Texas Instruments LM2903M/NOPB Bedienungsanleitung
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LM2903M/NOPB
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An IMPORTANT NOTICE at the end o f this data sheet addr esses availability, warranty, chan ges, use in safety-critica l applications,
inte llectual property matters and other important disclaimers. PRODUCTION DATA.
LM193-N
,
LM2903-N
,
LM293-N
,
LM393-N
SNOSBJ6G – OCTO BER 1999–REVISED OCTO BER 2018
LMx93-N, LM2903-N Low-P ower, Low-Oset Voltage, Dual Comparators
1
1 Features
1 • Wide Supply
– Voltage Range: 2.0 V to 36 V
– Single or Dual Supplies: ±1.0 V to ±18 V
• Very Low Supply Current Drain (0.4 mA) —
Independent of Supply Voltage
• Low Input Biasing Current: 25 nA
• Low Input Oset Current: ±5 nA
• Maximum Oset voltage: ±3 mV
• Input Common-Mode Voltage Range I ncludes
Ground
• Dierential 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 l ogic systems
• Available in the 8-Bump (12 mil) DSBGA Package
• See AN-1112 ( ) for DSBGASNVA009
Considerations
• Advantages
– High Precision Comparators
– Reduced V OS Drift Over Temperature
– Eliminates Need for Dual Supplies
– Allows Sensing Near Ground
– Compatible with All Forms of Logic
– Power Drain Suitable for Battery Operation
2 Applications
• Battery Powered Applications
• Industrial Applications
3 Description
The LM193-N series consists of two independent
precision voltage comparators with an oset voltage
specication as low as 2.0 mV max for two
comparators which were designed specically 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. These comparators also have a unique
characteristic in that the input common-mode voltage
range i ncludes 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; multiv ibrators and high voltage digital logic
gates. The LM193-N series was designed to directly
interface with TTL and CMOS. When operated from
both plus and minus power supplies, the LM19-N
series will direct ly interface with MOS logic where
their low power drain is a distinct advantage over
standard comparators.
The LM393 and LM2903 parts are available in TI’s
innovative thin DSBGA package with 8 (12 mil) large
bumps.
Device Information(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
LM193-N TO-99 (8) 9.08 mm x 9.08 mm
LM293-N
LM393-N SOIC (8) 4.90 mm x 3.91 mm
DS BGA (8) 1.54 mm x 1.54 mm
LM2903-N SOIC (8) 4.90 mm x 3.91 mm
DS BGA (8) 1.54 mm x 1.54 mm
(1) For a ll available package s, see the orderable addend um at
the end of the datasheet.
Simplied Schematic
Produktspezifikationen
| Marke: | Texas Instruments |
| Kategorie: | Nicht kategorisiert |
| Modell: | LM2903M/NOPB |
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