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Linear Technology Electronic Components Datasheet

LM319 Datasheet

Dual Comparator

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LM319 pdf
LT119A/LT319A
LM119/LM319
Dual Comparator
FEATURES
n Guaranteed Maximum 0.5mV Input Offset Voltage
n Input Protection Diodes
n Operates From Single 5V Supply
n 25mA Drive Capability
n 80ns Response Time
APPLICATIONS
n Window Detectors
n High Speed One Shot
n Relay/Lamp Drivers
n Voltage Controlled Oscillators
DESCRIPTION
The LT®119A is an improved version of the LM119 dual
comparator. It features lower input offset voltage and
offset current, higher voltage gain, guaranteed common
mode rejection and input protection diodes.
The LT119A is capable of operation over a supply range
from 5V to ±15V and can drive 25mA loads from each
open collector output. A separate ground pin allows the
LT119A to isolate system grounds.
Linear Technology Corporation’s advanced processing,
design techniques and reliability make the LT119A/LT319A
an ideal choice over previous devices in most comparator
applications.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
Window Detector*
5V
VUT 3 + 10
500Ω
1/2 LT319A 1
TTL OUTPUT
VIN 4 2
VOUT = 5V FOR
8+
1/2 LT319A
6
VLT ≤ VIN ≤ VUT
VOUT = 0V FOR
VIN ≤ VLT OR VIN ≤ VUT
VLT 9 7
5
LT119/319 TA1
*ALLOWED WINDOW FOR SINGLE 5V SUPPLY IS 1.2V TO 3.8V
Response Time For Various Input Overdrives
6
5
4
3 20mV
2
1
0
100
50
0
2mV
5mV
VS = ±15V
VRL+
= 500Ω
+ = 5V
TA = 25°C
0 50 100 150 200 250 300 350
TIME (ns)
LT119/319 TA2
119a319afc
1



Linear Technology Electronic Components Datasheet

LM319 Datasheet

Dual Comparator

No Preview Available !

LM319 pdf
LT119A/LT319A
LM119/LM319
ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply Voltage...........................................................36V
Output to Negative Supply Voltage............................36V
Ground to Negative Supply Voltage...........................25V
Ground to Positive Supply Voltage.............................18V
Differential Input Voltage (Note 6).............................±5V
Differential Input Current (Note 6)..........................±5mA
Input Voltage (Note 2)
Output Short-Circuit Duration.................................... 10s
Operating Temperature Range
LT119A, LM119 OBSOLETE........... –55°C to 125°C
LT319A, LM319......................................... 0°C to 70°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................... 300°C
PIN CONFIGURATION
TOP VIEW
NC
NC
GND
+INPUT 1
– INPUT 1
V
OUTPUT 2
1
2
3
4
5
6
7
14 NC
13 NC
12 OUTPUT 1
11 V +
10 – INPUT 2
9 +INPUT 2
8 GND 2
N PACKAGE
14-LEAD PLASTIC DIP
TJMAX = 150°C, θJA = 100°C/W
TOP VIEW
V+
OUTPUT 1
1
10
–INPUT 2
9
GND 2
8 +INPUT 2
+INPUT 1 3
7 GND 2
4
–INPUT 1
5
V
6
OUTPUT 2
H PACKAGE
10-LEAD TO-5 METAL CAN
TJMAX = 150°C, θJA = 150°C/W, θJC = 45°C/W
OBSOLETE PACKAGE
TOP VIEW
NC
NC
GND
+INPUT 1
–INPUT 1
V
OUTPUT 2
1
2
3
4
5
6
7
14 NC
13 NC
12 OUTPUT 1
11 V +
10 – INPUT 2
9 +INPUT 2
8 GND 2
J PACKAGE
14-LEAD CERAMIC DIP
TJMAX = 150°C, θJA = 100°C/W
OBSOLETE PACKAGE
ORDER INFORMATION
LEAD FREE FINISH
PART MARKING
PACKAGE DESCRIPTION
LT319AN#PBF
LT319AN
14-Lead Plastic DIP
LM319N#PBF
LM319N
14-Lead Plastic DIP
OBSOLETE PACKAGES
LT119AH#PBF
LT119AH
10-Lead TO-5 Metal Can
LM119H#PBF
LM119H
10-Lead TO-5 Metal Can
LT319AH#PBF
LT319AH
10-Lead TO-5 Metal Can
LM319H#PBF
LM319H
10-Lead TO-5 Metal Can
LT119AJ#PBF
LT119AJ
14-Lead Ceramic DIP
LM119J#PBF
LM119J
14-Lead Ceramic DIP
LT319AJ#PBF
LT319AJ
14-Lead Ceramic DIP
LM319J#PBF
LM319J
14-Lead Ceramic DIP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part markings, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
SPECIFIED TEMPERATURE RANGE
0°C to 70°C
0°C to 70°C
–55°C to 125°C
–55°C to 125°C
0°C to 70°C
0°C to 70°C
–55°C to 125°C
–55°C to 125°C
0°C to 70°C
0°C to 70°C
2
119a319afc



