TA7738P データシートの表示（PDF） - Contek Microelectronics

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TA7738P

AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER

Contek Microelectronics 

TA7738P

LINEAR INTEGRATED CIRCUIT

ELECTRONIC CHARACTERISTICS(Ta=25 C, VCC=6V, f=1kHZ, unless otherwise specified)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX

Total

Quiescent Current

ICCQ1

VCC=3.5V

7.5

ICCQ2

VCC=6V

11

35

Pre-amplifier

Open Loop Voltage Gain

GVO1

55

70

Closed Loop Voltage Gain

GV1

40

Maximum Output Voltage

VOUT1

THD<1%

0.7

Input Impedance

RIN1

VOUT=0.5Vrms

30

Equivalent Input Noise

VNI

Rg=0

1.4

2.5

Voltage

Pre-amplifier + Buffer amplifier

Closed Loop Voltage Gain

GV2

Pre-AMP GV=40dB

60

Buff-AMP GV=20dB

Maximum Output Voltage

VOUT2

THD=3%

1.5

1.7

Equivalent Input Noise

VNO2

Rg=0, GV2=60dB

1.2

2.5

Voltage

ALC Effect

ALC1

VIN= -60dBm~ -20dBm

2

ALC Range

ALC2

THD<1%

60

Power amplifier

Open Loop Voltage Gain

GVO1

60

70

Closed Loop Voltage Gain

GV1

40

Maximum Output Power

POM

RL=4W,THD=10%

0.8

0.96

VCC=9V,RL W,THD=10%

2

Output Noise Voltage

VNO3

Rg=0, GV=40dB

0.3

1

UNIT

mA

dB

dB

Vrms

kW

mWVrms

dB

Vrms

mVrms

dB

dB

dB

dB

W

mVrms

Contek Microelectronics Co.,Ltd.

2

CONTEK

http://www.contek-ic.com E-mail:sales@contek-ic.com

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