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L272 Fiches technique(PDF) 6 Page - STMicroelectronics

No de pièce L272
Description  DUAL POWER OPERATIONAL AMPLIFIERS
PDF  10 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L272 Fiches technique(HTML) 6 Page - STMicroelectronics

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Figure 12 : Motor Current Control Circuit.
Note : The input voltage level is compatible with L291 (5-BIT D/A converter).
Figure 13 : Bidirectional Speed Control of DC Motors.
2R3
° R1
For circuit stability ensure that RX >
where RM = internal resistance of motor.
RM
Vs
2R
° R1
The voltage available at the terminals of the motor is VM =2 (Vi
⋅
)+
Ro ⋅ ΙM where Ro =
2RX
and IM is the motor current.
L272
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