MAX5440(2006) Просмотр технического описания (PDF) - Maxim Integrated

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MAX5440
(Rev.:2006)

Stereo Volume Control with Rotary Encoder Interface

Maxim Integrated 

Stereo Volume Control

with Rotary Encoder Interface

SWITCH CONTACT

IS BOUNCING

SWITCH

CONTACT

IS STABLE

01

INPUT ACCEPTED

00

tWS

WAIT FOR FIRST

ZERO CROSSING OR

tLPW

TIMEOUT, tWS

DEBOUNCE BY WAITING

FOR STABLE LOW, tLPW

SWITCH CONTACT

IS BOUNCING

READY TO ACCEPT ANOTHER

ENCODER INPUT SIGNAL

tHPW

DEBOUNCE BY WAITING

FOR STABLE HIGH, tHPW

VH

VL

(tLPW + tWS)

Figure 4b. Wiper Transition Timing Diagram—Timed Out

WIPER MOVES HERE

2dB STEPS

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