Ω
VDD=5.0V
RL=8Ω
VPIN3=5.0V
RL=8Ω
POUT=200mW
0dB=200mW
GV=1
CB=1.0µF
RL=8Ω
GV=1
Gain
Phase
VRIPPLE=200mVRMS
0dB=200mVRMS
VDD=5.0V
RL=8Ω



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