(Hong Kong)
Product Summary
The LM193 and LM2903 series consists of two independent precision voltage comparators with an offset voltage specification aslow as 2.0 mV max for two comparators which were de-signed specifically to operate from a single power supplyover a wide range of voltages. Operation from split powersupplies is also possible and the low power supply current drain is independent of the magnitude of the power supplyvoltage. These comparators also have a unique characteris-tic in that the input common-mode voltage range includesground, even though operated from a single power supplyvoltage.
The LM393 and LM2903 parts are available in National'sinnovative thin micro SMD package with 8 (12 mil) largebumps.
Parametrics
The absolute maximum ratings of LM2903MX are (1)Supply Voltage, V:+36V; (2)Differential Input Voltage (Note 8):36V; (3)Input Voltage:-0.3V to +36V; (4)Input Current (VIN<-0.3V) (Note 3):50 mA; (5)Output Short-Circuit to Ground(Note 2):Continuous; (6)Storage Temperature Range:-65°C to +150°C; (7)Lead Temperature(Soldering, 10 seconds):+260°C
Features
The features of LM2903MX can be summarized as (1)Wide supply:Voltage range:2.0V to 36V;Single or dual supplies:±1.0V to ±18V; (2)Very low supply current drain (0.4 mA)-independent of supply voltage; (3)Low input biasing current:25 nA; (4)Low input offset current:±5nA; (5)Maximum offset voltage:±3mV; (6)Input common-mode voltage range includes ground; (7)Differential input voltage range equal to the power supply voltage; (8)Low output saturation voltage,:250 mV at 4 mA; (9)Output voltage compatible with TTL, DTL, ECL, MOSand CMOS logic systems; (10)Available in the 8-Bump (12 mil) micro SMD package; (11)See AN-1112 for micro SMD considerations
Diagrams
<P><IMG alt="LM2903MX Block Diagram" src="http://www.seekic.com/uploadfile/ic-mfg/201272720176461.jpg" border=0></P>
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 LM2903MX |
Fairchild Semiconductor |
Comparator ICs SOP-8 Dual |
Data Sheet |
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LM2903MX/NOPB |
National Semiconductor (TI) |
Comparator ICs LOW PWR LOW OFFSET VLTG DUAL COMPARATOR |
Data Sheet |
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