Dual Differential Comparator Single Supply Operation: Dual Supply
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LM2903,LM393/LM393A
Dual Differential Comparator
Single Supply Operation: Dual Supply Operation: ±18V Allow Comparison Voltages Near Ground Potential Current Drain 800µA Typ. Compatible with Forms Logic Input Bias Current 25nA Typ. Input Offset Current ±5nA Typ. Offset Voltage ±1mV Typ.
Descritpion
LM2903,LM393/LM393A consist independent voltage comparators designed operate from single power supply over wide voltage range.
8-DIP
8-SOP
Internal Block Diagram
Rev.
©2000 Fairchild Semiconductor International
LM2903,LM393/LM393A
Schematic Diagram
Absolute Maximum Ratings
Parameter Power Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit Power Dissipation Operating Temperature LM393/LM393A LM2903 Storage Temperature Symbol VI(DIFF) TOPR TSTG Value Continuous Unit
LM2903,LM393/LM393A
Electrical Characteristics
(VCC =5V, TA=25°C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Current Input Bias Current Input Common Mode Voltage Range Supply Current Voltage Gain Large Signal Response Time Response Time Output Sink Current Output Saturation Voltage Output Leakage Current Symbol Conditions VO(P) =1.4V, VCM= 1.5V NOTE LM393A Min. NOTE NOTE VI(R) =15V, RL15K (for large VO(P-P)swing) =TTL Logic Swing VREF =1.4V, =5V, =5.1K =5V, =5.1K VI(-)1V, VI(+) =0V, VO(P)1.5V VI(-)1V, VI(+) VSAT ISINK VI(-) VI(+) NOTE VO(P) VO(P) NOTE Typ. Max. ±4.0 ±150 VCC-1.5 VCC-2 Min. LM393 Typ. Max. ±9.0 ±150 VCC-1.5 VCC-2 Unit
IBIAS
tRES tRES ISINK
V/mV
IO(LKG)
NOTE LM393/LM393A: +70°C LM2903: -40TA +85°C
LM2903,LM393/LM393A
Electrical Characteristics (Continued)
(VCC =5V, TA=25°C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Current Input Bias Current Input Common Mode Voltage Range Supply Current Voltage Gain Large Signal Response Time Response Time Output Sink Current Output Saturation Voltage Output Leakage Current
NOTE LM393/LM393A: +70°C LM2903: -40TA +85°C
Symbol IBIAS VI(R) tRES tRES ISINK VSAT IO(LKG)
Conditions VO(P) =1.4V, VCM= 1.5V NOTE NOTE NOTE NOTE =15V, RL15K(for large VO(P-P)swing) =TTL Logic Swing VREF =1.4V, =5V, =5.1K =5V, =5.1K VI(-)1V, VI(+) =0V, VO(P) 1.5V VI(-)1V, VI(+) ISINK VI(-) VI(+) NOTE VO(P) VO(P)
LM2903 Min. Typ. Max. ±200 VCC-1.5 VCC-2
Unit V/mV
LM2903,LM393/LM393A
Typical Performance Characteristics
Figure Supply Current Sopply Voltage
Figure Input Current Sopply Voltage
Figure Output Saturation Voltage Sink Current
Figure Respose Time Various Input Overdrive-Negative Transition
Figure Respose Time Various Input Overdive-Positive Transition
LM2903,LM393/LM393A
Mechanical Dimensions
Package
8-DIP
1.524 ±0.10 0.018 ±0.004 0.060 ±0.004 0.46 ±0.10 6.40 ±0.20 0.252 ±0.008 0.79 0.031 9.20 ±0.20 0.362 ±0.008 9.60 0.378 2.54 0.100 5.08 0.200 7.62 0.300 3.40 ±0.20 0.134 ±0.008 3.30 ±0.30 0.130 ±0.012 0.33 0.013
0.25 -0.05
0~15°
+0.10
0.010 -0.002
+0.004
LM2903,LM393/LM393A
Mechanical Dimensions (Continued)
Package
8-SOP
1.55 ±0.20 0.061 ±0.008 0.1~0.25 0.004~0.001
4.92 ±0.20 0.194 ±0.008 5.13 0.202
6.00 ±0.30 0.236 ±0.012
+0.10 0.15 -0.05 +0.004 0.006 -0.002
0.56 0.022 1.80 0.071 MAX0.10 MAX0.004 3.95 ±0.20 0.156 ±0.008 5.72 0.225 0.50 ±0.20 0.020 ±0.008
1.27 0.050
0.41 ±0.10 0.016 ±0.004
LM2903,LM393/LM393A
Ordering Information
Product Number LM393N LM393AN LM393M LM2903N LM2903M Package 8-DIP 8-SOP 8-DIP 8-SOP 85°C Operating Temperature 75°C
LM2903,LM393/LM393A
LM2903,LM393/LM393A
LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT FAIRCHILD SEMICONDUCTOR INTERNATIONAL. used herein: Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform when properly used accordance with instructions provided labeling, reasonably expected result significant injury user.
www.fairchildsemi.com 7/13/00 0.0m Stock#DSxxxxxxxx 2000 Fairchild Semiconductor International
critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.
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