©2001 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.2
Features
• Operates from a single 5V supply
• Typically 80ns respons e time at ±15V
• Open collector outputs : up to + 35V
• High output d rive current : 25m A
• Input s and outputs can be isol at e d from system groun d
• Minimum fan-out of 2 (each side)
• Two independent comparato rs
Description
The LM319 is a dual high speed voltage comparator
designed to operate from a single + 5V supply up to ±15V
dual supplies. Open collector of the outp ut stage makes th e
LM319 compatible with RTL, DTL and TTL as well as
capable of driving lamps and relays at currents up to
25mA. Typical response time of 80ns with ±15V power
supplies makes the LM 319 ideal fo r application in fast A/D
converts, level shifters, oscillators, and multivibrators.
14-SOP
14-DIP
1
1
Internal Block Diagram
LM319
Dual Comparator
LM319
2
Schematic Diagram
Absolute Maximum Ratings
Parameter Symbol Value Unit
Supply Voltage VCC 36 V
Output to Negative Supply Voltage VO - VEE 36 V
Ground to Negative Supply Voltage VEE 25 V
Ground to Positive Supply Voltage VCC 18 V
Differential Input Voltage VI(DIFF) 5V
Input Voltage VI±15 V
Output Short Circuit Duration - 10 sec
Power Dissipation PD500 mW
Operating Temperature Range TOPR 0 ~ + 70 °C
Storage Temperature Range TSTG -65 ~ + 150 °C
LM319
3
Electrical Characteristics
(VCC = + 15V, VEE = - 15V, TA = 25°C, unless otherwise specified)
Notes :
1. The offset voltage and offset currents given are the maximum values required to drive the output within a volt 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.
2. The response time specified is for a 100mV input step with 5mV overdrive.
3. LM319 : 0 ≤ TA ≤ +70°C
Parameter Symbol Conditions LM319 Unit
Min. Typ. Max.
Input Offset Voltage (Note 1) VIO RS ≤ 5KΩ- 2.0 8.0 mV
Note 3 - - 10
Input Offset Current (Note 1) IIO - 10 200 nA
Note 3 - - 300
Input Bias Current IBIAS - 150 1000 nA
Note 3 - - 1200
Voltage Gain GV-840-V/mV
Response Time (Note 2) TRES VCC = ±15V - 80 - ns
Saturation Voltage VSAT VCC=15V, VEE = -15V , VI ≤ -5 mV, I O = 25mA - 0.6 1.5 V
VCC = 4.5V,VEE = 0V
VI ≤ -10mV, IO ≤ 3.2mA Note3 - 0.3 0.4
Output Leakage Current IO(LKG) VI ≥ 5mV, VO(P) = 35V ---µANote 3 - - -
VI ≥ 10mV, VO(P) = 35V - 0.2 10
Input Voltage Range VI(R) Note 3 VCC = ±15V - ±13 - V
VCC = 5V, V EE = 0V 1 - 3
Differential Input Voltage VI(DIFF) ---±5V
Positive Supply Current ICC1 VCC = 5V, VEE = 0V - 3.6 - mA
Positive Supply Current ICC2 VCC = ±15V - 7.5 12.5 mA
Negative Supply Current IEE VCC = ±15V - 3 5 mA
LM319
4
Typical Performa n ce Cha ra cte ristic s
Figure 1. Input Current Figure 2. Output Saturation Voltage
Figure 3. Transfer Function Figure 4. Response Time for Various Input Overdriver
Figure 5. Resp onse Time Vario us Input Overdri ver Figure 6. Inpu t Characteris tics
LM319
5
Typical Performance Characteristics (continued)
Figure 7. Response Time for Various Input Overdriver Figure 8. Response Time for Various Input Overdriver
Figure 9. Supply Curre nt Figure 10. Supply Curr ent
Figur e 11. Common Mode Limits Figur e 12. O utput Limiting Characteristic s
LM319
6
Mechanical Dimensions
Package Dimensions in millimeters
6.40 ±0.20
7.62
0.300
2.54
0.100
#1
#7 #8
#14
0.252 ±0.008
0~15°
0.25
+0.10
–0.05
0.010
+0.004
–0.002
3.30 ±0.30
0.130 ±0.012
3.25 ±0.20
0.128 ±0.008
19.40 ±0.20
0.764 ±0.008
19.80
0.780 MAX
5.08
0.200
0.20
0.008
MAX
MIN
2.08
0.082
()
0.46 ±0.10
0.018 ±0.004
0.059 ±0.004
1.50 ±0.10
14-DIP
LM319
7
Mechanical Dimensions (Continued)
Package Dimensions in millimeters
8.56
±0.20
0.337
±0.008
1.27
0.050
5.72
0.225
1.55
±0.10
0.061
±0.004
0.05
0.002
6.00
±0.30
0.236
±0.012
3.95
±0.20
0.156
±0.008
0.60
±0.20
0.024
±0.008
8.70
0.343 MAX
#1
#7 #8
0~8°
#14
0.47
0.019
()
1.80
0.071
MAX0.10
MAX0.004
MAX
MIN
+
0.10
-0.05
0.20+
0.004
-0.002
0.008
+
0.10
-0.05
0.406+
0.004
-0.002
0.016
14-SOP
LM319
8
Ordering Information
Product Number Package Operating Temperature
LM319N 14-DIP 0 ~ + 70°C
LM319M 14-SOP
LM319
9
LM319
10/23/01 0.0m 001
Stock#DSxxxxxxxx
2001 Fairchild Semicond uctor Corporation
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