Voltage Comparator
LM393
Voltage Comparator
General Description
•
The TCI LM393 consist of two independent voltage
comparator, designed specifically to operate from a single
power supply over a wide voltage range.
•
The LM393 is available in standard DIP-8, SOP-8
and TSSOP-8 packages.
.
DIP-8
SOP-8
TSSOP-8
Features
•
Single or dual supply operation
•
Wide operating supply range
(V
CC
=2V ~ 36V or
±1
~
±18V)
•
•
•
•
•
Applications
•
•
•
•
•
Battery Charger
Cordless Telephone
Switching Power Supply
PC Motherboard
Communication Equipment
Input common-mode voltage includes ground
Low supply current drain I
CC
=0.8mA (Typical)
Low input bias current I
BIAS
=25nA (Typical)
Output compatible with TTL, DTL, and CMOS logic system
RoHS Compliance
Ordering Information
TAITRON COMPONENTS INCORPORATED
www.taitroncomponents.com
Tel:
Fax:
(800)-TAITRON (800)-824-8766
(800)-TAITFAX (800)-824-8329
(661)-257-6060
(661)-257-6415
Rev. A/DX 2007-06-04
Page 1 of 11
Voltage Comparator
LM393
Pin Configuration
Block Diagram
Rev. A/DX 2007-06-04
www.taitroncomponents.com
Page 2 of 11
Voltage Comparator
LM393
Absolute Maximum Ratings
Symbol
V
CC
V
I(DIFF)
V
IN
P
D
Description
Supply Voltage
Differential Input Voltage
Input Voltage
TSSOP-8
Power
Dissipation
SOP-8
DIP-8
T
J
T
OPR
T
STG
Operating Junction Temperature
Operating Temperature Range
Storage Temperature Range
LM393
±18
or 36
36
-0.3 ~ 36
570
660
780
150
-40 ~ 85
-65 ~ 150
°C
°C
°C
mW
Unit
V
V
V
Note:
Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
Electrical Characteristics
(V
CC
=5.0V, T
A
=25ºC, all voltage referenced to GND unless otherwise specified)
Symbol
V
I(OFF)
V
SAT
V
I(CM)
G
V
I
CC
I
I(OFF)
I
I(BIAS)
I
O(SINK)
I
O(LEAK)
t
R
t
R
Description
Input Offset Voltage
Output Saturation Voltage
Input Common Mode Voltage
Large Signal Voltage Gain
Power Supply Current
Input Offset Current
Input Bias Current
Output Sink Current
Output Leakage Current
LM393
Min.
Typ.
Max.
Unit
mV
mV
V
Conditions
V
CM
=0V to V
CC
-1.5V
V
O(P)
=1.4V,R
S
=0
Ω
V
I
(-)>1V, V
I
(+)=0V, I
SINK
=4mA
V
CC
=30V
-
-
0
50
-
-
-
-
6
-
-
1.0
160
-
200
0.8
0.6
5
65
18
0.1
-
5.0
400
VCC
-1.5
V/mV V
CC
=15V, R
L
≥
15KΩ
2.5
R
L
=∞, V
CC
=30V
mA
1.0
R
L
=∞
50
nA
-
250
nA
-
-
mA V
I(-)
>1V, V
I(+)
=0V, V
O(P)
<1.5V
-
-
1.0
nA
µA
V
I(+)
=1V, V
I(-)
=0V, V
O(P)
=5V
V
I(+)
=1V, V
I(-)
=0V, V
O(P)
=30V
Large Signal Response Time
Response Time
-
-
350
1400
-
-
ns
ns
V
IN
=TTL logic wing,
V
REF
=1.4V,V
RL
=5V, R
L
=5.1KΩ
V
RL
=5V, R
L
=5.1KΩ
Rev. A/DX 2007-06-04
www.taitroncomponents.com
Page 3 of 11
Voltage Comparator
LM393
Typical Characteristics Curves
Fig.1- Supply Current
Fig.2- Input Current
Supply Current
(
mA
)
Supply Voltage (V)
Input Current
(
nA
)
Supply Voltage (V)
Fig.3-
Output Saturation Voltage
Input Voltage (mV)
Fig.4- Response Time for Various Input
Overdrive Negative Transition
Saturation Voltage (V)
Output Sink Current (mA)
Output Voltage (V)
Rev. A/DX 2007-06-04
www.taitroncomponents.com
Page 4 of 11
Voltage Comparator
LM393
Typical Characteristics Curves (Continued)
Fig.5- Response Time for Various Input
Overdrive Positive Transition
Input Voltage (mV)
Input Voltage (V)
Fig.6- Voltage Follower Pulse Response
Output Voltage (V)
Output Voltage (V)
Time (µs)
Time (µs)
Fig.7- Voltage Follower Pulse Response
(small signal)
Fig.8- Large Signal Frequency Response
Output Voltage
(V
)
Output Swing
(Vp-p
)
Time (µs)
Frequency (Hz)
Rev. A/DX 2007-06-04
www.taitroncomponents.com
Page 5 of 11
Special Edition for Assessment Centres
京公网安备 11010802033920号
EEWORLD
