max5440eagt Maxim Integrated Products, Inc., max5440eagt Datasheet - Page 10

• Manufacturer Part Number: max5440eagt
• Description: Max5440 Stereo Volume Control With Rotary Encoder Interface
• Manufacturer: Maxim Integrated Products, Inc.

Stereo Volume Control
with Rotary Encoder Interface
Figure 4a. Wiper Transition Timing Diagram—Suppression Circuitry Active
10
______________________________________________________________________________________
USER ROTATES ENCODER
00
01
WIPER MOTION
V
V
H_
L_
IS BOUNCING
CONTACT
SWITCH
DEBOUNCE BY WAITING
FOR STABLE LOW, t
t
LPW
IS STABLE
CONTACT
SWITCH
LPW
ZERO CROSSING, t
WAIT FOR FIRST
INPUT ACCEPTED
t
WS
WS
WIPER MOVES HERE
2dB STEPS
SWITCH CONTACT
IS BOUNCING
DEBOUNCE BY WAITING
FOR STABLE HIGH, t
t
HPW
HPW