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).

Symbol

Parameter

Test conditions

Min.

Typ

Max.

Unit

Supply voltage (pin 12)

4.75

7

V

Quiescent supply current (pin 12)

Outputs floating

50

80

mA

Input voltage

(pin 11, 17, 18, 19, 20)

Low

0.6

V

High

2

V

Input current

(pin 11, 17, 18, 19, 20)

100

µA

10

µA

Enable input voltage (pin 10)

Low

1.3

V

High

2

V

Enable input current (pin 10)

100

µA

10

µA

Phase output voltage

(pins 4, 6, 7, 9)

0.4

V

3.9

V

Inhibit output voltage (pins 5, 8)

0.4

V

3.9

V

Sync Output Voltage

3.3

V

0.8

specified)

6/11

L297