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TDA7286

SINGLE CHIP PREAMPLIFIER FOR DOUBLE DECK RADIO CASSETTE RECORDER

STMicroelectronics 

TDA7286

ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25°C; f = 1KHz; RL = 4.7kΩ; Rg = 2.2kΩ, unless

otherwise specified.)

Symbol

Parameter

VS

Supply Voltage

Id

Quiescent Current

PLAYBACK AMPLIFIER

GVO

VCD

VO

SVR

Open Loop Gain

Output DC Voltage

Output AC Voltage

Supply Voltage Rejection

CT

Cross Talk

EN

Total Output Noise

RE

Internal Feedback Res

RECORDING AMPLIFIER

GVO

Open Loop Gain

Ri

Input resistance

VDC

Output DC Voltage

VO

Output AC Voltage

THD

Total Harmonic Distortion

ALC Range

CB

Channel Balance

SVR

Supply Voltage Rejection

CT

Cross Talk

HEAD SELECT INPUT

Input LOW Level

Input HIGH level

Test Condition

THD = 1%

f = 100Hz

Rg = 0, BW = 22 to 22kHz

THD = 1%

ALC = OFF

ALC = ON

VO = 0.5Vrms; ALC = OFF

∆VO = 3dB

ALC = ON

f = 100Hz

f = 1KHz

chB selected

chA seleced

Min. Typ. Max. Unit

4

12

V

7

15

mA

80

dB

1.2

1.5

1.7

V

700 950

mVrms

35

45

dB

60

dB

300

µV

180

kΩ

80

dB

30

50

70

kΩ

2.0

2.4

2.8

V

1

1.4

Vrms

0.75

1

1.25 Vrms

0.2

0.5

%

48

dB

0

2

dB

28

32

dB

60

dB

0.6

V

1.4

V

3/6

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