UTC34119 查看數據表（PDF） - Unspecified

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UTC34119

LOW POWER AUDIO AMPLIFIER

Unspecified 

UTC34119

LINEAR INTEGRATED CIRCUIT

ELECTRICAL CHARACTERISTICS

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

Characteristic

Symbol

Test Conditions

DC Characteristics

Vcc=3.0V, Mute=0.8V

Operating current

Icc Vcc=16.0, Mute=0.8V

Vcc=3.0V,Mute=2.0V

RL=16Ω R1=75kΩ

Output Voltage

Vo Vcc=3.0V

Vcc=6.0V

Vcc=12.0V

Output Offset Voltage

Voo Vcc=6.0V,Rf=75kΩ,RL=32Ω

Output High Level

VOH 2.0V<Vcc<16V,Iout=-75mA

Output Low Level

VOL 2.0V<Vcc<16V,Iout=75mA

Input Bias Current

Ibias

Equivalent Resistance

REQ pin1

pin8

AC Characteristics

Open Loop Gain of Amp 1

Gv1

Open Loop Gain of Amp 2

Gv2 f=1.0kHz,RL=32Ω

Vcc=3.0V,RL=6Ω,THD<10%

Output Power

Po Vcc=6.0V,RL=32Ω,THD<10%

Vcc=12.0V,RL=100Ω,THD<10%

Vcc=6.0V,RL=32Ω,Po=125mW

Total Harmonic Distortion

THD Vcc<3.0V,RL=8Ω,Po=20mW

(f=1.0kHz)

Vcc<12V,RL=32Ω,Po=200mW

Gain Bandwidth Product

GBW

C1=∞,C2=0.01µF

Power Supply rejection

PSRR C1=0.1µF,C2=0,f=1kHz,

(Vcc=6.0V,∆Vcc=3.0V)

C1=1.0µF,C2=5.0µF,f=1kHz

Muting

Gv(mute) Mute=2.0V,1.0kHz<f<20kHz

Min Typ Max

2.7 4.0

3.3 5.0

65 100

1.0 1.15 1.25

2.65

5.65

-30

0

+30

Vcc-1.0

0.16

-100 -200

100 150 220

18

25

40

80

-0.35 0 0.35

55

250

400

0.5 1.0

0.5

0.6

1.5

50

12

52

70

Units

mA

mA

µA

V

mV

V

V

nA

kΩ

dB

dB

mW

%

MHz

dB

dB

TYPICAL APPLICATION CIRCUIT

Vcc

Mute

Rf

Vcc

Mute

75kΩ

6

0.1µF

R1

4

1

5

Audio

UTC34119

Input

3

8

2

7

1µF

5µF

0.1µF

Audio

Input

6

1

3

5

UTC34119

4

8

3kΩ

2

7

0.1µF

5µF

YOUW ANG ELECTRONICS CO.LTD

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