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LM4880 Datasheet(PDF) 8 Page - Unisonic Technologies

Part # LM4880
Description  DUAL 250m W AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE
PDF  10 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM4880 Datasheet(HTML) 8 Page - Unisonic Technologies

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UTCLM4880
CMOS IC
UTC UNISONIC TECHNOLOGIES CO., LTD.
8
QW-R502-033,A
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
Ri=RF=20KΩ
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
RF=20kΩ
100μ
10μ
1μ
BW<22kHz
CB
=1
.0μ
F I
I W
0.1
μ
F
CB=0.1μF
VPIN3=2.5V(FORCED)
C
B=
1.0
μF
II 0
.1
μ
F
VPIN5=0V
RL=
R=RF=10kΩ
i
R =10kΩ
i
0dB=200mW
AV=1
VDD=5.0V
L
R=8Ω
VPIN3=5.0V
PO=200mW
RL=8Ω
CB=1.0μ F
RL=8Ω
AV=1
Gain
Phase
VRIPPLE=200mVrms
0dB=200mVrms
VDD=5.0V
R=8Ω
L



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