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| www.fairchildsemi.com LM319 Dual Comparator Features * * * * * * * Operates from a single 5V supply Typically 80ns response time at 15V Open collector outputs : up to + 35V High output drive current : 25mA Inputs and outputs can be isolated from system ground Minimum fan-out of 2 (each side) Two independent comparators 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 output stage makes the 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 LM319 ideal for application in fast A/D converts, level shifters, oscillators, and multivibrators. 14-DIP 1 14-SOP 1 Internal Block Diagram Rev. 1.0.2 (c)2001 Fairchild Semiconductor Corporation LM319 Schematic Diagram Absolute Maximum Ratings Parameter Supply Voltage Output to Negative Supply Voltage Ground to Negative Supply Voltage Ground to Positive Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit Duration Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VCC VO - VEE VEE VCC VI(DIFF) VI PD TOPR TSTG Value 36 36 25 18 5 15 10 500 0 ~ + 70 -65 ~ + 150 Unit V V V V V V sec mW C C 2 LM319 Electrical Characteristics (VCC = + 15V, VEE = - 15V, TA = 25C, unless otherwise specified) Parameter Input Offset Voltage (Note 1) Input Offset Current (Note 1) Input Bias Current Voltage Gain Response Time (Note 2) Saturation Voltage Symbol VIO IIO IBIAS GV TRES VSAT VCC = 15V VCC=15V, VEE = -15V , VI -5mV, IO = 25mA VCC = 4.5V,VEE = 0V VI -10mV, IO 3.2mA VI 5mV, VO(P) = 35V VI 10mV, VO(P) = 35V Input Voltage Range Differential Input Voltage Positive Supply Current Positive Supply Current Negative Supply Current VI(R) VI(DIFF) ICC1 ICC2 IEE VCC = 5V, VEE = 0V VCC = 15V VCC = 15V Note 3 VCC = 15V VCC = 5V, VEE = 0V Note3 RS 5K Conditions LM319 Min. Typ. Max. Note 3 Note 3 Note 3 8 Note 3 1 2.0 10 40 80 0.6 0.3 0.2 13 3.6 7.5 3 8.0 10 200 300 1200 1.5 0.4 10 3 5 12.5 5 V V mA mA mA A V Unit mV nA nA V/mV ns 150 1000 Output Leakage Current IO(LKG) 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 +70C 3 LM319 Typical Performance Characteristics Figure 1. Input Current Figure 2. Output Saturation Voltage Figure 3. Transfer Function Figure 4. Response Time for Various Input Overdriver Figure 5. Response Time Various Input Overdriver Figure 6. Input Characteristics 4 LM319 Typical Performance Characteristics (continued) Figure 7. Response Time for Various Input Overdriver Figure 8. Response Time for Various Input Overdriver Figure 9. Supply Current Figure 10. Supply Current Figure 11. Common Mode Limits Figure 12. Output Limiting Characteristics 5 LM319 Mechanical Dimensions Package Dimensions in millimeters 14-DIP 6.40 0.20 0.252 0.008 ( #1 #14 2.08 ) 0.082 19.80 MAX 0.780 19.40 0.20 0.764 0.008 #7 #8 7.62 0.300 3.25 0.20 0.128 0.008 0.20 0.008 MIN 5.08 MAX 0.200 3.30 0.30 0.130 0.012 0.25 -0.05 0~15 +0.10 0.010 -0.002 +0.004 6 2.54 0.100 0.46 0.10 0.018 0.004 1.50 0.10 0.059 0.004 LM319 Mechanical Dimensions (Continued) Package Dimensions in millimeters 14-SOP MIN 1.55 0.10 0.061 0.004 0.05 0.002 0.47 ) 0.019 MAX0.10 MAX0.004 1.27 0.050 +0.10 0.406 -0.05 +0.004 0.016 -0.002 ( #1 #14 8.70 MAX 0.343 #7 6.00 0.30 0.236 0.012 #8 1.80 MAX 0.071 +0.10 0.20 -0.05 +0.004 0.008 -0.002 3.95 0.20 0.156 0.008 0.60 0.20 0.024 0.008 5.72 0.225 0~ 8 8.56 0.20 0.337 0.008 7 LM319 Ordering Information Product Number LM319N LM319M Package 14-DIP 14-SOP Operating Temperature 0 ~ + 70C 8 LM319 9 LM319 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. www.fairchildsemi.com 10/23/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. |
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