EL4453 Elantec Semiconductor, EL4453 Datasheet
EL4453
Available stocks
Related parts for EL4453
EL4453 Summary of contents
Page 1
... We recommend checking the revision level before finalization of your design documentation 1995 Elantec Inc EL4453C Video Fader General Description The EL4453C is a complete fader subsystem It variably blends two inputs together for such applications as video picture-in- picture effects The EL4453C operates ...
Page 2
... EL4453C Video Fader Absolute Maximum Ratings V Positive Supply Voltage Supply Voltage Voltage at any Input or Feedback IN V Difference between Pairs IN of Inputs or Feedback Important Note All parameters having Min Max specifications are guaranteed The Test Level column indicates the specific device testing actually ...
Page 3
... Input-Referred Noise Voltage Density N F Feedthrough of Faded-Out Channel Differential Gain Error V OFFSET d Differential Phase Error V OFFSET Test Circuit Note For typical performance curves Sum a e otherwise noted EL4453C Sum Sum FADE Min Typ ...
Page 4
... EL4453C Video Fader Typical Performance Curves Frequency Response Frequency Response for Various Loads Bandwidth and Peaking b vs Supply Voltage Frequency Response vs Gain 4453 – 3 Frequency Response for Various Loads V 4453 – Bandwidth and Peaking b vs Die Temperature 4453 – ...
Page 5
... Input Offset Voltage for Gain e 5V 100% 75% 50% and 25 4453 – EL4453C Video Fader Input Voltage and Current Noise vs Frequency 4453 – 11 Differential Gain Error IN 100% 75% 50% and 25% e 4453 – 15 Differential Phase Error e ...
Page 6
... EL4453C Video Fader Typical Performance Curves Nonlinearity vs V Signal Span IN Slew Rate vs Supply Voltage V A Gain FADE Contd Nonlinearity vs Sum Signal Span 4453 – 12 Slew Rate vs Die Temperature 4453 – 18 Frequency Response of Fade Input 4453 – 4453 – 13 4453 – 19 ...
Page 7
... A Transient Response for Various Gains IN Supply Current vs Supply Voltage Contd Overdrive Recovery Glitch from V No Input Signal FADE 4453 – 22 Cross-Fade Balance with V 4453 – 24 Supply Current vs Die Temperature 4453 – EL4453C Video Fader 4453 – 4453 – 25 4453 – 27 ...
Page 8
... EL4453C Video Fader Applications Information The EL4453C is a complete two-quadrant fader gain control with 80 MHz bandwidth It has four sets of inputs a differential signal input V differential signal input differential IN fade-controlling input V ferential input Sum which can be used to add third input at full gain This is the general con- ...
Page 9
... B Sum OUT H B and the gains vary linearly between fade ex- tremes The EL4453C is stable for a direct connection be- Contd tween V and V OUT and A gain of 1 The feedback divider may be used for a higher output gain although with the traditional loss of bandwidth It is important to keep the feedback dividers’ ...
Page 10
... Additionally the differential voltage on any input stage must be limited to vent damage The differential signal range the EL4453C The input range is sub- g stantially constant with temperature The Ground Pin The ground pin draws only 6 current and may be biased anywhere between ...
Page 11
... This allows 15V operation over the commercial g temperature range but higher ambient tempera- ture or output loading may require lower supply % and the voltages Output Loading The output stage of the EL4453C is very power- ful It typically can source 80 mA and sink PAR ...
Page 12
... EL4453C Video Fader General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown Elantec Inc reserves the right to make changes in the circuitry or specifications contained herein at any time without notice Elantec Inc assumes no responsibility for the use of any ...