SGP34119 datasheet(3/9 Pages) SECOS

3 / 9 page

Elektronische Bauelemente

SGP34119

Low Power Audio Amplifier

17-Dec-2009 Rev. A

Page 3 of 9

ELECTRICAL CHARACTERISTICS ( TA=25 °C, unless otherwise specified)

CHARACTERISTICS

SYMBOL

MIN

TYP

MAX

UNITS

TEST CONDITIONS

AMPLIFIERS (AC CHARACTERISTICS)

AC Input Resistance

>30

@ VIN

Open Loop Gain

AVOL1

Amplifier#1, f<100Hz

Close Loop Gain

AV2

-0.35

0.35

Amplifier#2, VCC=6V, f=1kHz, RL=32

Gain Bandwidth Product

GBW

1.5

MHz

POut3

VCC=3V, RL=16 , THD≦10%

POut6

250

VCC=6V, RL=32 , THD≦10%

Output Power

POut12

400

VCC=12V, RL=100 , THD≦10%

0.5

1.0

VCC=6V, RL=32 , POut=125mW

0.5

VCC≧3V, RL=8 , POut=20mW

Total Harmonic Distortion (f=1kHz)

THD

0.6

VCC≧12V, RL=32 , POut=200mW

C1=

∞, C2=0.01µF

C1=0.1

µF, C2=0, f=1kHz

Power Supply Rejection Ration

(VCC=6V, △VCC=3V)

PSRR

C1=1.0

µF, C2=5.0µF, f=1kHz

Differential Muting

GMT

>70

VCC=6V, 1kHz≦f≦20kHz, CD=2V

AMPLIFIERS (DC CHARACTERISTICS)

VO(3)

1.0

1.15

1.25

VO1,VO2,VCC=3V,RL=16 ,(R F=75K )

VO(6)

2.65

VCC=6V

Output DC Level

VO(12)

5.65

Vdc

VCC=12V

VOH

VCC -1

High IOUT=-75mA, 2V≦VCC≦16V

Output Level

VOL

0.16

Vdc

Low IOUT=75mA, 2V≦VCC≦16V

Output DC Offset Voltage

(VO1- VO2)

△VO

-30

VCC=6V, R F=75K , RL=32

Input Bias Current

IIB

-100

-200

VIN (VCC=6V)

RFC1

100

150

220

FC1(VCC=6V)

Equivalent Resistance

RFC2

FC2(VCC=6V)

CHIP DISABLE (Pin1)

VIL

0.8

Low

Input Voltage

VIH

2.0

Vdc

High

Input Resistance

RCD

175

VCC= VCD=16V

POWER SUPPLY

ICC3

2.7

4.0

VCC=3V, RL=

∞, CD=0.8V

ICC16

3.3

5.0

VCC=16V, RL=

∞, CD=0.8V

Power Supply Current

ICCD

100

µA

VCC=3V, RL=

∞, CD=2.0V

Note: Currents into a pin are positive, currents out of a pin are negative.

TYPICAL TEMPERATURE PERFORMANCE (-20°C <T A<70°C)

FUNCTION

TYPICAL CHANGE

UNIT

Input Bias Current (@ VIN)

±40

pA/°C

Total Harmonic Distortion (VCC=6V, RL=32 , P OUT=125mW, f=1kHz)

0.003

%/°C

VCC=3V, RL=

∞, CD=0V

-0.25

Power Supply Current

VCC=3V, RL=

∞, CD=2V

-0.03

µA/°C

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