M52342SP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

MFG CO.

M52342SP

PLL-SPLIT VIF/SIF IC

MITSUBISHI ELECTRIC  

Pin 9 (AUDIO F/B)

5kΩ

5kΩ

MITSUBISHI ICs (TV)

M52342SP

PLL-SPLIT VIF/SIF IC

terminal voltage : 2.1V

9

The FM detector can respond to several kinds of SIF signals without an

adjustment and external components by adopting the PLL technique.

It also is in compliance with the multi-SIF by selecting an appropriate

deemphasis and audio output amplifier using the pin12 switch.

The capacitor between pin 9 and 10, which fixes the deemphasis

characteristics, can be determined considering the combination of an

equivalent resistance of the IC and this capacitor itself.

Pin 10 (AF OUTPUT)

In the 4.5MHz application, the internal voltage gain is increased by 6-dB in

comparison with the other applications and then the signals are delivered

through an emitter follower.

10

terminal voltage : 2.2V

Pin 11 (LIMITER INPUT)

Bias

11

8kΩ

8kΩ

The input impedance is 8kΩ.

Pin 12 (AFT SW, NP SW)

SIF4.5MHz : H

Others : L

10kΩ

VCC (5V)

2kΩ

12

22kΩ

AFT Defeat :H

AFT ON :L

It works as a switch by connecting the resistor to 5V(High)

of GND(Low), alternately.

10kΩ

H

H

L

L

20kΩ

H

L

H

L

AF AMP

AFT

Pin 12

applied voltage

4.5MHz

4.5MHz

OTHER

OTHER

DEFFET

NORMAL

DEFFET

NORMAL

4.4 to 5.0V

2.7 to 4.0V

1.0 to 2.3V

0 to 0.6V

The terminal voltage is set by the external resistors

because of an open base input.

11

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