L6472PD 데이터 시트보기 (PDF) - STMicroelectronics

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L6472PD

Fully integrated microstepping motor driver

STMicroelectronics 

L6472

Electrical characteristics

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

IIL

Low logic level input current(5)

VOL

Low logic level output voltage (6)

VOH High logic level output voltage

RPU RPD

CS pull-up and STBY pull-down

resistors

VIN = 0 V

VDD = 3.3 V, IOL = 4 mA

VDD = 5 V, IOL = 4 mA

VDD = 3.3 V, IOH = 4 mA

VDD = 5 V, IOH = 4 mA

CS = GND; STBY/RST = 5 V

Ilogic Internal logic supply current

3.3 V VREG externally supplied,

internal oscillator

Ilogic,STBY

Standby mode internal logic supply

current

3.3 V VREG externally supplied

fSTCK Step-clock input frequency

Internal oscillator and external oscillator driver

Min. Typ. Max. Unit

-1

µA

0.3

V

0.3

2.4

V

4.7

335 430 565 k

3.7 4.3 mA

2 2.5 µA

2 MHz

fosc,i

fosc,e

Internal oscillator frequency

Programmable external oscillator

frequency

VOSCOUTH

OSCOUT clock source high level

voltage

VOSCOUTL

OSCOUT clock source low level

voltage

trOSCOUT

tfOSCOUT

textosc

OSCOUT clock source rise and fall

time

Internal to external oscillator

switching delay

tintosc

External to internal oscillator

switching delay

Tj = 25 °C, VREG = 3.3 V

-3% 16

8

Internal oscillator 3.3 V VREG

externally supplied; IOSCOUT = 4 mA

2.4

Internal oscillator 3.3 V VREG

externally supplied; IOSCOUT = 4 mA

Internal oscillator

3

1.5

+3% MHz

32 MHz

V

0.3 V

20 ns

ms

µs

SPI

fCK,MAX

trCK

tfCK

thCK

tlCK

tsetCS

tholCS

tdisCS

tsetSDI

tholSDI

tenSDO

Maximum SPI clock frequency(7)

SPI clock rise and fall time(7)

SPI clock high and low time(7)

Chip select setup time(7)

Chip select hold time(7)

De-select time(7)

Data input setup time(7)

Data input hold time(7)

Data output enable time(7)

CL = 30 pF

5

MHz

25 ns

75

ns

350

ns

10

ns

800

ns

25

ns

20

ns

38 ns

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