LM1875-TB5-T datasheet(4/7 Pages) UTC

Part #	LM1875-TB5-T

Description	20W AUDIO POWER AMPLIFIER

Download	7 Pages

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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LM1875

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 7

www.unisonic.com.tw

QW-R107-019,D

TYPICAL CHARACTERISTICS

40

Device Dissipation vs Ambient Temperature

80

20

60

100

0

40

45

Ta - Ambient Temperture(℃)

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

RR vs Frequency

500

50

200

1K

0

90

100

Frequency (Hz)

80

70

60

50

40

30

20

10

2K 5K 10K 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

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

520

25

0

80

100

40

20

30

Supply Voltage (±V)

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LM1875-TB5-T Datasheet(PDF) 4 Page - Unisonic Technologies

LM1875-TB5-T Datasheet(HTML) 4 Page - Unisonic Technologies

Similar Part No. - LM1875-TB5-T

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