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M52342FP

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M52342FP 技术参数

M52342FP

PLL-Split VIF/SIF IC

REJ03F0165-0200

Rev.2.00

Jun 14, 2006

Description

The M52342FP is IF signal-processing IC for VCRs and TVs. It enables the PLL detection system despite size as small

as that of conventional quasi-synchronous VIF/SIF detector, IF/RF AGC, SIF limiter, FM detector, QIF AGC and EQ

AMP.

Features

•

Video detection output is 2 V_P-P. It has built-in EQ AMP.

The package is a 24-pin flat package, suitable for space saving.

The video detector uses PLL for full synchronous detection circuit. It produces excellent characteristics of DG, DP,

920 kHz beat, and cross color.

•

Dynamic AGC realizes high-speed response with only single filter.

Video IF and sound IF signal processing are separated from each other. VCO output is used to obtain intercarrier.

This PLL-SPLIT method and built-in QIF AGC provide good sound sensitivity and reduces buzz.

As AFT output voltage uses the APC output voltage, VCO coil is not used.

Audio FM demodulation uses PLL system, so it has wide frequency range with no external parts and no adjustment.

•

Application

TV sets, VCR tuners

Recommended Operating Condition

•

In case of V_CCand Vreg. OUT short

Supply voltage range: 4.75 to 5.25 V

Recommended supply voltage: 5.0 V

Incase of Vreg. OUT open

•

Supply voltage range: 8.5 to 12.5 V

Rev.2.00 Jun 14, 2006 page 1 of 18

12 3 4 5 6 7...19

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