Through-Hole Comparators 1,495

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Part RoHS Manufacturer Amplifier Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Nominal Unity Gain Bandwidth Maximum Negative Supply Voltage Limit Maximum Input Offset Voltage Maximum Average Bias Current (IIB) Surface Mount No. of Functions Minimum Common Mode Reject Ratio Technology Screening Level Nominal Common Mode Reject Ratio Maximum Supply Current Nominal Negative Supply Voltage (Vsup) Minimum Isolation Voltage Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Package Style (Meter) Package Equivalence Code Sub-Category Nominal Slow Rate Maximum Supply Voltage Limit Terminal Pitch Maximum Operating Temperature Maximum Bias Current (IIB) @25C Maximum Common Mode Voltage Nominal Response Time Output Type Minimum Operating Temperature Terminal Finish Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Seated Height Width Qualification Nominal Bandwidth (3dB) JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length

HA17339A

Renesas Electronics

Comparator

Industrial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

7 mV

250 nA

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.3 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T14

1

0.199 in (5.06 mm)

0.3 in (7.62 mm)

No

0.756 in (19.2 mm)

CA239AF

Renesas Electronics

Comparator

Other

Through-Hole

14

DIP

Rectangular

Ceramic

4 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.3 µs

-25 °C (-13 °F)

Dual

R-XDIP-T14

No

UPC271D

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

8

DIP

Rectangular

Ceramic

10 mV

No

1

BIPOLAR

-15 V

15 V

±15 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

80 °C (176 °F)

-20 °C (-4 °F)

Tin/Lead

Dual

R-XDIP-T8

No

e0

5962-01-111-0891

Renesas Electronics

Comparator

Military

Through-Hole

16

DIP

Rectangular

Ceramic

No

BIPOLAR

MIL-STD-883 Class B (Modified)

In-Line

DIP16,.3

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDIP-T16

No

HS1-139RH-Q

Renesas Electronics

Comparator

Military

Through-Hole

14

DIP

Rectangular

300k Rad(Si)

Ceramic, Metal-Sealed Cofired

2 mV

No

4

MIL-PRF-38535 Class V

In-Line

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Gold

Dual

R-CDIP-T14

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

e4

M51923P

Renesas Electronics

Comparator

Commercial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

No

2

BIPOLAR

2.5 mA

2.5/28 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

-20 °C (-4 °F)

Dual

R-PDIP-T8

No

HA1-4902-2

Renesas Electronics

Comparator

Military

Through-Hole

16

DIP

Rectangular

Ceramic, Metal-Sealed Cofired

8 mV

200 nA

No

4

-15 V

Tube

15 V

In-Line

Comparators

33 V

0.1 in (2.54 mm)

125 °C (257 °F)

180 ns

Open-Drain

-55 °C (-67 °F)

Tin Lead

Dual

R-CDIP-T16

0.2 in (5.08 mm)

0.3 in (7.62 mm)

e0

0.84 in (21.34 mm)

M38510/10302BCX

Renesas Electronics

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic, Glass-Sealed

-7 V

4.5 mV

150 uA

No

2

MIL-M-38510 Class B

-6 V

12 V

In-Line

14 V

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-GDIP-T14

No

HA17339AP

Renesas Electronics

Comparator

Industrial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

7 mV

250 nA

No

4

BIPOLAR

5 V

In-Line

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

1.3 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T14

0.199 in (5.06 mm)

0.3 in (7.62 mm)

No

0.756 in (19.2 mm)

HA17903PSJ

Renesas Electronics

Comparator

Industrial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

250 nA

No

1

BIPOLAR

5 V

In-Line

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

1.3 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T8

0.199 in (5.06 mm)

0.3 in (7.62 mm)

No

0.378 in (9.6 mm)

5962F9861301VCX

Renesas Electronics

Comparator

Military

Through-Hole

14

DIP

Rectangular

300k Rad(Si)

Ceramic, Metal-Sealed Cofired

2 mV

100 nA

No

4

MIL-PRF-38535 Class V

5 V

In-Line

Comparators

36 V

125 °C (257 °F)

-55 °C (-67 °F)

