Comparators

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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

TLV9031DCKR

Texas Instruments

Comparator

Gull Wing

5

TSSOP

Rectangular

Plastic/Epoxy

2 mV

Yes

1

35 μA

Tape And Reel, 7 Inch

5 V

Small Outline, Thin Profile, Shrink Pitch

TSSOP5/6,.08

6 V

0.026 in (0.65 mm)

125 °C (257 °F)

115 ns

Push-Pull

-40 °C (-40 °F)

Dual

R-PDSO-G5

0.043 in (1.1 mm)

0.049 in (1.25 mm)

0.079 in (2 mm)

TL514MW

Texas Instruments

Comparator

Military

Flat

14

DFP

Rectangular

Ceramic, Glass-Sealed

3 mV

15 uA

Yes

2

BIPOLAR

18 mA

-6 V

12 V

Flatpack

FL14,.3

Comparators

0.05 in (1.27 mm)

125 °C (257 °F)

30 ns

Totem Pole

-55 °C (-67 °F)

Dual

R-GDFP-F14

0.08 in (2.03 mm)

0.25 in (6.35 mm)

No

0.344 in (8.725 mm)

TLC374CD3

Texas Instruments

Comparator

Commercial

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

6.5 mV

Yes

CMOS

800 μA

5 V

5 V

Small Outline

SOP14,.25

Comparators

0.05 in (1.27 mm)

70 °C (158 °F)

600 pA

650 ns

0 °C (32 °F)

Dual

R-PDSO-G14

TLC393MDR

Texas Instruments

Comparator

Military

Gull Wing

8

SOP

Rectangular

Plastic/Epoxy

10 mV

30 nA

Yes

2

CMOS

90 μA

5 V

5 V

Small Outline

SOP8,.25

Comparators

18 V

0.05 in (1.27 mm)

125 °C (257 °F)

30 nA

2.5 µs

Open-Drain

-55 °C (-67 °F)

Dual

R-PDSO-G8

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

0.193 in (4.9 mm)

LM311DP3

Texas Instruments

Comparator

Commercial

Gull Wing

8

SOP

Rectangular

Plastic/Epoxy

10 mV

Yes

BIPOLAR

-15 V

15 V

±15 V

Small Outline

SOP8,.25

Comparators

0.05 in (1.27 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDSO-G8

LMV339IPWG4

Texas Instruments

Comparator

Automotive

Gull Wing

14

TSSOP

Rectangular

Plastic/Epoxy

9 mV

400 nA

Yes

4

BIPOLAR

350 μA

5 V

3/5 V

Small Outline, Thin Profile, Shrink Pitch

TSSOP14,.25

Comparators

5.5 V

0.026 in (0.65 mm)

125 °C (257 °F)

250 nA

600 ns

Open-Collector

-40 °C (-40 °F)

Nickel Palladium Gold

Dual

R-PDSO-G14

1

0.047 in (1.2 mm)

0.173 in (4.4 mm)

No

e4

30 s

260 °C (500 °F)

0.197 in (5 mm)

TLV7044PWR

Texas Instruments

Comparator

Automotive

Gull Wing

14

TSSOP

Rectangular

Plastic/Epoxy

8 mV

2 pA

Yes

4

3 μA

Tape And Reel

1.8 V

Small Outline, Thin Profile, Shrink Pitch

TSSOP14,.25

Comparators

7 V

0.026 in (0.65 mm)

125 °C (257 °F)

2 pA

3 µs

Open-Drain

-40 °C (-40 °F)

Nickel Palladium Gold

Dual

R-PDSO-G14

1

0.047 in (1.2 mm)

0.173 in (4.4 mm)

e4

260 °C (500 °F)

0.197 in (5 mm)

TLV1393IP-00

Texas Instruments

Comparator

Industrial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

9 mV

-400 nA

No

2

BIPOLAR

3 V

In-Line

7 V

0.1 in (2.54 mm)

105 °C (221 °F)

700 ns

Open-Collector

-40 °C (-40 °F)

Dual

R-PDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

0.386 in (9.81 mm)

TL432MJ

Texas Instruments

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDIP-T14

No

TLC339MJB

Texas Instruments

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic

10 mV

No

4

CMOS

38535Q/M;38534H;883B

175 μA

5 V

5 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

30 nA

2.5 µs

-55 °C (-67 °F)

Dual

R-XDIP-T14

No

TL820MJB

Texas Instruments

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic

No

BIPOLAR

38535Q/M;38534H;883B

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDIP-T14

No

TLV2352MUB

Texas Instruments

Comparator

Military

Flat

10

DFP

Square

Ceramic, Glass-Sealed

10 mV

20 nA

Yes

2

CMOS

MIL-STD-883

400 μA

3 V

3/5 V

Flatpack

FL10,.24

Comparators

8 V

0.05 in (1.27 mm)

