NJM3771

s ELECTRICAL CHARACTERISTICS

Electrical characteristics over recommended operating conditions, unless otherwise noted. -20

°C < T

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

General

Supply current

I

CC

-38

50

mA

Total power dissipation

P

D

V

mA, I

1.4

1.6

W

Notes 2, 3.

V

1.6

1.8

W

Notes 2, 3.

Turn-off delay

t

d

T

-

1.0

1.5

µs

Note 3.

Logic Inputs

Logic HIGH input voltage

V

IH

2.0

-

-

V

Logic LOW input voltage

V

IL

-

-

0.6

V

Logic HIGH input current

I

IH

V

-

-

20

µA

Logic LOW input current

I

IL

V

-0.4

-

-

mA

Reference Inputs

Input resistance

R

R

T

-

5

-

kohm

Input current

I

R

T

0.5

1.0

mA

Turn-off voltage

V

TO

20

29

38

mV

Comparator Inputs

Threshold voltage

V

CH

R

430

450

470

mV

| V

V

CH,diff

R

-

1

-

mV

Input current

I

C

-10

-

1

µA

Motor Outputs

Lower transistor saturation voltage

I

-

1.00

1.20

V

Lower transistor leakage current

V

-

-

300

µA

Lower diode forward voltage drop

I

-

1.10

1.25

V

Upper transistor saturation voltage

I

-

1.20

1.35

V

Upper transistor leakage current

V

-

-

300

µA

Upper diode forward voltage drop

I

-

1.00

1.25

V

Chopper Oscillator

Chopping frequency

f

s

C

25.0

26.5

28.0

kHz

s THERMAL CHARACTERISTICS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Thermal resistance

Rth

J-GND

DIP package.

-

11

-

°C/W

Rth

J-A

DIP package. Note 2.

-

40

-

°C/W

Rth

J-GND

PLCC package.

-

9

-

°C/W

Rth

J-A

PLCC package. Note 2.

-

35

-

°C/W

Rth

J-GND

EMP package.

-

13

-

°C/W

Rth

J-A

EMP package. Note 2.

-

42

-

°C/W

Notes

1. All voltages are with respect to ground. Currents are positive into, negative out of specified terminal.

3. Not covered by final test program.

4. Switching duty cycle D = 30%, f