LINER LT119A Dual comparator Datasheet

LT119A/LT319A
LM119/LM319
Dual Comparator
U
FEATURES
■
■
■
■
■
DESCRIPTIO
Guaranteed Maximum 0.5mV Input Offset Voltage
Input Protection Diodes
Operates From Single 5V Supply
25mA Drive Capability
80ns Response Time
U
APPLICATIO S
■
■
■
■
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.
Window Detectors
High Speed One Shot
Relay/Lamp Drivers
Voltage Controlled Oscillators
, LTC and LT are registered trademarks of Linear Technology Corporation.
U
TYPICAL APPLICATIO
Response Time for Various Input Overdrives
Window Detector*
6
5V
3
10
+
500Ω
1
1/2 LT319A
VIN
4
–
TTL OUTPUT
2
5
OUTPUT
VOLTAGE (V)
VUT
2mV
4
3
5mV
20mV
2
8
+
6
1/2 LT319A
VLT
9
–
7
5
INPUT
VOLTAGE (mV)
1
VOUT = 5V FOR
VLT ≤ VIN ≤ VUT
VOUT = 0V FOR
VIN ≤ VLT OR VIN ≤ VUT
VS = ±15V
RL = 500Ω
V + + = 5V
TA = 25°C
0
100
50
0
0
LT119/319 TA1
50
100 150 200 250 300 350
TIME (ns)
LT119/319 TA2
*ALLOWED WINDOW FOR SINGLE 5V SUPPLY IS 1.2V TO 3.8V
119a319afb
1
LT119A/LT319A
LM119/LM319
W W
W
AXI U
U
ABSOLUTE
RATI GS
(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
U
U
W
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
TOP VIEW
V+
OUTPUT 1
1
9
8 +INPUT 2
GND 2
7 GND 2
+INPUT 1 3
–INPUT 1
LT119AH
LM119H
LT319AH
LM319H
–INPUT 2
10
4
NC
1
14 NC
NC
2
13 NC
GND
3
12 OUTPUT 1
+INPUT
4
11 V +
–INPUT
5
10 – INPUT 2
V–
6
9
+INPUT 2
OUTPUT 2
7
8
GND 2
6
5
V–
OUTPUT 2
ORDER PART
NUMBER
TOP VIEW
H PACKAGE
10-LEAD TO-5 METAL CAN
LT319AN
LM319N
LT119AJ
LM119J
LT319AJ
LM319J
N PACKAGE
14-LEAD PLASTIC DIP
TJMAX = 150°C, θJA = 100°C/ W
TJMAX = 150°C, θJA = 150°C/ W, θJc = 45°C/ W
J PACKAGE 14-LEAD CERAMIC DIP
TJMAX = 150°C, θJA = 100°C/ W
OBSOLETE PACKAGE
OBSOLETE PACKAGE
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL PARAMETER
CONDITIONS
VOS
VS = ±15V, VCM = 0
Input Offset Voltage
MIN
(Note 4)
●
CMRR
Common Mode Rejection Ratio
IOS
Input Offset Current
90
(Note 4)
LT119A
TYP
MAX
0.3
0.5
0.5
1.2
1.0
2.0
Input Bias Current
(Note 4)
Voltage Gain
Response Time
20
(Note 5)
0.7
MAX
UNITS
4
mV
4
7
mV
mV
dB
20
40
75
30
75
100
nA
nA
150
500
1000
150
500
1000
nA
nA
●
AV
LM119
TYP
106
●
IB
MIN
40
80
10
40
V/mV
80
ns
119a319afb
2
LT119A/LT319A
LM119/LM319
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL PARAMETER
CONDITIONS
VSAT
VIN ≤ –5mV, IO = 25mA,
V+ ≥ 4.5V, V– = 0V
Saturation Voltage
MIN
VIN ≤ –6mA, ISINK ≤ 3.2mA
TA ≥ 0°C
TA ≤ 0°C
Output Leakage Current
VIN ≥ 5mV, VOUT to V– = 35V
●
Input Voltage Range
VS = ±15V
V + = 5V, V – = 0V
Differential Input Voltage
IS
●
●
–12
1
LT119A
TYP
MAX
MIN
LM119
TYP
MAX
UNITS
0.75
1.5
0.75
1.5
V
0.23
0.4
0.6
0.23
0.4
0.6
V
V
0.2
1
2
10
0.2
1
2
10
µA
µA
±13
12
3
±13
12
3
V
V
–12
1
±5
●
±5
V
Supply Current
V + = 5V, V – = 0V
Positive Supply Current
VS = ±15V
8
11.5
8
11.5
mA
Negative Supply Current