125 °C (257 °F)

1.4 µs

Open-Drain

-55 °C (-67 °F)

Dual

S-GDFP-F10

0.08 in (2.03 mm)

0.245 in (6.225 mm)

No

0.245 in (6.225 mm)

TLV3404CDRG4

Texas Instruments

Comparator

Commercial

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

0 V

4.4 mV

1.5 nA

Yes

4

3.8 μA

0 V

2.7 V

±1.25/±8/2.5/16 V

Small Outline

SOP14,.25

Comparators

17 V

0.05 in (1.27 mm)

70 °C (158 °F)

250 pA

175 µs

Open-Drain

0 °C (32 °F)

Nickel Palladium Gold

Dual

R-PDSO-G14

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

30 s

260 °C (500 °F)

0.341 in (8.65 mm)

TL811CN

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

No

LT1011ML

Texas Instruments

Comparator

Military

Wire

8

Round

Metal

-18 V

3 mV

80 nA

No

1

BIPOLAR

4 mA

-15 V

15 V

±15 V

Cylindrical

CAN8,.2

Comparators

18 V

125 °C (257 °F)

50 nA

150 ns

-55 °C (-67 °F)

Bottom

O-MBCY-W8

No

LM111E-SMD

Texas Instruments

Comparator

Military

No Lead

20

QCCN

Square

-18 V

4 mV

100 pA

Yes

1

BIPOLAR

-15 V

15 V

Chip Carrier

Comparators

18 V

0.05 in (1.27 mm)

125 °C (257 °F)

Open-Collector

-55 °C (-67 °F)

Quad

S-XQCC-N20

0.075 in (1.91 mm)

0.35 in (8.89 mm)

0.35 in (8.89 mm)

TL3016Y

Texas Instruments

Comparator

Commercial

No Lead

8

DIE

Rectangular

-7 V

3 mV

10 uA

Yes

1

-5 V

5 V

Uncased Chip

7 V

70 °C (158 °F)

7.8 µs

0 °C (32 °F)

Upper

R-XUUC-N8

No

LM306N

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

1

BIPOLAR

12,-3/-12 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

No

LM293H/NOPB

Texas Instruments

Comparator

Other

Wire

8

TO-99

Round

Metal

0 V

9 mV

400 nA

No

2

BIPOLAR

1 mA

0 V

5 V

5 V

Cylindrical

CAN8,.2

Comparators

36 V

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.3 µs

Open-Collector

-25 °C (-13 °F)

Bottom

O-MBCY-W8

1

0.225 in (5.72 mm)

0.357 in (9.08 mm)

No

0.357 in (9.08 mm)

LM306DE4

Texas Instruments

Comparator

Commercial

Gull Wing

8

SOP

Rectangular

Plastic/Epoxy

-15 V

6.5 mV

40 uA

Yes

1

BIPOLAR

10 mA

-12 V

12 V

12,-3/-12 V

Small Outline

SOP8,.25

Comparators

15 V

0.05 in (1.27 mm)

70 °C (158 °F)

28 ns

Totem Pole

0 °C (32 °F)

Nickel Palladium Gold

Dual

R-PDSO-G8

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

30 s

260 °C (500 °F)

0.193 in (4.9 mm)

TLC352CDG4

Texas Instruments

Comparator

Commercial

Gull Wing

8

SOP

Rectangular

Plastic/Epoxy

0 V

6.5 mV

600 pA

Yes

2

CMOS

200 μA

0 V

5 V

5 V

Small Outline

SOP8,.25

Comparators

18 V

0.05 in (1.27 mm)

70 °C (158 °F)

600 pA

650 ns

Open-Drain

0 °C (32 °F)

Nickel Palladium Gold

Dual

R-PDSO-G8

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

30 s

260 °C (500 °F)

0.193 in (4.9 mm)

SN72710N

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

No

PLM2903BIDR

Texas Instruments

Comparator

Automotive

Gull Wing

8

HSOP

Rectangular

Plastic/Epoxy

4 mV

50 nA

Yes

2

5 V

Small Outline, Heat Sink/Slug

Comparators

38 V

0.05 in (1.27 mm)

125 °C (257 °F)

1 µs

Open-Collector

-40 °C (-40 °F)

Dual

R-PDSO-G8

0.069 in (1.75 mm)

0.153 in (3.895 mm)

0.193 in (4.905 mm)

TL721CP3

Texas Instruments

Comparator

Commercial

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T8

LM106J/883B

Texas Instruments

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic

No

BIPOLAR

MIL-STD-883 Class B (Modified)

12,-3/-12 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDIP-T14

No

TLC3704MD

Texas Instruments

Comparator

Military

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

-18 V

10 mV

30 nA

Yes

4

CMOS

80 μA

Tape And Reel

5 V

5 V

Small Outline

SOP14,.25

Comparators

18 V

0.05 in (1.27 mm)

