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PDF LM2901EP Data sheet ( Hoja de datos )
| Número de pieza | LM2901EP | |
| Descripción | Low Power Low Offset Voltage Quad Comparators | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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January 2005
LM2901EP
Low Power Low Offset Voltage Quad Comparators
General Description
The LM2901EP consists of four independent precision volt-
age comparators with an offset voltage specification as low
as 2 mV max for all four comparators. These 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 gen-
erators; wide range VCO; MOS clock timers; multivibrators
and high voltage digital logic gates. The LM2901EP was
designed to directly interface with TTL and CMOS. When
operated from both plus and minus power supplies, it will
directly interface with MOS logic — where the low power
drain of the LM2901EP 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
Features
n Wide supply voltage range
n LM2901:
2 to 36 VDC or ±1 to ±18 VDC
n Very low supply current drain (0.8 mA) — independent
of supply voltage
n Low input biasing current:
25 nA
n Low input offset current:
±5 nA
n Offset voltage:
±3 mV
n Input common-mode voltage range includes GND
n Differential input voltage range equal to the power
supply voltage
n Low output saturation voltage:
250 mV at 4 mA
n Output voltage compatible with TTL, DTL, ECL, MOS
and CMOS logic systems
Advantages
n High precision comparator
n Reduced VOS drift over temperature
n Eliminates need for dual supplies
n Allows sensing near GND
n Compatible with all forms of logic
n Power drain suitable for battery operation
Applications
n Selected Military Applications
n Selected Avionics Applications
Ordering Information
PART NUMBER
LM2901MEP
(Notes 1, 2)
VID PART NUMBER
V62/04743-01
TBD
NS PACKAGE NUMBER (Note 3)
M14A
TBD
Note 1: For the following (Enhanced Plastic) version, check for availability: - LM2901MXEP, LM2901NEP. 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
© 2005 National Semiconductor Corporation DS201139
www.DataSheet.in
www.national.com
1 page  
Typical Performance Characteristics
Supply Current
Input Current
20113939
Output Saturation Voltage
20113940
Response Time for Various Input Overdrives
— Negative Transition
20113941
Response Time for Various Input Overdrives
— Positive Transition
20113942
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20113943
5
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5 Page 
Typical Applications (V+= 15 VDC) (Note 15) (Continued)
Squarewave Oscillator
Basic Comparator
20113921
Limit Comparator
20113916
Output Strobing
20113922
* Or open-collector logic gate without pull-up resistor
Crystal Controlled Oscillator
Comparing Input Voltages
of Opposite Polarity
20113924
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20113920
11
20113925
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11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet LM2901EP.PDF ] | |
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