VS = ±15V
3
4.5
3
4.5
mA
4.3
4.3
mA
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL PARAMETER
CONDITIONS
VOS
VS = ±15V, VCM = 0V
Input Offset Voltage
RS ≤ 5k
(Note 4)
CMRR
Common Mode Rejection Ratio
IOS
Input Offset Current
(Note 4)
IB
Input Bias Current
(Note 4)
MIN
LT319A
TYP
MAX
0.3
0.5
0.5
1
2
30
150
●
90
●
Voltage Gain
Response Time
VSAT
Saturation Voltage
20
(Note 5)
Output Leakage Current
VIN ≥ 10mV, VOUT to V– = 35V
Input Voltage Range
VS = ±15V
V+ = 5V, V – = 0V
Differential Input Voltage
IS
●
●
●
MAX
UNITS
8
mV
2
8
10
mV
mV
40
60
80
200
300
nA
nA
500
1000
250
1000
1200
nA
nA
dB
40
8
80
VIN ≤ –10mV, ISINK = 25mA
V + ≥ 4.5V, V– = 0V,
VIN ≤ –10mV, ISINK ≤ 3.2mA
LM319
TYP
106
●
AV
MIN
40
V/mV
80
ns
0.75
1.5
0.75
1.5
V
0.3
0.4
0.3
0.4
V
0.2
10
0.2
10
µA
3
V
V
±13
1
±13
3
1
±5
●
±5
V
Supply Current
V + = 5V, V – = 0V
Positive Supply Current
VS = ±15V
8
12.5
8
12.5
mA
Negative Supply Current
VS = ±15V
3
5
3
5
mA
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: For supply voltages less than ±15V, the maximum input voltage is
equal to the supply voltage.
Note 3: Unless otherwise noted, supply voltage equals ±15V and
VCM = 0V, 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 V– when 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.
4.3
4.3
mA
Note 4: 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 5: Response time specified is for a 100mV input step with 5mV
overdrive.
Note 6: 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.
119a319afb
3
LT119A/LT319A
LM119/LM319
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Transfer Function
Input Characteristics
40
V + + = 5V
25
5
20
4
15
3
10
2
5.0
1
–0.6
0.2
0.6
–0.2
DIFFERENTIAL INPUT VOLTAGE (mV)
300
200
200
100
0
–100
–10
0
1.0
–6
2
6
–2
DIFFERENTIAL INPUT VOLTAGE (V)
5mV
2
VS = ±15V
RL = 500Ω
V ++ = 5V
TA = 25°C
20mV
6
5
5
2mV
4
2
5mV
20mV
0
0
–50
–100
0
50
VS = 5V
RL = 500Ω
V + + = 5V
TA = 25°C
0
50
0
0
50
Output Saturation Voltage
0
0
–50
–100
0
Supply Current
50
100 150 200 250 300 350
TIME (ns)
Output Limiting Characteristics
120
1.2
TJ = 25°C
TJ = 25°C
SUPPLY CURRENT (mA)
5
8
POSITIVE SUPPLY
6
4
NEGATIVE SUPPLY
2
VS = ±15V
INPUT OVERDRIVE = 5mV
0
0.6
0.8
0.4
OUTPUT VOLTAGE (V)
1.0
LT119/319 G7
0
15
5
10
SUPPLY VOLTAGE (V)
LT119/319 G8
SHORT-CIRCUIT CURRENT
AFTER 3 MINUTES
80
0.8
60
0.6
40
0.4
POWER DISSIPATION
20
0
20
1.0
100
POWER DISSIPATION (W)
10
SHORT-CIRCUIT CURRENT (mA)
10
20
15
2mV
LT119/319 G6
12
TJ = 25°C
OUTPUT CURRENT (mA)
5mV
LT119/319 G5
25
0.2
20mV
2
100 150 200 250 300 350
TIME (ns)
LT119/319 G4
0
4
1
100
100 150 200 250 300 350
TIME (ns)
VS = 5V
RL = 500Ω
V + + = 5V
TA = 25°C
3
1
INPUT
VOLTAGE (mV)
INPUT
VOLTAGE (mV)
6
3
1
0
Response Time for Various
Input Overdrives
OUTPUT
VOLTAGE (V)
4
3
5 25 45 65 85 105 125
TEMPERATURE (°C)