Gold

Dual

R-CDIP-T14

Yes

e4

HS1-139RH/PROTO

Renesas Electronics

Comparator

Military

Through-Hole

14

DIP

Rectangular

300k Rad(Si)

Ceramic, Metal-Sealed Cofired

2 mV

No

4

In-Line

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Gold

Dual

R-CDIP-T14

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

e4

UPC311C-A

Renesas Electronics

Comparator

Commercial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

10 mV

No

1

BIPOLAR

-15 V

15 V

±15 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Tin Bismuth

Dual

R-PDIP-T8

No

e6

10 s

260 °C (500 °F)

HS1-139RH-T

Renesas Electronics

Comparator

Military

Through-Hole

14

DIP

Rectangular

100k Rad(Si)

Ceramic, Metal-Sealed Cofired

2 mV

1 uA

No

4

BIPOLAR

MIL-PRF-38535 Class T

3 mA

5 V

5/30 V

In-Line

DIP14,.3

Comparators

36 V

0.1 in (2.54 mm)

125 °C (257 °F)

1 uA

-55 °C (-67 °F)

Tin Lead

Dual

R-CDIP-T14

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

e0

CA239F

Renesas Electronics

Comparator

Other

Through-Hole

14

DIP

Rectangular

Ceramic

9 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.3 µs

-25 °C (-13 °F)

Dual

R-XDIP-T14

No

UPC393C(5)-A

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

No

2

BIPOLAR

1 mA

5 V

5 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

80 °C (176 °F)

250 nA

-20 °C (-4 °F)

Dual

R-PDIP-T8

No

EL2252CN

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

14

Rectangular

Plastic/Epoxy

-18 V

13 mV

21 uA

No

2

-15 V

15 V

Comparators

18 V

75 °C (167 °F)

16 uA

9 ns

0 °C (32 °F)

Dual

R-PDIP-T14

M5233P

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

250 nA

No

2

BIPOLAR

1 mA

5 V

12 V

In-Line

DIP8,.3

Comparators

36 V

0.1 in (2.54 mm)

75 °C (167 °F)

250 nA

1.3 µs

Open-Collector

-20 °C (-4 °F)

Dual

R-PDIP-T8

0.177 in (4.5 mm)

0.3 in (7.62 mm)

No

0.35 in (8.9 mm)

M5233L

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

8

SIP

Rectangular

Plastic/Epoxy

5 mV

250 nA

No

2

BIPOLAR

1 mA

5 V

12 V

In-Line

SIP8,.06

Comparators

36 V

0.1 in (2.54 mm)

75 °C (167 °F)

250 nA

1.3 µs

Open-Collector

-20 °C (-4 °F)

Single

R-PSIP-T8

1

0.327 in (8.3 mm)

0.11 in (2.8 mm)

No

0.748 in (19 mm)

HA4902-2

Renesas Electronics

Comparator

Military

Through-Hole

16

DIP

Rectangular

Ceramic, Metal-Sealed Cofired

8 mV

200 nA

No

4

BIPOLAR

15 V

In-Line

Comparators

33 V

0.1 in (2.54 mm)

125 °C (257 °F)

180 ns

-55 °C (-67 °F)

Dual

R-CDIP-T16

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

UPC339C(5)-A

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

2.5 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

80 °C (176 °F)

60 nA

1.3 µs

-20 °C (-4 °F)

Dual

R-PDIP-T14

No

UPC339C(5)

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

2.5 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

80 °C (176 °F)

60 nA

1.3 µs

-20 °C (-4 °F)

Dual

R-PDIP-T14

No

HA17903APS-E

Renesas Electronics

Comparator

Industrial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

250 nA

No

2

BIPOLAR

Tube

5 V

In-Line

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

1.3 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T8

0.199 in (5.06 mm)

0.3 in (7.62 mm)

0.378 in (9.6 mm)

UPC177ED

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

14

DIP

Rectangular

Ceramic

5 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

80 °C (176 °F)

250 nA

1.3 µs

-20 °C (-4 °F)

