L6472PD Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

L6472PD

Fully integrated microstepping motor driver

STMicroelectronics 

L6472

Electrical characteristics

Symbol

Table 5. Electrical characteristics (continued)

Parameter

Test condition

Min. Typ. Max. Unit

Integrated analog-to-digital converter

NADC

VADC,ref

fS

Analog-to-digital converter resolution

Analog-to-digital converter reference

voltage

Analog-to-digital converter sampling

frequency

5

bit

VREG

V

fOSC/

512

kHz

1. Accuracy depends on oscillator frequency accuracy.

2. Tested at 25 °C in a restricted range and guaranteed by characterization.

3.

Rise

time.

and

fall

time

depends

on

motor

supply

voltage

value.

Refer

to

SRout

values

in

order

to

evaluate

the

actual

rise

and

fall

4. Not valid for the STBY/RST pin which has an internal pull-down resistor.

5. Not valid for the SW and CS pins which have an internal pull-up resistor.

6. FLAG, BUSY and SYNC open drain outputs included.

7. See Figure 19: SPI timings diagram on page 38 for details.

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