LT119/319 G3
Response Time for Various
Input Overdrives
OUTPUT
VOLTAGE (V)
OUTPUT
VOLTAGE (V)
2mV
0
– 55 –35 –15
10
LT119/319 G2
Response Time for Various
Input Overdrives
5
100
OFFSET
LT119/319 G1
6
BIAS
150
50
MAXIMUM
DIFFERENTIAL
INPUT VOLTAGE
INPUT
VOLTAGE (mV)
0
–1.0
VS = ±15V
INPUT CURRENT (nA)
6
250
VS = ±15V
TA = 25°C
7
INPUT BIAS CURRENT (nA)
30
Input Currents
400
OUTPUT VOLTAGE LOW (V)
OUTPUT VOLTAGE HIGH (V)
V + + = 36V
VS = ±15V
RL = 1.4k
TA = 25°C
35
8
0.2
0
5
10
OUTPUT VOLTAGE (V)
0
15
LT119/319 G9
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LT119A/LT319A
LM119/LM319
U W
TYPICAL PERFORMANCE CHARACTERISTICS
Common Mode Limits
Supply Current
V+
12
V + = 5V, V – = 0V
–0.8
10
VS = ±15V
SUPPLY CURRENT (mA)
COMMON-MODE LIMITS (V)
–0.4
–1.2
–1.6
REFERRED TO SUPPLY VOLTAGES
–2.0
1.2
0.8
VS = ±15V, V + = 5V, V – = 0V
POSITIVE SUPPLY = 15V
8
6
POSITIVE SUPPLY = 5V, V – = 0V
4
2
NEGATIVE SUPPLY = –15V
0.4
V–
– 55 – 35 –15
0
– 55 – 35 –15
5
25 45 65 85 105 125
TEMPERATURE (°C)
5
25 45 65 85 105 125
TEMPERATURE (°C)
LT119/319 G11
LT119/319 G10
U
TYPICAL APPLICATIO S
Relay Driver
28V
5V
10
INPUTS
11
–
7
1/2 LT319A
9
8
+
35V
6
LT119/319 TA3
High Noise Immunity 60Hz Sync Circuit
5V
68k
60Hz
INPUT
10VP-P
(TYP)
1N4148
3.3k
20k
10
0.15µF
–
11
1/2 LT319A
9
+
7
OUTPUT
8
6
10k
10k
LT119/319 TA4
119a319afb
5
LT119A/LT319A
LM119/LM319
U
TYPICAL APPLICATIO S
Voltage Controlled Crystal Oscillator
With 100ppm Trim Range
INPUT
0V TO 5V
100k
AT CUT
18pF, 100kHz
10k
5V
MV1405*
5
1000pF
5V
11
1k
–
12
1/2 LT319A
4
9
+
1k
+
7
1/2 LT319A
1/2
10
3
39k
20k
OUTPUT
8
–
6
3k
20k
5V
2k
LT119/319 TA5
Voltage Controlled High Speed One Shot
5V
100pF
10
2k
5V
INPUT
PULSE
11
–
680Ω
7
1/2 LT319A
9
+
7408
8
5V
OUTPUT
0µs TO 1µs
(20ns MINIMUM)
10k
100pF
1k
2k
4
120pF
0V TO 1V
INPUT
680Ω
+
1/2 LT319A
5
3
–
6
LM385-1.2
12
300pF
LT119/319 TA6
5V
119a319afb
6
LT119A/LT319A
LM119/LM319
U
TYPICAL APPLICATIO S
10-Bit Serial Output A/D Converter
5V
INPUT
0V TO 3.5V
10k*
5V
20k*
LT1004-1.2
4.7k
10k
PN4250
5
PN4250
5V
11
–
12
1/2 LT119A
4
1N4148
9
3
+
74C04
1000µF †
1/2 LT119A
10
6
1k
+
–
–5V
7
DATA
OUT
8
1N4148
39k
82k
0.1µF †
2N3904
1N4148
1k
3.9k
15k
1k
CONVERT
COMMAND
INPUT (TTL)
*1% FILM
–5V
† POLYSTYRENE, MOUNT
CAPACITORS CLOSE TOGETHER
CONVERSION TIME = 10ms
* = 1%
CAPACITORS ARE POLYSTYRENE MOUNT
IN CLOSE PROXIMITY
5V
LT119/319 TA7
5 Microsecond Sample-and-Hold with Zero Hold Step
15V
+
10µF
1N4148
4.7k
100Ω
240Ω
3k
2N2907
15V
2N2907
2N4931
15V
11
12k
0.003µF †
–
10k
12
2N2907
3k
2N2222
VOUT
20k
5
3.3k
9k
10pF
1/2 LT119A
3
+
–
–15V
4
1k
7
1/2 LT119A
1k
9
6
8
+
9k
INPUT
15V
3k
1N4148
–15V
*TRIM FOR ZERO VOLTS OUT
WITH ZERO VOLTS IN
† POLYSTYRENE CAPACITOR
2pF
TO 8pF*
10
Q VS CLK D
74C74
CLR
PRESET
5V
0V
SAMPLE
HOLD
LT119/319 TA8
119a319afb
7
LT119A/LT319A
