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LM2903N 데이터시트(PDF) 1 Page - Texas Instruments |
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LM2903N 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 29 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM193-N, LM2903-N, LM293-N, LM393-N SNOSBJ6F – OCTOBER 1999 – REVISED DECEMBER 2014 LMx93-N, LM2903-N Low-Power, Low-Offset Voltage, Dual Comparators 1 Features 3 Description The LM193-N series consists of two independent 1 • Wide Supply precision voltage comparators with an offset voltage – Voltage Range: 2.0 V to 36 V specification as low as 2.0 mV max for two – Single or Dual Supplies: ±1.0 V to ±18 V comparators which were designed specifically to operate from a single power supply over a wide range • Very Low Supply Current Drain (0.4 mA) — of voltages. Operation from split power supplies is Independent of Supply Voltage also possible and the low power supply current drain • Low Input Biasing Current: 25 nA is independent of the magnitude of the power supply • Low Input Offset Current: ±5 nA voltage. These comparators also have a unique characteristic in that the input common-mode voltage • Maximum Offset voltage: ±3 mV range includes ground, even though operated from a • Input Common-Mode Voltage Range Includes single power supply voltage. Ground Application areas include limit comparators, simple • Differential Input Voltage Range Equal to the analog to digital converters; pulse, squarewave and Power Supply Voltage time delay generators; wide range VCO; MOS clock • Low Output Saturation Voltage: 250 mV at 4 mA timers; multivibrators and high voltage digital logic • Output Voltage Compatible with TTL, DTL, ECL, gates. The LM193-N series was designed to directly interface with TTL and CMOS. When operated from MOS and CMOS logic systems both plus and minus power supplies, the LM19-N • Available in the 8-Bump (12 mil) DSBGA Package series will directly interface with MOS logic where • See AN-1112 (SNVA009) for DSBGA their low power drain is a distinct advantage over Considerations standard comparators. • Advantages The LM393 and LM2903 parts are available in TI’s – High Precision Comparators innovative thin DSBGA package with 8 (12 mil) large bumps. – Reduced VOS Drift Over Temperature – Eliminates Need for Dual Supplies Device Information(1) – Allows Sensing Near Ground PART NUMBER PACKAGE BODY SIZE (NOM) – Compatible with All Forms of Logic LM193-N TO-99 (8) 9.08 mm x 9.08 mm – Power Drain Suitable for Battery Operation LM293-N LM393-N SOIC (8) 4.90 mm x 3.91 mm 2 Applications LM2903-N • Battery powered applications (1) For all available packages, see the orderable addendum at the end of the datasheet. • Industrial applications 4 Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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