EL4583C
Sync Separator, 50% Slice, S-H, Filter, H
OUT
Dynamic Characteristics
RF = 22kW, RSET = 681kW, VDD = 5V, Video Input = 1VP-P, TA = 25°C, CL = 15pF, IOH = -1.6mA, IOL = 1.6mA
Parameter
Horizontal Pulse Width, Pin 15, tH
Vertical Sync Width, Pin 5, tVS
Burst/Back Porch Width, Pin 11, tB
Filter Attenuation
Description
Min
Typ
5
Max
Unit
[1]
[2]
[1]
3.8
6.2
µs
µs
µs
dB
ns
V
195
3.7
12
2.7
4.7
FIN = 3.6MHz [3]
Comp. Sync Prop. Delay, tCS
Input Dynamic Range
VIN (Pin 4)—Comp Sync
p-p NTSC Signal
250
400
2
0.4
40
Input Voltage = 1Vp-p
VSLICE/VBLANK
50
50
60
Slice Level
%
40
60
Level Out, Pin 9
Input Voltage = 1Vp-p, Pin 4
[4]
500
27
600
36
700
57
mV
µs
Vertical Sync Default Time, tVSD
Loss of Signal Time-Out
Burst/Back Porch Delay, tBD
Pin 10
400
600
250
800
400
µs
See Figure 4
ns
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
3
ELANTEC [ ELANTEC SEMICONDUCTOR ]
