Instrukcja obsługi Texas Instruments 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 1999REVISED OCTO BER 2018
LMx93-N, LM2903-N Low-P ower, Low-Oset 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 Oset Current: ±5 nA
Maximum Oset voltage: ±3 mV
Input Common-Mode Voltage Range I ncludes
Ground
Dierential 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 oset voltage
specication as low as 2.0 mV max for two
comparators which were designed specically 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.
Simplied Schematic


Specyfikacje produktu

Marka: Texas Instruments
Kategoria: Niesklasyfikowane
Model: LM2903M/NOPB

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