Linear Technology Electronic Components Datasheet

LM319 Datasheet

Dual Comparator

No Preview Available !

LM319 pdf
LT119A/LT319A
LM119/LM319
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
LT119A
LM119
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX SYMBOL
VOS Input Offset Voltage
VS = ±15V, VCM = 0
(Note 4)
0.3 0.5
0.5 1.0
l 1.2 2.0
4
0.7 4
7
mV
mV
mV
CMRR
Common Mode Rejection Ratio
90 106
dB
IOS Input Offset Current
(Note 4)
20 40
l 75
30 75
100
nA
nA
IB Input Bias Current
(Note 4)
150 500
150 500
nA
l 1000 1000 nA
AV Voltage Gain
Response Time
(Note 5)
20 40
80
10 40
80
V/mV
ns
VSAT Saturation Voltage
VVI+N≥≤4–.55Vm,VV,IO=
= 25mA,
0V
0.75 1.5
0.75 1.5
V
Output Leakage Current
VITNA≤≥–06°mCV, ISINK ≤ 3.2mA
TA ≤ 0°C
VIN ≥ 5mV, VOUT to V= 35V
l
0.23 0.4
0.6
0.2 2
1 10
0.23 0.4
0.6
0.2 2
1 10
V
V
µA
µA
Input Voltage Range
VVS+
=
=
±15V
5V, V
=
0V
l –12 ±13 12 –12 ±13 12
l1
31
3
V
V
Differential Input Voltage
l ±5
±5 V
IS Supply Current
V+ = 5V, V= 0V
4.3 4.3 mA
Positive Supply Current
VS = ±15V
8 11.5
8 11.5
mA
Negative Supply Current
VS = ±15V
3 4.5
3 4.5
mA
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
LT319A
LM319
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX SYMBOL
VOS Input Offset Voltage
VS = ±15V, VCM = 0V
(RNSo≤te54k)
0.3 0.5
0.5 1
l2
8
28
10
mV
mV
mV
CMRR
Common Mode Rejection Ratio
90 106
dB
IOS Input Offset Current
(Note 4)
30 40
l 60
80 200
300
nA
nA
IB Input Bias Current
(Note 4)
150 500
250 1000
nA
l 1000 1200 nA
AV Voltage Gain
Response Time
(Note 5)
20 40
80
8 40
80
V/mV
ns
VSAT Saturation Voltage
Output Leakage Current
Input Voltage Range
VIN ≤ –10mV, ISINK = 25mA
V+ ≥ 4.5V, V= 0V,
VIN ≤ –10mV, ISINK ≤ 3.2mA
VIN ≥ 10mV, VOUT to V= 35V
VVS+
=
=
±15V
5V, V
=
0V
0.75 1.5
l 0.3 0.4
l
l1
0.2 10
±13
3
0.75 1.5
0.3 0.4
0.2 10
±13
13
V
V
µA
V
V
Differential Input Voltage
IS Supply Current
Positive Supply Current
Negative Supply Current
V+ = 5V, V= 0V
VS = ±15V
VS = ±15V
l ±5
±5 V
4.3 4.3 mA
8 12.5
8 12.5
mA
35
35
mA
119a319afc
3




Part Number LM319
Description Dual Comparator
Maker Linear Technology
Total Page 12 Pages
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LM319 pdf
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LM319 pdf
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