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
CC
and 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
RENESAS [ RENESAS TECHNOLOGY CORP ]
