LND393A 데이터 시트보기 (PDF) - Linear Dimensions Semiconductor
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LND393A Datasheet PDF : 4 Pages
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DATA SHEET
LND393
Dual Differential Comparators
GENERAL DESCRIPTION
The LND393 consists of two independent
precision voltage comparators with an offset
voltage specification as low as 2.0 mV max for
two comparators. They are specifically
designed to operate from a single power supply
over a wide range of voltages. In addition, the
comparators have the unique ability in that the
input common-mode voltage range includes
ground, while operated from a single power
supply voltage. 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.
Application areas include limit comparators,
simple analog to digital converters, pulse,
squarewave and time delay generators: wide
range VCO, MOS clock timers, multi-vibrators
and high voltage digital logic gates. The
LND393 was designed to directly interface with
TTL and CMOS. When the LND393 is operated
from both plus and minus power supplies, it will
directly interface with MOS logic where their low
power drain is a distinct advantage over
standard comparators.
PIN CONFIGURATION
OUTPUT A
1
INVERTING
INPUT A
2
NON-INVERTING
INPUT A
3
GROUND
4
AB
-++-
V+
8
7 OUTPUT B
INVERTING
6 INPUT B
NON-INVERTING
5 INPUT B
FEATURES
• Wide supply (Voltage range single
and dual supplies 5V to 30V, ±2.5V to
±15V)
• Very Low supply current drain(0.8mA)
• Low input biasing current(25nA)
• Low input offset voltage(±5nA)
• Maximum offset voltage(±5mV)
• Input common-mode voltage range
includes ground
• Differential input voltage range equal
to the power supply voltage
• Output voltage compatible with TTL,
DTL,ECL ,MOS and CMOS logic
systems
ADVANTAGES
• High precision comparators
• Reduce VOS drift over temperature
• Power drain suitable for battery
operation
• Compatible with all forms of logic
• Allows sensing near ground
• Eliminates need for dual supplies
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
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