LM119/LM319
W
W
SCHEMATIC DIAGRAM
R1
3.5k
R2
4k
V+
R3
4k
R6
3k
R7
3k
Q9
Q4
Q8
Q3
–
+
C1
18pF
Q6
Q2
R4
3k
5.6V
INPUTS
Q7
R11
13k
R5
3k
R12
13k
R10
170Ω
5.6V
Q15
R8
2k
Q1
Q5
Q13
R9
18k
Q22
R23
4k
R22
60Ω
R20
3.6k
R18
1.9k
Q11
R25
600Ω
R24
250Ω
R19
250Ω
Q20
OUTPUT
Q14
R13
600Ω
Q16
Q12
Q21
TO OTHER
SIDE
LT119A
R15
300
Q10
R16
600Ω
R14
2k
Q19
Q17
R21 Q18
900Ω
R17
3Ω
V–
GND
119a319afb
8
LT119A/LT319A
LM119/LM319
U
PACKAGE DESCRIPTIO
H Package
10-Lead TO-5 Metal Can
(Reference LTC DWG # 05-08-1322)
.335 – .370
(8.509 – 9.398)
DIA
.305 – .335
(7.747 – 8.509)
.040
(1.016)
MAX
.050
(1.270)
MAX
SEATING
PLANE
.165 – .185
(4.191 – 4.699)
GAUGE
PLANE
.010 – .045*
(0.254 – 1.143)
REFERENCE
PLANE
.500 – .750
(12.700 – 19.050)
.016 – .021**
(0.406 – 0.533)
.027 – .045
(0.686 – 1.143)
36°BSC
PIN 1
.028 – .034
(0.711 – 0.864)
.230
( 5.842)
TYP
.110 – .160
(2.794 – 4.064)
INSULATING
STANDOFF
*LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE
AND THE SEATING PLANE
.016 – .024
**FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS
(0.406 – 0.610) H10(TO-5) 0801
OBSOLETE PACKAGE
119a319afb
9
LT119A/LT319A
LM119/LM319
U
PACKAGE DESCRIPTIO
J Package
14-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
.005
(0.127)
MIN
.785
(19.939)
MAX
14
13
12
11
10
9
8
.220 – .310
(5.588 – 7.874)
.025
(0.635)
RAD TYP
1
2
3
4
5
6
7
.300 BSC
(7.62 BSC)
.200
(5.080)
MAX
.015 – .060
(0.381 – 1.524)
.008 – .018
(0.203 – 0.457)
0° – 15°
.045 – .065
(1.143 – 1.651)
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE
OR TIN PLATE LEADS
.014 – .026
(0.360 – 0.660)
.100
(2.54)
BSC
.125
(3.175)
MIN
J14 0801
OBSOLETE PACKAGE
119a319afb
10
LT119A/LT319A
LM119/LM319
U
PACKAGE DESCRIPTIO
N Package
14-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
.770*
(19.558)
MAX
14
13
12
11
10
9
8
1
2
3
4
5
6
7
.255 ± .015*
(6.477 ± 0.381)
.130 ± .005
(3.302 ± 0.127)
.300 – .325
(7.620 – 8.255)
.045 – .065
(1.143 – 1.651)
.020
(0.508)
MIN
.065
(1.651)
TYP
.008 – .015
(0.203 – 0.381)
(
+.035
.325 –.015
+0.889
8.255
–0.381
NOTE:
1. DIMENSIONS ARE
)
.120
(3.048)
MIN
.005
(0.125) .100
MIN (2.54)
BSC
INCHES
MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
.018 ± .003
(0.457 ± 0.076)
N14 1002
119a319afb
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
11
LT119A/LT319A
LM119/LM319
U
TYPICAL APPLICATIO
5kHz to 2MHz V→F Converter
5V
50pF
POLYSTYRENE
3.3k
5V
5V
330Ω
TTL OUT
5kHz TO 2MHz
470Ω
10k
2k †
20k
5
0V TO 10V
2N2369
–
0.01µF 1/2 LT119A
4
+
3
220Ω
12
470Ω
22pF
10k
1M
2k
11
LT1004-1.2
–
–5V
7
ALL DIODES 1N4148
† SET SCALE FACTOR
5V
10k
10
1/2 LT119A
8
+
0.1µF
9
6
3k
LT119/319 TA9
–5V
119a319afb
12
Linear Technology Corporation
LT/TP 1102 1K REV B • PRINTED IN USA
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 1994
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