MC3419 查看數據表（PDF） - Unisonic Technologies

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MC3419

LOW POWER AUDIO AMPLIFIER(LINEAR INTEGRATED CIRCUIT)

Unisonic Technologies 

UTC MC3419 LINEAR INTEGRATED CIRCUIT

ELECTRICAL CHARACTERISTICS (Vcc=6V, Ta=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP

DC PARAMETER

Operating Current

Icc

Vcc=3V, Mute=0.8V

2.7

Vcc=16V, Mute=0.8V

3.3

Vcc=3V, Mute=2V

65

Output Voltage

Vo

RL=16Ω, R1=75KΩ

Vcc=3V

1

1.15

Vcc=6V

2.65

Vcc=12V

5.65

Output Offset Voltage

Voo

Vcc=6V, Rf=75KΩ,RL=32Ω

-30

0

Output High Level

VOH

2V<Vcc<16V, Iout=-75mA

Vcc~1

Output Low Level

VOL

2V<Vcc<16V, Iout=75mA

0.16

Input Bias Current

Ibias

-100

Equivalent Resistance

REQ

Pin 1

100 150

Pin 8

18

25

AC PARAMETER

Open Loop Gain of Amp. 1

Gv1

80

Open Loop Gain of Amp. 2

Gv2

f=1KHz, RL=32Ω

-0.35 0

Output Power

Po

Vcc=3V, RL=6Ω, THD<10%

55

Vcc=6V, RL=32Ω, THD<10%

250

Vcc=12V, RL=100Ω, THD<10% 400

Total Harmonic Distortion

THD

Vcc=6V, RL=32Ω, Po=125mW

0.5

(f=1KHz)

Vcc<3V, RL=8Ω, Po=20mW

0.5

Vcc<12V, RL=32Ω, Po=200mW

0.6

Gain Bandwidth Product

GBW

1.5

Power Supply Rejection

(Vcc=6V, ∆Vcc=3V)

PSRR

C1=∝, C2=0.01µF

50

C1=0.1µF, C2=0, f=1KHz

12

C1=1µF, C2=5µF, f=1KHz

52

Muting

Gv(mute)

Mute=2V, 1KHz<f<20KHz

70

MAX

4

5

100

1.25

30

-200

220

40

0.35

1

UNIT

mA

mA

µA

V

V

V

mV

V

V

nA

KΩ

KΩ

dB

dB

mW

mW

mW

%

%

%

MHz

dB

dB

dB

dB

UTC UNISONIC TECHNOLOGIES CO., LTD. 3

QW-R107-042,A

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