3967 datasheet(3/16 Pages) ALLEGRO

номер детали	3967

подробное описание детали	MICROSTEPPING DRIVER WITH TRANSLATOR

PDF	16 Pages

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производитель	ALLEGRO [Allegro MicroSystems]

домашняя страница	http://www.allegromicro.com

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3 / 16 page

3967

MICROSTEPPING DRIVER

WITH TRANSLATOR

www.allegromicro.com

ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 3.0 V to 5.5V (unless otherwise

noted)

Limits

Characteristic

Symbol Test Conditions

Min.

Typ.

Max.

Units

Output Drivers

Load Supply Voltage Range

VBB

Operating

4.75

–

During sleep mode

–

Output Leakage Current

ICEX

VOUT = VBB

–

<1.0

µA

VOUT = 0 V

–

<-1.0

-20

µA

Output Saturation Voltage

VCE(sat)

Source driver, IOUT = -750 mA

–

1.9

2.1

Source driver, IOUT = -400 mA

–

1.7

2.0

Sink driver, IOUT = 750 mA

–

0.65

1.3

Sink driver, IOUT = 400 mA

–

0.21

0.5

Clamp Diode Forward Voltage

IF = 750 mA

–

1.4

1.6

IF = 400 mA

–

1.1

1.4

Motor Supply Current

IBB

Outputs enabled

–

5.0

RESET high

–

200

µA

Sleep mode

–

µA

Control Logic

Logic Supply Voltage Range

VCC

Operating

3.0

5.0

5.5

Logic Input Voltage

VIN(1)

0.7VCC

––

VIN(0)

–

0.3VCC

Logic Input Current

IIN(1)

VIN = 0.7VCC

-20

<1.0

µA

IIN(0)

VIN = 0.3VCC

-20

<1.0

µA

Maximum STEP Frequency

fSTEP

500*

–

kHz

Blank Time

tBLANK

Rt = 56 kΩ, Ct = 680 pF

700

950

1200

Fixed Off Time

toff

Rt = 56 kΩ, Ct = 680 pF

µs

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