L297-L297D
MOTOR DRIVING PHASE SEQUENCES
(continued)
WAVE DRIVE MODE
Wave drive mode (also called ”one-phase-on” drive) is selected by a low level on the HALF/FULL input
when the translator is at an even numbered state (2, 4, 6 or 8).
ELECTRICAL CHARACTERISTICS
(Refer to the block diagram T
amb
= 25
°
C, V
s
= 5V unless otherwise
specified)
Symbol
V
s
I
s
V
i
Parameter
Supply voltage (pin 12)
Quiescent supply current (pin 12)
Input voltage
(pin 11, 17, 18, 19, 20)
Input current
(pin 11, 17, 18, 19, 20)
Enable input voltage (pin 10)
Outputs floating
Low
High
I
i
V
i
= L
V
i
= H
V
en
Low
High
I
en
Enable input current (pin 10)
V
en
= L
V
en
= H
V
o
Phase output voltage
(pins 4, 6, 7, 9)
Inhibit output voltage (pins 5, 8)
I
o
= 10mA
I
o
= 5mA
V
inh
I
o
= 10mA
I
o
= 5mA
V
SYNC
Sync Output Voltage
I
o
= 5mA
I
o
= 5mA
6/11
V
OL
V
OH
V
inh L
V
inh H
V
SYNC H
V
SYNC V
3.9
3.3
0.8
3.9
0.4
2
2
100
Test conditions
Min.
4.75
50
Typ
Max.
7
80
0.6
V
s
µ
A
10
1.3
V
s
100
10
0.4
µ
A
V
V
µ
A
µ
A
V
V
V
V
V
Unit
V
mA
V
V
STMICROELECTRONICS [ STMICROELECTRONICS ]
