Rainbow-electronics MAX4885 Bedienungsanleitung PDF herunterladen (Seite 7)

MAX4885

Complete VGA 1:2 or 2:1 Multiplexer

_______________________________________________________________________________________ 7

< 5ns

50%

LOGIC

INPUT

R0, G0, B0

GND

SEL

INCLUDES FIXTURE AND STRAY CAPACITANCE.

OUT

= V

N_ (

)

+ R

V+

OFF

R1, G1, B1

R2, G2, B2

0.9 x V

0UT

0.9 x V

OUT

SWITCH

OUTPUT

LOGIC

INPUT

IN DEPENDS ON SWITCH CONFIGURATION;

INPUT POLARITY DETERMINED BY SENSE OF SWITCH.

V+

OUT

MAX4885

50%

Timing Circuits/Timing Diagrams

INPUT

OUTPUT

PHL

PLH

SKEW

= | t

PLH

- t

PHL

= MAX (t

PLH

, t

PHL

)

50%

0.9V

50%

= R

= 50Ω

= 10pF

GEN

GND

OUT

V+

OUT

OFF

∆V

OUT

Q = (∆V

OUT

)(C

)

LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES

THAT HAVE THE OPPOSITE LOGIC SENSE.

OFF

TO V

V+

GEN

SEL

MAX4885

R0, G0, B0

R1, G1, B1

R2, G2, B2

Figure 1. Switching Time

Figure 2. Propagation Delay and Skew Waveforms

Figure 3. Charge Injection

1 2 3 4 5 6 7 8 9 10 11 12 13

*EP = Exposed pad 1
+Denotes lead-free package 1
ABSOLUTE MAXIMUM RATINGS 2
ELECTRICAL CHARACTERISTICS 2
AC ELECTRICAL CHARACTERISTICS 3
TIMING CHARACTERISTICS 4
(V+ = +5.0V, V 5
= +3.3V and T 5
Figure 1. Switching Time 7
Figure 3. Charge Injection 7
Pin Description 8
Detailed Description 9
Pin Description (continued) 9
Applications Information 10
Chip Information 11
Functional Diagram 12
Package Information 13

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