L272 STMicroelectronics, L272 Datasheet - Page 6
L272
Manufacturer Part Number
L272
Description
IC POWER OPAMP DUAL 1A 16-DIP
Manufacturer
STMicroelectronics
Datasheet
1.L272D.pdf
(10 pages)
Specifications of L272
Amplifier Type
General Purpose
Number Of Circuits
2
Slew Rate
1 V/µs
Gain Bandwidth Product
350kHz
Current - Input Bias
300nA
Voltage - Input Offset
15000µV
Current - Supply
8mA
Current - Output / Channel
1A
Voltage - Supply, Single/dual (±)
4 V ~ 28 V, ±2 V ~ 14 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Output Type
-
-3db Bandwidth
-
Other names
497-2935-5
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L272
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 R
>
where R
= internal resistance of motor.
X
M
R
M
V
2R R1
s
The voltage available at the terminals of the motor is V
= 2 (V
) + R
where R
=
M
i
o
M
o
2
R
X
and I
is the motor current.
M
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