LM2903EP

LM2903EP Low Power Low Offset Voltage Dual Comparators OBSOLETE LM2903EP September 29, 2009 Low Power Low Offset Voltage Dual Comparators General Description The LM2903EP consists of two independent precision voltage comparators with an offset voltage specification as low as 2.0 mV max for two comparators which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. This comparator also has a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Application areas include limit comparators, simple analog to digital converters; pulse, squarewave and time delay generators; wide range VCO; MOS clock timers; multivibrators and high voltage digital logic gates. The LM2903EP was designed to directly interface with TTL and CMOS. When operated from both plus and minus power supplies, the LM2903EP will directly interface with MOS logic where their low power drain is a distinct advantage over standard comparators. ENHANCED PLASTIC • Extended Temperature Performance of −40°C to +85°C • Baseline Control - Single Fab & Assembly Site • Process Change Notification (PCN) • Qualification & Reliability Data • Solder (PbSn) Lead Finish is standard • Enhanced Diminishing Manufacturing Sources (DMS) Support Advantages ■ ■ ■ ■ ■ ■ High precision comparators Reduced VOS drift over temperature Eliminates need for dual supplies Allows sensing near ground Compatible with all forms of logic Power drain suitable for battery operation Features ■ Wide supply ■ ■ ■ ■ ■ ■ ■ ■ 2.0V to 36V — Voltage range: ±1.0V to ±18V — Single or dual supplies: Very low supply current drain (0.4 mA) — independent of supply voltage Low input biasing current: 25 nA Low input offset current: ±5 nA Maximum offset voltage: ±3 mV Input common-mode voltage range includes ground Differential input voltage range equal to the power supply voltage Low output saturation voltage,: 250 mV at 4 mA Output voltage compatible with TTL, DTL, ECL, MOS and CMOS logic systems Applications ■ Selected Military Applications ■ Selected Avionics Applications Ordering Information PART NUMBER LM2903MEP (Note 1, Note 2) VID PART NUMBER V62/04745-01 TBD NS PACKAGE NUMBER (Note 3) M08A TBD Note 1: For the following (Enhanced Plastic) version, check for availability: - LM2903MXEP, LM2903NEP, LM2903ITLEP, LM2903ITLXEP. Parts listed with an "X" are provided in Tape & Reel and parts without an "X" are in Rails. Note 2: FOR ADDITIONAL ORDERING AND PRODUCT INFORMATION, PLEASE VISIT THE ENHANCED PLASTIC WEB SITE AT: www.national.com/ mil Note 3: Refer to package details under Physical Dimensions © 2009 National Semiconductor Corporation 201141 Print Date/Time: 2009/09/29 16:01:39 www.national.com 201141 Version 3 Revision 1 LM2903EP Schematic and Connection Diagrams Dual-In-Line/SOIC Package 20114101 20114102 micro SMD 20114145 Top View www.national.com 201141 Version 3 Revision 1 2 Print Date/Time: 2009/09/29 16:01:39 LM2903EP Absolute Maximum Ratings (Note 14) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Range −65°C to +150°C Supply Voltage, V+ 36V Soldering Information Differential Input Voltage (Note 12) 36V Dual-In-Line Package Input Voltage −0.3V to +36V Soldering (10 seconds) 260°C Input Current (VIN