LM4880G-D08-T datasheet(9/11 Pages) UTC

No. de pieza	LM4880G-D08-T

Descripción Electrónicos	DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE

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Fabricante Electrónico	UTC [Unisonic Technologies]

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9 / 11 page

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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