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LMP7300 Datasheet(PDF) 10 Page - Texas Instruments

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Part # LMP7300
Description  Micropower Precision Comparator and Precision Reference with Adjustable Hysteresis
PDF  17 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LMP7300 Datasheet(HTML) 10 Page - Texas Instruments

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V
+
GND
V
+
2.048V
GND
INP
INN
HYSTP
HYSTN
VREF
OUT
+
-
+
-
VIN
RPULLUP
1 M:
VIN
0
VOUT
1
OUTPUT
STATE
VIL = VREF -10 mV
-10 mV
+3 mV
VIL
VREF
VIH
VIH = VREF +3 mV
V
+
GND
V
+
2.048V
GND
INP
INN
HYSTP
HYSTN
VREF
OUT
RP1
1.47 k:
1%
RN2
1 M:
1%
+
-
+
-
VIN
RP2
1 M:
1%
RN1
4.91 k:
1%
RPULLUP
1 M:
VIL =
R1
R1 + R2
VREF - VREF ¨
¨
©
§
VIH =
R1
R1 + R2
VREF + VREF ¨
¨
©
§
LMP7300
SNOSAT7F – AUGUST 2007 – REVISED MARCH 2013
www.ti.com
(1)
Figure 13. Typical Micropower Application to Set Asymmetric Positive and
Negative Hysteresis of
−10 mV, +3 mV
Figure 14. Typical Micropower Application to Set Asymmetric Positive and
Negative Hysteresis of
−10 mV, +3 mV
When VID = 0, INN = INP = VTH
Figure 16 shows the configuration with no hysteresis when the HYSTP and HYSTN pins are connected together
to VREF. This configuration is not recommended because it has the highest level of false triggers due to the
system noise.
Figure 15. Typical Configuration for No Hysteresis
10
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Copyright © 2007–2013, Texas Instruments Incorporated
Product Folder Links: LMP7300



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