NJM3777E3 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJM3777E3

DUAL STEPPER MOTOR DRIVER

Japan Radio Corporation  

s ABSOLUTE MAXIMUM RATINGS

Parameter

Voltage

Logic supply

Motor supply

Logic inputs

Analog inputs

Current

Motor output current

Logic inputs

Analog inputs

Temperature

Operating junction temperature

Storage temperature

Power Dissipation (Package Data)

Power dissipation at TGND = +25°C

Power dissipation at TGND = +125°C

NJM3777

Pin No.

13

5, 20

10, 11, 14, 15

8, 9, 16, 17

2, 4, 21, 23

10, 11, 14, 15

8, 9, 16, 17

Symbol Min

VCC

0

VMM

0

VI

-0.3

V

-0.3

A

IM

-900

II

-10

IA

-10

TJ

-40

TS

-55

PD

-

PD

-

Max

Unit

7

V

45

V

6

V

V

V

CC

+900

mA

-

mA

-

mA

+150

°C

+150

°C

5

W

2

W

s RECOMMENDED OPERATING CONDITIONS

Parameter

Logic supply voltage

Motor supply voltage

Output emitter voltage

Motor output current

Operating junction temperature

Rise and fall time logic inputs

Oscillator timing resistor

Symbol Min

Typ

VCC

4.75

5

V

10

-

MM

VE

-

-

IM

-800

-

TJ

-20

-

tr,, tf

-

-

RT

2

12

Max

Unit

5.25

V

40

V

1.0

V

+800

mA

+125

°C

2

µs

20

kΩ

Phase 1

Dis1 VR1

C1

NJM3777

10 11 8

9

I CC

VCC 13

VCC

–

+

E1

3

RQ

S

Logic

12 kΩ

RT

IRC RC 12

VCC

4 700 pF

CT

VI

V

VIH

VA

V

IL

R

I I I IH I IL

IR IA

VRC

+

–

Logic

+

SQ

R

–

15 14 17

16

Phase 2

Dis 2 VR2

C2

IC

IA

VCH

V

VC

A

6, 7, 18, 19

GND

22

E2

VE

RS

4 M A1

2 M B1

5 VMM1

20 VMM2

23 M B2

21 M A2

I MM

IM IOL

VM

V MA

VMM

Figure 4. Definition of symbols

| V MA – VMB |

50 %

t on

t off

t

VE ( IM )

td

V

CH

V

RC

t

tb

fs =

1

ton + toff

t

D=

ton

ton + toff

Figure 5. Definition of terms

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