125 °C (257 °F)

30 pA

2.7 µs

Push-Pull

-55 °C (-67 °F)

Nickel Palladium Gold

Dual

R-PDSO-G14

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

30 s

260 °C (500 °F)

0.341 in (8.65 mm)

LM193MDR

Texas Instruments

Comparator

Military

No Lead

DIE

Rectangular

9 mV

-1 nA

Yes

2

CMOS

MIL-STD-883

1 mA

5 V

Uncased Chip

Comparators

36 V

125 °C (257 °F)

100 nA

5 µs

Open-Collector, Open-Drain

-55 °C (-67 °F)

Upper

R-XUUC-N

1

LM293JG

Texas Instruments

Comparator

Other

Through-Hole

8

DIP

Rectangular

Ceramic, Glass-Sealed

9 mV

400 nA

No

2

BIPOLAR

2.5 mA

5 V

5 V

In-Line

DIP8,.3

Comparators

0.1 in (2.54 mm)

85 °C (185 °F)

250 nA

1.3 µs

Open-Collector

-25 °C (-13 °F)

Dual

R-GDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

0.378 in (9.6 mm)

TL510CNP3

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

LM306N3

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

1

BIPOLAR

12,-3/-12 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

TLC372MFK

Texas Instruments

Comparator

Military

No Lead

20

QCCN

Square

Ceramic, Metal-Sealed Cofired

10 mV

20 nA

Yes

2

CMOS

400 μA

5 V

5 V

Chip Carrier

LCC20,.35SQ

Comparators

18 V

0.05 in (1.27 mm)

125 °C (257 °F)

20 nA

650 ns

Open-Drain

-55 °C (-67 °F)

Quad

S-CQCC-N20

0.08 in (2.03 mm)

0.35 in (8.89 mm)

No

0.35 in (8.89 mm)

SN72810N

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

No

TLC139MJ

Texas Instruments

Comparator

Military

Through-Hole

14

DIP

Rectangular

Ceramic, Glass-Sealed

10 mV

30 nA

No

4

CMOS

175 μA

5 V

5 V

In-Line

DIP14,.3

Comparators

18 V

0.1 in (2.54 mm)

125 °C (257 °F)

30 nA

2.5 µs

Open-Drain

-55 °C (-67 °F)

Dual

R-GDIP-T14

0.2 in (5.08 mm)

0.3 in (7.62 mm)

No

0.785 in (19.94 mm)

TLV1391CDBVR

Texas Instruments

Comparator

Commercial

Gull Wing

5

LSSOP

Rectangular

Plastic/Epoxy

9 mV

-400 nA

Yes

1

BIPOLAR

125 μA

Tape And Reel

3 V

3/5 V

Small Outline, Low Profile, Shrink Pitch

TSOP5/6,.11,37

Comparators

7 V

0.037 in (0.95 mm)

70 °C (158 °F)

250 nA

700 ns

Open-Collector

0 °C (32 °F)

Matte Tin

Dual

R-PDSO-G5

1

0.057 in (1.45 mm)

0.063 in (1.6 mm)

No

e3

260 °C (500 °F)

0.114 in (2.9 mm)

LT1011CL

Texas Instruments

Comparator

Commercial

Wire

8

Round

Metal

-18 V

3 mV

80 nA

No

1

BIPOLAR

4 mA

-15 V

15 V

±15 V

Cylindrical

CAN8,.2

Comparators

18 V

70 °C (158 °F)

50 nA

150 ns

0 °C (32 °F)

Bottom

O-MBCY-W8

No

LM2903MWA

Texas Instruments

Comparator

Industrial

No Lead

DIE

0 V

15 mV

500 nA

Yes

2

BIPOLAR

0 V

5 V

Uncased Chip

Comparators

36 V

85 °C (185 °F)

1.5 µs

Open-Collector

-40 °C (-40 °F)

Upper

X-XUUC-N

No

TLC354CDR

Texas Instruments

Comparator

Commercial

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

6.5 mV

600 pA

Yes

4

CMOS

400 μA

5 V

5 V

Small Outline

SOP14,.25

Comparators

18 V

0.05 in (1.27 mm)

70 °C (158 °F)

600 pA

650 ns

Open-Drain

0 °C (32 °F)

Dual

R-PDSO-G14

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

0.341 in (8.65 mm)

5962-9452602VPX

Texas Instruments

Comparator

Military

Through-Hole

8

DIP

Rectangular

Ceramic, Glass-Sealed

0 V

4 mV

-1 nA

No

2

BIPOLAR

MIL-PRF-38535 Class V

2.5 mA

0 V

5 V

In-Line

Comparators

36 V

0.1 in (2.54 mm)

125 °C (257 °F)

1.3 µs

Open-Collector

-55 °C (-67 °F)

