+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

+V

CC

V

+V

CC

V

A1

R1

R2

R3

V

A2

R1

R2

R3

D

-

V = V

V

A

A1

A2

V

= V

A2

CC

´

R2 || R3

R1 + (R2 || R3)

V

= V

A1

CC

´

R2

(R1 || R3) + R2

TLV3691

www.ti.com

SBOS694 – DECEMBER 2013

Inverting Comparator With Hysteresis

The inverting comparator with hysteresis requires a three-resistor network that is referenced to the comparator

(1)

Equation 2:

(2)

The total hysteresis provided by the network is defined by Equation 3:

(3)

Figure 29. TLV3691 in an Inverting Configuration with Hysteresis

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