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U3661M, U3661MA, U3661MM

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Info of U3661M
Info of U3661MA
Info of U3661MM

U3661M, U3661MA, U3661MM Selling Leads, Datasheet

MFG:DIP-16P Package Cooled:DIP D/C:98+

U3661M, U3661MA, U3661MM Datasheet download

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Part Number: U3661M

MFG: DIP-16P

Package Cooled: DIP

D/C: 98+

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U3661M General Description

The integrated delay line circuit U3661M is suitable for all chroma decoders with baseband color-difference outputs. It is suitable for PAL-, SECAM- and NTSC-signals as well. The U3661M contains two separate delay lines for processing (RY)-output and (BY)-output separately. The delay is performed by internally switched capacitors. On-chip postfiltering avoids the need for external filter components.

A summing circuitry combines the information of adjacent TV-lines, thus giving an interpolated sum for the PAL-system, storing preceeding lines for the SECAMsystem and providing a comb-filtered output for NTSC-signals. Due to internally-generated timing, synchronization is easily done by feeding a line-frequent impulse (usually the SC-impulse) to the sync-input of the IC.

U3661M Maximum Ratings

Parameters	Symbol	Min.	Typ.	Max.	Unit
Supply voltage(Pin 9)	V_DD1	-0.5		+7	V
Supply voltage(Pin 1)	V_DD2	-0.5		+7	V
Voltage on Pins 5,11,12,14 and16	V_n	-0.5		VS	V
Output current (Pin 11, Pin2)	I_out			20	mA
Power dissipation	P			1.1	W
Storage temperature range	T_stg	-25		+150
Electrostatic protection* for input/output pins				500	V

* MIL standard 883D, method 3015.7 machine model (all power pins connected together)

U3661M Features

` One line delay time, addition of delayed and non-delayed output signals
` Adjustment-free application, VCO without external components
` Handles negative or positive color-difference input signals
` Clamping of ac-coupled input signals [±(RY) and ±(BY)]
` Line-locked by the sandcastle pulse
` No crosstalk between SECAM color carriers (diaphoty)
` Comb filtering functions for NTSC color-difference signals
` Correction of phase errors in the PAL system

U3661M Typical Application

In TV sets, the integrated baseband delay line circuit is suitable for decoders with color-difference signal outputs

U3661M Connection Diagram

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