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TLV7031 Datasheet(PDF) 20 Page - Texas Instruments

Part # TLV7031
Description  TLV703x and TLV704x Small-Size, Nanopower, Low-Voltage Comparators
PDF  69 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TLV7031 Datasheet(HTML) 20 Page - Texas Instruments

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+V
+5 V
CC
R
100 k
LOAD
W
V
O
R3
1 MW
R2
1 MW
R1
1 MW
V
IN
V
A
5 V
0 V
1.67 V
3.33 V
V
A2
V
A1
V
IN
V
O High
+V
CC
V
O Low
+V
CC
V
A1
R1
R2
R3
V
A2
R1
R2
R3
Copyright © 2016, Texas Instruments Incorporated
Figure 7-1. TLV703x in an Inverting Configuration With Hysteresis
7.1.2 Non-Inverting Comparator With Hysteresis for TLV703x
A noninverting comparator with hysteresis requires a two-resistor network, as shown in Figure 7-2, and a voltage
reference (VREF) at the inverting input. When VIN is low, the output is also low. For the output to switch from low
to high, VIN must rise to VIN1. Use Equation 4 to calculate VIN1.
V
= R1
IN1
´
VREF
R2
+ VREF
(4)
When VIN is high, the output is also high. For the comparator to switch back to a low state, VIN must drop to VIN2
such that VA is equal to VREF. Use Equation 5 to calculate VIN2.
V
=
IN2
V
REF
CC
(R1 + R2)
V
R1
-
´
R2
(5)
The hysteresis of this circuit is the difference between VIN1 and VIN2, as shown in Equation 6.
DV = V
IN
CC
´
R1
R2
(6)
TLV7031, TLV7032, TLV7041, TLV7042, TLV7034, TLV7044
SLVSE13J – SEPTEMBER 2017 – REVISED NOVEMBER 2024
www.ti.com
20
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TLV7031 TLV7032 TLV7041 TLV7042 TLV7034 TLV7044



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