Dual

R-GDIP-T8

0.2 in (5.08 mm)

0.3 in (7.62 mm)

Yes

TLV3704CD

Texas Instruments

Comparator

Commercial

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

0 V

7 mV

1.5 nA

Yes

4

CMOS

3.2 μA

0 V

Tube

2.7 V

±1.25/±8/2.5/16 V

Small Outline

SOP14,.25

Comparators

17 V

0.05 in (1.27 mm)

70 °C (158 °F)

100 pA

240 µs

Push-Pull

0 °C (32 °F)

Nickel/Palladium/Gold

Dual

R-PDSO-G14

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

260 °C (500 °F)

0.341 in (8.65 mm)

LMH7220MG/NOPB

Texas Instruments

Comparator

Industrial

Gull Wing

6

TSSOP

Rectangular

Plastic/Epoxy

9.5 mV

Yes

1

14 mA

2.7/5/12 V

Small Outline, Thin Profile, Shrink Pitch

TSSOP6,.08

Comparators

0.026 in (0.65 mm)

85 °C (185 °F)

500 nA

-40 °C (-40 °F)

Dual

R-PDSO-G6

0.043 in (1.1 mm)

0.049 in (1.25 mm)

No

1.25 MHz

0.079 in (2 mm)

TL820CNP3

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T14

LM2901VQDRG4Q1

Texas Instruments

Comparator

Automotive

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

15 mV

-500 nA

Yes

4

BIPOLAR

AEC-Q100

2.5 mA

Tape And Reel

5 V

5 V

Small Outline

SOP14,.25

Comparators

36 V

0.05 in (1.27 mm)

125 °C (257 °F)

-250 nA

1.3 µs

Open-Collector

-40 °C (-40 °F)

Nickel/Palladium/Gold

Dual

R-PDSO-G14

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

260 °C (500 °F)

0.341 in (8.65 mm)

TL432IN

Texas Instruments

Comparator

Industrial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

No

BIPOLAR

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

85 °C (185 °F)

-40 °C (-40 °F)

Dual

R-PDIP-T14

No

LM339NCZ

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Plastic/Epoxy

9 mV

-400 nA

No

4

BIPOLAR

5 V

In-Line

Comparators

36 V

0.1 in (2.54 mm)

70 °C (158 °F)

1.3 µs

Open-Collector

0 °C (32 °F)

Dual

R-PDIP-T14

0.2 in (5.08 mm)

0.3 in (7.62 mm)

0.76 in (19.305 mm)

LM311J/P4

Texas Instruments

Comparator

Commercial

Through-Hole

14

DIP

Rectangular

Ceramic

10 mV

No

BIPOLAR

-15 V

15 V

±15 V

In-Line

DIP14,.3

Comparators

0.1 in (2.54 mm)

70 °C (158 °F)

0 °C (32 °F)

Dual

R-XDIP-T14

5962-9688201Q2A

Texas Instruments

Comparator

Military

No Lead

20

QCCN

Square

Ceramic, Metal-Sealed Cofired

5 mV

2 nA

Yes

4

CMOS

MIL-PRF-38535 Class Q

600 μA

Tube

3 V

3/5 V

Chip Carrier

LCC20,.35SQ

Comparators

8 V

0.05 in (1.27 mm)

125 °C (257 °F)

20 nA

1.4 µs

Open-Collector

-55 °C (-67 °F)

Tin Lead

Quad

S-CQCC-N20

0.08 in (2.03 mm)

0.35 in (8.89 mm)

Yes

e0

0.35 in (8.89 mm)

LM239AQDRG4Q1

Texas Instruments

Comparator

Automotive

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

0 V

2.5 mV

400 nA

Yes

4

BIPOLAR

AEC-Q100

2 mA

0 V

Tape And Reel

5 V

5 V

Small Outline

SOP14,.25

Comparators

36 V

0.05 in (1.27 mm)

125 °C (257 °F)

50 nA

1.3 µs

Open-Collector

-40 °C (-40 °F)

Nickel Palladium Gold

Dual

R-PDSO-G14

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

30 s

260 °C (500 °F)

0.341 in (8.65 mm)

TLC374IDRG4

Texas Instruments

Comparator

Industrial

Gull Wing

14

SOP

Rectangular

Plastic/Epoxy

7 mV

2 nA

Yes

4

CMOS

600 μA

Tape And Reel

5 V

5 V

Small Outline

SOP14,.25

Comparators

18 V

0.05 in (1.27 mm)

85 °C (185 °F)

30 pA

650 ns

Open-Drain

-40 °C (-40 °F)

Nickel/Palladium/Gold

Dual

R-PDSO-G14

1

0.069 in (1.75 mm)

0.154 in (3.9 mm)

No

e4

260 °C (500 °F)

0.341 in (8.65 mm)

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.