LM293DG ON Semiconductor, LM293DG Datasheet - Page 5

no-image

LM293DG

Manufacturer Part Number
LM293DG
Description
IC COMP DUAL OFFSET LV 8-SOIC
Manufacturer
ON Semiconductor
Type
General Purposer
Datasheet

Specifications of LM293DG

Number Of Elements
2
Output Type
CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage - Supply
2 V ~ 36 V, ±1 V ~ 18 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Number Of Channels
2 Channels
Response Time
1.5 us
Offset Voltage (max)
5 mV
Input Bias Current (max)
250 nA
Supply Voltage (max)
36 V
Supply Voltage (min)
2 V
Supply Current (max)
1 mA
Maximum Power Dissipation
570 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 25 C
Comparator Type
Precision
No. Of Comparators
2
Ic Output Type
CMOS, MOS, TTL, DTL, ECL
Supply Current
400µA
Supply Voltage Range
± 1V To ± 18V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM293DG
LM293DGOS

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM293DG
Manufacturer:
MAX
Quantity:
3 569
Part Number:
LM293DG
Manufacturer:
ON/安森美
Quantity:
20 000
Part Number:
LM293DGKR
Quantity:
5 000
Company:
Part Number:
LM293DGKR
Quantity:
17 500
bandwidth characteristics. This gives the device oscillation
tendencies if the outputs are capacitively coupled to the
inputs via stray capacitance. This oscillation manifests
itself during output transitions (V
this situation, input resistors < 10 kW should be used.
Figure 10. Free−Running Square−Wave Oscillator
These dual comparators feature high gain, wide
V
D1 prevents input from going negative by more than 0.6 V.
in
V
CC
51 k
51 k
Figure 8. Zero Crossing Detector
8.2 k
R1
R1
D1
R3 ≤
0.001 mF
R5
10
6.8 k
220 k
R2
(Single Supply)
R4
for small error in zero crossing.
R1 + R2 = R3
1.0 mW
LM393
+
-
51 k
220 k
15 k
R5
V
R3
ref
*
)
LM393
V
R1
+15 V
V
CC
OL
10 m
O
0
R
S
to V
Figure 12. Comparator with Hysteresis
OH
V
R
10 k
t
10 k
CC
APPLICATIONS INFORMATION
L
). To alleviate
+
V
-
LM393
O
R2
http://onsemi.com
5
V
CC
recommended. It is good design practice to ground all
unused pins.
voltage without damaging the comparator’s inputs. Voltages
more negative than −0.3 V should not be used.
V
R
in
``ON'' for t ­ t
where:
L
The addition of positive feedback (< 10 mV) is also
Differential input voltages may be larger than supply
Dt = RC n (
t
R
V
V
V
LM393
+
-
Figure 11. Time Delay Generator
th1
th2
S
in(min)
= R1 | | R2
Figure 9. Zero Crossing Detector
= V
= V
O
+ Dt
ref
ref
[ 0.4 V peak for 1% phase distortion (DQ).
V
*
)
+V
LM393
-V
C
V
+
-
V
V
CC
ref
CC
EE
CC
R
)
C
(V
(V
(Split Supply)
R1 + R2 + R
CC
ref
-V
-V
R1 + R2
+ V
10 k
O
ref
-
LM393
+
ref
Low) R1
) R1
L
V
O
V
- V
V
t
in
0
0
C
0
O
V
V
V
EE
in
CC
O
V
V
ref
ref
V
CC
R
V
L
O
V
DQ
in(min)
t
Q
Q

Related parts for LM293DG