Tin/Lead

Dual

R-XDIP-T14

No

e0

HA17903PS

Renesas Electronics

Comparator

Commercial Extended

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

250 nA

No

2

BIPOLAR

4 mA

5 V

5 V

In-Line

DIP8,.3

Comparators

36 V

0.1 in (2.54 mm)

75 °C (167 °F)

250 nA

1.3 µs

Open-Collector

-20 °C (-4 °F)

Dual

R-PDIP-T8

0.199 in (5.06 mm)

0.3 in (7.62 mm)

No

0.378 in (9.6 mm)

UPC339C-A

Renesas Electronics

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

5 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

250 nA

1.3 µs

0 °C (32 °F)

Tin Bismuth

Dual

R-PDIP-T14

No

e6

10 s

260 °C (500 °F)

5962-01-109-4223

Renesas Electronics

Comparator

Commercial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

350 μA

5 V

5 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T8

1

No

UPC393C-A

Renesas Electronics

Comparator

Commercial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

5 mV

No

2

BIPOLAR

5 V

5 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Tin Bismuth

Dual

R-PDIP-T8

No

e6

10 s

260 °C (500 °F)

HA17901AP

Renesas Electronics

Comparator

Industrial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

7 mV

250 nA

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.3 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T14

1

0.199 in (5.06 mm)

0.3 in (7.62 mm)

No

0.756 in (19.2 mm)

CA339F

Renesas Electronics

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Ceramic

9 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

250 nA

1.3 µs

0 °C (32 °F)

Dual

R-XDIP-T14

No

CA139F

Renesas Electronics

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic

9 mV

No

4

BIPOLAR

2 mA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

100 nA

1.3 µs

-55 °C (-67 °F)

Dual

R-XDIP-T14

No

KA219

Samsung

Comparator

Other

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

-18 V

7 mV

1 uA

No

2

BIPOLAR

-15 V

15 V

5/±15 V

In-Line

DIP14,.3

Comparators

18 V

0.1 in (2.54 mm)

85 °C (185 °F)

500 nA

80 ns

Open-Collector

-25 °C (-13 °F)

Tin Lead

Dual

R-PDIP-T14

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

e0

0.764 in (19.4 mm)

KA711CN

Samsung

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

6 mV

No

BIPOLAR

12,-6 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

100 uA

40 ns

0 °C (32 °F)

Tin/Lead

Dual

R-PDIP-T14

No

e0

KA311

Samsung

Comparator

Commercial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

-18 V

10 mV

300 nA

No

1

BIPOLAR

-15 V

15 V

±15 V

In-Line

DIP8,.3

Comparators

18 V

0.1 in (2.54 mm)

70 °C (158 °F)

250 nA

200 ns

Open-Collector

0 °C (32 °F)

Dual

R-PDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

0.362 in (9.2 mm)

KA2903

Samsung

Comparator

Industrial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

0 V

15 mV

500 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

DIP8,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.5 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

0.362 in (9.2 mm)

KA239A

Samsung

Comparator

Other

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

0 V

4 mV

400 nA

No

4

BIPOLAR

2 mA

0 V

5 V

5 V

In-Line

DIP14,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-20 °C (-4 °F)

Dual

R-PDIP-T14

No

KA2901

Samsung

Comparator

Industrial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

0 V

15 mV

500 nA

No

4

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

DIP14,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T14

No

KA239

Samsung

Comparator

Other

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

0 V

9 mV

400 nA

No

4

BIPOLAR

2 mA

0 V

5 V

5 V

In-Line

DIP14,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-20 °C (-4 °F)

Dual

R-PDIP-T14

No

KA2903S

Samsung

Comparator

Industrial

Through-Hole

9

SIP

Rectangular

Plastic/Epoxy

0 V

15 mV

500 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

SIP9,.1

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.5 µs

Open-Collector

-40 °C (-40 °F)

Tin Lead

Single

R-PSIP-T9

0.287 in (7.3 mm)

0.118 in (3 mm)

No

e0

0.86 in (21.84 mm)

KA293AS

Samsung

Comparator

Other

Through-Hole

9

SIP

Rectangular

Plastic/Epoxy

0 V

4 mV

400 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

SIP9,.1

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-25 °C (-13 °F)

