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LM1875 Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. LM1875
Description  20W AUDIO POWER AMPLIFIER
Download  6 Pages
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM1875 Datasheet(HTML) 4 Page - Unisonic Technologies

  LM1875 Datasheet HTML 1Page - Unisonic Technologies LM1875 Datasheet HTML 2Page - Unisonic Technologies LM1875 Datasheet HTML 3Page - Unisonic Technologies LM1875 Datasheet HTML 4Page - Unisonic Technologies LM1875 Datasheet HTML 5Page - Unisonic Technologies LM1875 Datasheet HTML 6Page - Unisonic Technologies  
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UTC LM1875
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO. LTD
4
QW-R107-019,B
TYPICAL PERFORMANCE CHARACTERISTICS
40
Device Dissipation vs Ambient Temperature
80
20
60
100
0
40
45
TA - AMBIENT TEMPERATURE(℃)
35
30
25
20
15
10
5
0
120 140 160
INFINITE HEAT SINK
1℃/W HEAT SINK
2℃/W
HEAT SINK
5℃/W
HEAT SINK
10℃/W HEAT SINK
INTERFACE=1℃/W
See Application Hints.
20
100
PSRR vs Frequency
500
50
200
1K
0
90
100
FREQUENCY(Hz)
80
70
60
50
40
30
20
10
2K 5K10K 20K
RS=0
RL=4
1 Vrms
POSITIVE SUPPLY
NEGATIVE SUPPLY
INPUT REFERRED
0.1
THD vs Power Output
1.0
0.01
0.1
POWER OUTPUT(W)
1.0
10
100
20
100
THD vs Supply Voltage
500
50
200
1K
0
0.09
0.1
FREQUENCY(Hz)
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
2K
5K 10K 20K
Vs=+25V
PD=10W
RL=4Ω
RL=8Ω
010
20
Power Output vs Supply Voltage
15
15
5
20
25
0
25
30
35
RL=8Ω
THD=1%
10
5
30
SUPPLY VOLTAGE(+V)
010
60
Supply Current vs Supply Voltage
15
5
20
25
0
80
100
40
20
30
SUPPLY VOLTAGE(±V)


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