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L6474 Scheda tecnica(PDF) 13 Page - STMicroelectronics

Il numero della parte L6474
Spiegazioni elettronici  easySPIN ??fully integrated microstepping motor driver
PDF  51 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6474 Scheda tecnica(HTML) 13 Page - STMicroelectronics

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L6474
Electrical characteristics
Doc ID 022529 Rev 2
13/51
VADC,ref
Analog to digital converter reference voltage
VREG
V
fS
Analog to digital converter sampling
frequency
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 and fall time depends on motor supply voltage value. Refer to SRout values (Table 5) in order to evaluate the actual
rise and fall time.
4.
Not valid for STBY/RST pins which have internal pull-down resistor.
5.
Not valid for SW and CS pins which have internal pull-up resistor.
6.
FLAG and SYNC open drain outputs included.
7.
See Figure 13– SPI timings diagram for details.
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit



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