Tin Lead

Single

R-PSIP-T9

0.287 in (7.3 mm)

0.118 in (3 mm)

No

e0

0.86 in (21.84 mm)

KA293S

Samsung

Comparator

Other

Through-Hole

9

SIP

Rectangular

Plastic/Epoxy

0 V

9 mV

400 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

SIP9,.1

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-25 °C (-13 °F)

Tin Lead

Single

R-PSIP-T9

0.287 in (7.3 mm)

0.118 in (3 mm)

No

e0

0.86 in (21.84 mm)

KA710IN

Samsung

Comparator

Other

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

3 mV

No

1

BIPOLAR

12,-6 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

85 °C (185 °F)

20 uA

40 ns

-25 °C (-13 °F)

Tin/Lead

Dual

R-PDIP-T14

No

e0

KA293

Samsung

Comparator

Other

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

0 V

9 mV

400 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

DIP8,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-25 °C (-13 °F)

Tin Lead

Dual

R-PDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

e0

0.362 in (9.2 mm)

KA393S

Samsung

Comparator

Commercial

Through-Hole

9

SIP

Rectangular

Plastic/Epoxy

0 V

9 mV

400 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

SIP9,.1

Comparators

36 V

0.1 in (2.54 mm)

70 °C (158 °F)

250 nA

1.4 µs

Open-Collector

0 °C (32 °F)

Tin/Lead

Single

R-PSIP-T9

0.287 in (7.3 mm)

0.118 in (3 mm)

No

e0

0.86 in (21.84 mm)

KA711I

Samsung

Comparator

Other

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

-7 V

4.5 mV

150 uA

No

2

BIPOLAR

-6 V

12 V

12,-6 V

In-Line

DIP14,.3

Comparators

14 V

0.1 in (2.54 mm)

85 °C (185 °F)

75 uA

40 ns

Totem Pole

-25 °C (-13 °F)

Tin Lead

Dual

R-PDIP-T14

No

e0

KA710CN

Samsung

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

6.5 mV

No

1

BIPOLAR

12,-6 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

25 uA

40 ns

0 °C (32 °F)

Tin/Lead

Dual

R-PDIP-T14

No

e0

KA293A

Samsung

Comparator

Other

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

0 V

4 mV

400 nA

No

2

BIPOLAR

2.5 mA

0 V

5 V

5 V

In-Line

DIP8,.3

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.4 µs

Open-Collector

-25 °C (-13 °F)

Tin Lead

Dual

R-PDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

e0

0.362 in (9.2 mm)

KA710

Samsung

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

-7 V

6.5 mV

No

1

BIPOLAR

-6 V

12 V

12,-6 V

In-Line

DIP14,.3

Comparators

14 V

0.1 in (2.54 mm)

70 °C (158 °F)

25 uA

40 ns

Totem Pole

0 °C (32 °F)

Tin Lead

Dual

R-PDIP-T14

No

e0

Comparators

Comparators are electronic circuits that compare two input voltages and output a voltage signal that indicates which of the inputs is larger. A comparator is similar to an operational amplifier (op-amp), but it is designed to operate with a limited range of voltage outputs (typically near the power supply rails) and with very high gain.

A comparator typically has two input terminals, a non-inverting (+) input and an inverting (-) input, and one output. When the voltage at the non-inverting input is greater than the voltage at the inverting input, the output of the comparator switches to its maximum positive voltage. Conversely, when the voltage at the inverting input is greater than the voltage at the non-inverting input, the output of the comparator switches to its maximum negative voltage.

Comparators are often used in applications where a precise measurement or detection of voltage level is required, such as in voltage reference circuits, level detectors, and waveform generators. They can also be used to implement digital logic circuits and are frequently used in A/D converters and motor control circuits.

It is worth noting that a comparator output can switch quickly between its high and low states, so they can be sensitive to noise and require careful circuit design to ensure proper operation. In addition, some comparators may include features such as hysteresis, which can help to reduce noise and ensure stable operation in the presence of small fluctuations in the input signals.