LA7282 データシートの表示（PDF） - SANYO -> Panasonic

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LA7282

VCR Audio Signal Recording / Playback Processor

SANYO -> Panasonic 

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Pin No.

Function

15 LP Switch

LA7282, 7282M

Unit (resistance : Ω)

Terminal Circuit

Description

Sets the high peaking point to the frequency suitable for LP.

On resistance : 15Ω typ.

Input impedance : 60kΩ typ.

16 REC AMP NFB

Connecting an L, C, R network to this pin causes a peaking frequency to rise.

17 REC AMP Output

Output impedance : 40Ω typ.

18 Ripple Filter

Connecting a electrolytic capacitor across this pin and GND smoothes ripples.

19 Supply Voltage

(VCC)

20 LP Control

21 EP Control

22 MUTE Control

23 PB Control

24 REC Control

VCC=15V max

VCC=11.25 - 12.75V typ.

Applying 3.5V DC or more (6.0V max) to this pin turns on LP switch (pin 15).

The switch turns off at 0.8V or below.

Applying 3.5V DC or more (6.0V max.) to this pin turns on EP switch (pin 4, 5)

and LP switch (pin 15). The switches turn off at 0.8V or below.

Applying 3.8V DC or more (6.0V max.) to this pin turns on mute circuit. The

mute is desabled at 1.0V or below.

[Control mode]

Mode

MUTE [L]

MUTE [H]

LINE AMP REC AMP LINE AMP REC AMP

PB Mode

EE Mode

REC Mode

°°°

×

°°

×

×

°

×

×

×

°[ : Pass signal, × : Block signal]

Applying 3.3V DC or more (6.0V max.) to this pin enters EE mode and 1.0V or

below PB mode.

Applying 3.0V DC or more (up to VCC) to this pin enters REC mode and 1.0V

or below EE mode.

No.4040–6/7

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