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U3661MMFP, U3665B, U3665M

Table of contents:
Info of U3661MMFP
Info of U3665B
Info of U3665M

U3661MMFP, U3665B, U3665M Selling Leads, Datasheet

MFG:tfk Package Cooled:tfk D/C:dc95

U3661MMFP, U3665B, U3665M Datasheet download

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Part Number: U3661MMFP

MFG: tfk

Package Cooled: tfk

D/C: dc95

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U3665M General Description

The integrated delay line circuit U3665M is suitable for all chroma decoders with baseband color-difference outputs. It is suitable for PAL-, SECAM- andNTSC-signals as well. The U3665M 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. In the case of the U3665M, the postfilter is tuned to Bessel-characteristic. 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.

U3665M Maximum Ratings

Characteristic	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 at Pins 5, 11, 12, 14 and 16	V_N	0.5		V_S	V
Output currents, (Pins 11 and 12)	I_out			20	mA
power dissipation	P			1.1	W
Storage temperature range	T_stg	-25		+150	°C
Electrostatic protection* for input/output pins				500	V

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

U3665M 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 colordifference signals
` Correction of phase errors in the PAL system

U3665M Typical Application

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

U3665M Connection Diagram

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