LM393A
Dual Differential Comparators
DESCRIPTION
The LM393A consists of two independent voltage comparators. These were designed specifically to operate
from a single power supply over a wide range of voltages. Operation from split power supplies is also possible
and the low power supply current drain is independent of the magnitude of the power supply voltage. The
outputs can be connected to other open-collector outputs to achieve wired-AND relationships.
FEATURES
Wide supply voltage range
Low supply current drain independent of the supply voltage.
Low input biasing current
Low input offset current
Low input offset voltage
Input common-mode voltage range includes GND
Differential input voltage range equal to the power supply voltage
Low output saturation voltage
Output voltage compatible with TTL, MOS and CMOS logic
SOP8
PACKAGE INFORMATION
DIP8
PIN1
PIN1
ORDERING INFORMATION
DEVICE
Package Type
MARKING
Packing
Packing Qty
LM393AN
DIP8
LM393A
TUBE
2000/box
LM393AM/TR
SOP8
LM393A
REEL
2500/reel
http://www.hgsemi.com.cn
1
2019 OCT
LM393A
ELECTRICAL CHARACTERISTICS
at specified free-air temperature, VCC=5V (unless otherwise noted)
PARAMETER
TEST CONDITIONS*
VIO
Vcc=5V to 30V,
Input offset voltage
VIC=VICR min,
Vo=1.4V
Vo=1.4V
lIO
Input offset current
IIB
TYP
MAX
UNIT
25 С
Full range
MIN
2
5
mV
25 С
5
50
nA
-25
150
-250
nA
9
Full range
Vo=1.4V
25 С
Full range
Input bias current
VICR
25 С
Full range
Common-mode input voltage range**
AVD
Large-signal differential voltage
amplification
lOH
Vcc=15V,
Vo=1.4V to 11.4V,
RL 15k tO VCC
VOH=5V, VID=1V,
High-level output current
VOH=30V, VID=1V
VOL
Low-level output voltage
lOL
Low-level output current
ICC
25 С
-400
0 to Vcc-1.5
V
0 to Vcc-2
50
200
25 С
Full range
0.1
IOL=4mA, VID=-1V
25 С
Full range
150
VOL=1.5V, VID=-1V
25 С
RL=
Supply current
VCC=5V
50
nA
1
A
400
mV
700
6
25 С
Full range
VCC=30V
V/mV
mA
0.8
1
mA
2.5
*Full range (MIN to MAX), for the LM393A is -40 С to 125 С. All characteristics are measured with zero common-mode input
voltage unless otherwise specified.
**The voltage at either input or common-mode should not be allowed to go negative by more than 0.3V. The upper end of
the common-mode voltage range is VCC-1.5V, but either or both inputs can go to 30V without damage.
SWITCHING CHARACTERISTICS, VCC=5V, ТA=25°C
PARAMETER
Response time
TEST CONDITIONS
MIN
TYP
RL connected to 5V through 5.1k ,
100-mV input step with 5-mV overdrive
1.3
CL=15pF* (See Note 1)
TTL-level input step
0.3
MAX
UNIT
s
*CL includes probe and jig capacitance.
NOTE 1: The response time specified is the interval between the input step function and the instant, when the output crosses 1.4V.
http://www.hgsemi.com.cn
2
2019 OCT
LM393A
PACKAGE
SOP8
Dimensions In Millimeters
Symbol
Min
A
1.250
Max
1.570
Symbol
D
Min
Max
A1
Q
B
a
C
b
C1
DIP8
http://www.hgsemi.com.cn
3
2019 OCT
LM393A
Important statement:
Huaguan Semiconductor Co,Ltd. reserves the right to change
the products and services provided without notice. Customers
should obtain the latest relevant information before ordering,
and verify the timeliness and accuracy of this information.
Customers are responsible for complying with safety
standards and taking safety measures when using our
products for system design and machine manufacturing to
avoid potential risks that may result in personal injury or
property damage.
Our products are not licensed for applications in life support,
military, aerospace, etc., so we do not bear the consequences
of the application of these products in these fields.
Our documentation is only permitted to be copied without
any tampering with the content, so we do not accept any
responsibility or liability for the altered documents.
http://www.hgsemi.com.cn
4
2019 OCT
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