3544_15 datasheet(8/10 Pages) UTC

Part #	3544

Description	HEADPHONE AMPLIFIER FOR CD-ROMS

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Manufacturer	UTC [Unisonic Technologies]

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

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8 / 10 page

3544

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

8 of 10

www.unisonic.com.tw

QW-R107-040.D



TYPICAL CHARACTERISTICS

Quiescent Current vs. Power Supply Voltage

Pin DC Current vs. Power Supply Voltage

0

2

10

9

8

7

6

5

4

3

2

1

0

46

8

10

Supply Voltage, Vcc (V)

Ta=25℃

RL=32Ω

Supply Voltage, Vcc(V)

5

4

3

2

1

0

24

6

8

10

5

4

3

2

1

0

Ta=25℃

RL=32Ω

MUTE: OFF

MUTE: ON

2

6

8

4

0

10

-2

-4

-6

-8

-10

-12

100

1k

100k

10k

Frequency, F(Hz)

Voltage Gain vs. Frequency

Ta=25℃

RL=32Ω

Vcc=5V

0

0.4

10

0

-10

-20

-30

-40

-50

-60

-70

-80

-90

0.8

1.2

1.6

2

Mute Control Voltage, VTM (V)

Output Voltage vs. Mute Control Voltage

Ta=25℃

RL=32Ω

Vcc=5V

VIN=0dBV

f=1kHz

10

1

0.1

0.01

0.001

-40

-30

-20

10

-10

0

Output Voltage, VOUT (dBV)

Total Harmonic Distortion vs. Output Voltage ( I )

Ta=25℃

RL=32Ω

Vcc=5V

f=10kHz

f=1kHz

f=100Hz

10

1

0.1

0.01

0.001

-40

-30

-20

10

-10

0

Total Harmonic Distortion vs. Output Voltage ( II )

f=10kHz

f=1kHz

f=100Hz

Ta=25℃

RL=32Ω

Vcc=3V

Output Voltage, VOUT (dBV)

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