EL4583CS datasheet(3/12 Pages) ELANTEC

3 / 12 page

EL4583C

Sync Separator, 50% Slice, S-H, Filter, HOUT

Dynamic Characteristics

RF = 22kΩ, RSET = 681kΩ, VDD = 5V, Video Input = 1VP-P, TA = 25°C, CL = 15pF, IOH = -1.6mA, IOL = 1.6mA

Parameter

Description

Min

Typ

Max

Unit

Horizontal Pulse Width, Pin 15, tH

[1]

3.8

6.2

µs

Vertical Sync Width, Pin 5, tVS

[2]

195

µs

Burst/Back Porch Width, Pin 11, tB

[1]

2.7

3.7

4.7

µs

Filter Attenuation

FIN = 3.6MHz [3]

Comp. Sync Prop. Delay, tCS

VIN (Pin 4)—Comp Sync

250

400

Input Dynamic Range

p-p NTSC Signal

0.4

Slice Level

Input Voltage = 1Vp-p

VSLICE/VBLANK

Level Out, Pin 9

Input Voltage = 1Vp-p, Pin 4

500

600

700

Vertical Sync Default Time, tVSD

[4]

µs

Loss of Signal Time-Out

Pin 10

400

600

800

µs

Burst/Back Porch Delay, tBD

See Figure 4

250

400

1. Width is a function of RSET

2. c/s, Vertical, Back porch and H are all active low, VOH = 0.8V; vertical is 3H lines wide of NTSC signal

3. Attenuation is a function of RF. See filter typical characteristics

4. Vertical pulse width in absence of serrations on input signal

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