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L297 数据表(PDF) 7 Page - STMicroelectronics

部件名 L297
功能描述  STEPPER MOTOR CONTROLLERS
PDF  11 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L297 数据表(HTML) 7 Page - STMicroelectronics

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Symbol
Parameter
Test conditions
Min.
Typ
Max.
Unit
Ileak
Leakage current (pin 3)
VCE = 7 V
1
µA
Vsat
Saturation voltage (pin 3)
I = 5 mA
0.4
V
Voff
Comparators offset voltage
(pins 13, 14, 15)
Vref = 1 V
5mV
Io
Comparator bias current
(pins 13, 14, 15)
-100
10
µA
Vref
Input reference voltage (pin 15)
0
3
V
tCLK
Clock time
0.5
µs
tS
Set up time
1
µs
tH
Hold time
4
µs
tR
Reset time
1
µs
tRCLK
Reset to clock delay
1
µs
ELECTRICAL CHARACTERISTICS (continued)
Figure 1.
7/11
L297



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