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Linear Technology Electronic Components Datasheet

LM119H Datasheet

Dual Comparator

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LM119H pdf
LT119A/LT319A
LM119/LM319
Dual Comparator
FEATURES
s Guaranteed Maximum 0.5mV Input Offset Voltage
s Input Protection Diodes
s Operates From Single 5V Supply
s 25mA Drive Capability
s 80ns Response Time
U
APPLICATIONS
s Window Detectors
s High Speed One Shot
s Relay/Lamp Drivers
s Voltage Controlled Oscillators
DESCRIPTION
The LT119A 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.
TYPICAL APPLICATION
Window Detector*
5V
VUT 3 + 10
500
1/2 LT319A 1
TTL OUTPUT
VIN 4
2
VOUT = 5.0V 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
RL = 500
V++ = 5V
TA = 25°C
0 50 100 150 200 250 300 350
TIME (ns)
LT119/319 TA2
1



Linear Technology Electronic Components Datasheet

LM119H Datasheet

Dual Comparator

No Preview Available !

LM119H pdf
LT119A/LT319A
LM119/LM319
ABSOLUTE MAXIMUM RATINGS
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 5) .......................... ± 5V
Differential Input Current (Note 5) ........................± 5mA
Input Voltage (Note 1)
Output Short-Circuit Duration ................................... 10s
Operating Temperature Range
LT119A, LM119 ............................... – 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
PACKAGE/ORDER INFORMATION
TOP VIEW
V+
OUTPUT 1 10 –INPUT 2
19
GND 2
8 +INPUT 2
+INPUT 1 3
4
–INPUT 1
7 GND 2
6
5 OUTPUT 2
V
ORDER PART
NUMBER
LT119AH
LM119H
LT319AH
LM319H
H PACKAGE
10-LEAD TO-5 METAL CAN
TJMAX = 150°C, θJA = 150°C/ W, θJc = 45°C/ W
NC 1
NC 2
GND 3
+INPUT 4
–INPUT 5
V6
OUTPUT 2 7
TOP VIEW
14 NC
13 NC
12 OUTPUT 1
11 V +
10 – INPUT 2
9 +INPUT 2
8 GND 2
LT119AJ
LM119J
LT319AJ
LM319J
LT319AN
LM319N
J PACKAGE
N PACKAGE
14-LEAD CERAMIC DIP 14-LEAD PLASTIC DIP
TJMAX = 150°C, θJA = 100°C/ W (J)
TJMAX = 85°C, θJA = 100°C/ W (N)
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS (Note 2)
SYMBOL PARAMETER
CONDITIONS
LT119A
MIN TYP MAX
LT119
MIN TYP MAX
VOS Input Offset Voltage
VOS Input Offset Voltage
VS = ±15V, VCM = 0
(Note 3)
0.3 0.5
0.5 1.0
q 1.2 2.0
4
0.7 4
7
CMRR Common-Mode Rejection Ratio
90 106
IOS Input Offset Current
(Note 3)
20 40
q 75
30 75
100
IB Input Bias Current
(Note 3)
150 500
q 1000
150 500
1000
AV Voltage Gain
Response Time
(Note 4)
20 40
80
10 40
80
VSAT Saturation Voltage
Output Leakage Current
VIN –5mV, IO = 25mA
V+ 4.5V, V= 0V
VIN –6mA, ISINK 3.2mA
TA 0°C
TA 0°C
VIN 5mV, VOUT = 35V
q
0.75 1.5
0.23 0.4
0.6
0.2 2
1 10
0.75 1.5
0.23 0.4
0.6
0.2 2
1 10
Input Voltage Range
VS = ±15V
V+ = 5V, V= 0V
q –12 ±13 12
q1
3
–12 ±13
1
12
3
UNITS
mV
mV
mV
dB
nA
nA
nA
nA
V/mV
ns
V
V
V
µA
µA
V
V
2



Linear Technology Electronic Components Datasheet

LM119H Datasheet

Dual Comparator

No Preview Available !

LM119H pdf
LT119A/LT319A
LM119/LM319
ELECTRICAL CHARACTERISTICS (Note 2)
SYMBOL
IS
IS
IS
VOS
VOS
PARAMETER
Differential Input Voltage
Supply Current
Positive Supply Current
Negative Supply Current
Input Offset Voltage
Input Offset Voltage
CMRR
IOS
Common-Mode Rejection Ratio
Input Offset Current
CONDITIONS
V+ = 5V, V= 0V
VS = ±15V
VS = ±15V
VS = ±15V, VCM = 0V
RS 5k
(Note 3)
(Note 3)
IB Input Bias Current
(Note 3)
AV Voltage Gain
Response Time
VSAT Saturation Voltage
Output Leakage Current
Input Voltage Range
Differential Input Voltage
IS Supply Current
IS Positive Supply Current
IS Negative Supply Current
(Note 4)
VIN –10mV, ISINK = 25mA
TA = 25°C
V+ 4.5V, V= 0V
VIN –10mV, ISINK 3.2mA
VIN 10mV, VOUT = 35V
VS = ±15V
V+ = 5V, V= 0V
V+ = 5V, V= 0V
VS = ±15V
VS = ±15V
LT119A
MIN TYP MAX
LT119
MIN TYP MAX
q ±5
±5
4.3 4.3
8 11.5
8 11.5
3 4.5
3 4.5
0.3 0.5
8
0.5 1
q2
28
10
90 106
30 40
q 60
80 200
300
150 500
q 1000
250 1000
1200
20 40
8 40
80 80
0.75 1.5
0.75 1.5
q 0.3 0.4
0.3 0.4
0.2 10
0.2 10
q ±13
q1
3
±13
13
q ±5
±5
4.3 4.3
8 12.5
8 12.5
35
35
UNITS
V
mA
mA
mA
mV
mV
mV
dB
nA
nA
nA
nA
V/mV
ns
V
V
µA
V
V
V
mA
mA
mA
The q denotes specifications which apply over the full operating
temperature range.
Note 1: For supply voltages less than ±15V, the maximum input voltage is
equal to the supply voltage.
Note 2: Unless otherwise noted, supply voltage equals ±15V and
TA = 25°C. The ground pin is grounded. Note that the maximum voltage
allowed between the ground pin and V+ is 18V. Do not tie the ground pin
to Vwhen the power supply voltage exceeds ±9V. The offset voltage,
offset current and bias current specifications apply for all supply voltages
between ±15V and 5V unless otherwise specified.
Note 3: The offset voltages and currents given are the maximum values
required to drive the output within 1V of either supply with a 1mA load,
thus these parameters define an error band and take into account the
worst case effects of voltage gain and input impedance.
Note 4: Response time specified is for a 100mV input step with 5mV
overdrive.
Note 5: Inputs are protected with back-to-back 5.6V zener diodes. This
limits maximum differential input voltage to ±5V if current is unlimited.
Larger differential input drive is allowed if input current is limited to ±5mA
with external resistance.
3




Part Number LM119H
Description Dual Comparator
Maker Linear Technology
Total Page 8 Pages
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