Rainbow-electronics MAX4912 Manuel d'utilisateur télécharger pdf (Page 10)

MAX4910/MAX4911/MAX4912

Quad-SPDT, Clickless Audio Switches

with Negative Signal Handling

10 ______________________________________________________________________________________

< 5ns

50%

LOGIC

INPUT

COM_

GND

CB_

INCLUDES FIXTURE AND STRAY CAPACITANCE.

NO_

OFF

NO_

OR NC_

0.8 x V

0UT

0.8 x V

OUT

SWITCH

OUTPUT

LOGIC

INPUT

CB DEPENDS ON SWITCH CONFIGURATION;

INPUT POLARITY DETERMINED BY SENSE OF SWITCH.

OUT

MAX4910

MAX4911

MAX4912

Test Circuits/Timing Diagrams

Figure 2. Switching Time

50%

LOGIC

INPUT

OUT

0.8 x V

OUT

BBM

LOGIC

INPUT

GND

INCLUDES FIXTURE AND STRAY CAPACITANCE.

NO_

CB_

NC_

OUT

COM_

MAX4910

MAX4911

MAX4912

Figure 3. Break-Before-Make Interval

GEN

GND

COM_

OUT

CB_

OFF

∆V

OUT

Q = (∆V

OUT

)(C

)

NC_

LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES

THAT HAVE THE OPPOSITE LOGIC SENSE.

OFF

CB_

TO V

GEN

CB_

OR NO_

MAX4910

MAX4911

MAX4912

Figure 4. Charge Injection

1 2 ... 5 6 7 8 9 10 11 12 13

MAX4910/MAX4911/MAX4912 1

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Rainbow-electronics MAX4912 Manuel d'utilisateur Page 10

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