DC ELECTRICAL CHARACTERISTICS at T

Limits

Characteristic

Symbol

Test Conditions

Min

Typ

Max

Units

FET Leakage Current

I

DSS

V

—

—

4.0

mA

FET ON Voltage

V

DS(ON)

SLA7042M, I

—

—

800

mV

SLA7044M, I

—

—

855

mV

FET ON Resistance

r

DS(on)

SLA7042M, I

—

—

0.67

Ω

SLA7044M, I

—

—

0.285

Ω

Body Diode Forward Voltage

V

SD

SLA7042M, I

—

—

1.2

V

SLA7044M, I

—

—

1.6

V

Control Supply Voltage

V

DD

Operating

4.5

5.0

5.5

V

Control Supply Current

I

DD

Each controller, V

—

—

7.0

mA

Logic Input Voltage

V

IN(1)

3.5

—

—

V

V

IN(0)

—

—

1.5

V

Logic Input Current

I

IN(1)

V

—

—

1.0

µA

I

IN(0)

V

—

—

–1.0

µA

REF/ENABLE Input Voltage

V

REF/EN

DATA, CLOCK, STROBE, and OUT Enabled

0.4

—

2.5

V

DATA, CLOCK, STROBE, and OUT Disabled

V

—

—

V

REF/ENABLE Input Current

0 V

≤ V

—

—

±1.0

µA

Step Reference

SRCR

DATA Input = 000X

—

0

—

%

Current Ratio

DATA Input = 001X

—

20

—

%

DATA Input = 010X

—

40

—

%

DATA Input = 011X

—

55.5

—

%

First Bit Entered (X) = Phase

DATA Input = 100X

—

71.4

—

%

Second Bit Entered = LSB

DATA Input = 101X

—

83

—

%

Last Bit Entered = MSB

DATA Input = 110X

—

91

—

%

DATA Input = 111X

—

100

—

%

NOTE: Negative current is defined as coming out of (sourcing) the specified device pin.

Ground

PWM OFF Time

DATA Input = 001X ................................................................. 7

DATA Input = 010X ................................................................. 7

DATA Input = 011X ................................................................. 9

DATA Input = 100X ................................................................. 9

DATA Input = 101X ................................................................. 9

DATA Input = 110X ................................................................ 11

DATA Input = 101X ................................................................ 11

Output RiseTime

10% to 90% ........................................................................... 0.5

Output Fall Time

90% to 10% ........................................................................... 0.1

Strobe-to-Output Switching Time

50% to 50% ........................................................................... 0.7

MICROSTEPPING,

UNIPOLAR PWM, HIGH-CURRENT

MOTOR CONTROLLER/DRIVERS