EL4583A Datasheet (Renesas)

EL4583A, Sync Separator

MIN TYP MAX IDD Clamp Voltage VDD = 5V (Note 1) Pins 4, 8, unloaded 2.5 4 1.3 1.55 1.8 Discharge Current Discharge Current Pins 4, 8, with Signal (VIN = 2V) Pins 4, 8, no Signal (Note 2) 3 6 12 10 Clamp Charge Current Ref.

Voltage VREF Filter Reference Voltage, VFR Level Reference Current P

EL4583A Sync Separator, 50% Slice, S-H, Filter, HOUT The EL4583A extracts timing from video sync in NTSC, PAL, and SECAM systems, and non-standard formats, or from computer graphics operating at higher scan rates.

Timing adjustment is via an external resistor.

Input without valid vertical interval (no serration pulses) produces a default vertical output.

Outputs are: composite sync, vertical sync, filter, burst/back porch, horizontal, no signal detect, level, and odd/even output (in interlaced

EL4583A Features

* NTSC, PAL, and SECAM sync separation

* Single supply, +5V operation

* Precision 50% slicing

* Built-in programmable color burst filter

* Decodes non-standard vertical

* Horizontal sync output

* Sync pulse amplitude output

* Low-power