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L6472 датащи(PDF) 15 Page - STMicroelectronics

номер детали L6472
подробное описание детали  dSPIN fully integrated microstepping motor driver
PDF  69 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6472 датащи(HTML) 15 Page - STMicroelectronics

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L6472
Electrical characteristics
Doc ID 022729 Rev 1
15/69
tcpwu
Charge pump power-on and
wake-up time
Power bridges disabled, Cp =
10nF, Cboot = 220nF
650
µs
Internal voltage regulator
VREG
Voltage regulator output
voltage
2.9
3
3.2
V
IREG
Voltage regulator output
current
40
mA
VREG, drop
Voltage regulator output
voltage drop
IREG = 40mA
50
mV
IREG,STBY
Voltage regulator standby
output current
10
mA
Integrated analog-to-digital converter
NADC
Analog-to-digital converter
resolution
5
bit
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 in order to evaluate the
actual rise and fall time.
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 20 – SPI timings diagram for details.
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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