LTC1441IN8 datasheet(5/12 Pages) LINER

Part #	LTC1441IN8

Description	Ultralow Power Single/Dual Comparator with Reference

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Manufacturer	LINER [Linear Technology]

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5

LTC1440/LTC1441/LTC1442

TYPICAL PERFORMANCE CHARACTERISTICS

LOAD CURRENT (mA)

0

1

2

3

4

5

10

20

30

40

1440/1/2 G07

50

60

V+ = 5V

V+ = 3V

V+ = 2V

TA = 25°C

Comparator Output Voltage High

vs Load Current

Comparator Output Voltage Low

vs Load Current

LOAD CURRENT (mA)

0

1.5

2.0

2.5

30

50

80

1440/1/2 G08

1.0

0.5

0

10

20

40

60

70

V+ = 2V

V+ = 3V

V+ = 5V

TA = 25°C

LTC1440/LTC1442

Hysteresis Control

TEMPERATURE (

°C)

–60

6

5

4

3

2

1

100

1440/1/2 G10

–20

–40

20 40

80

120

0

60

140

V+ = 5V

V– = –5V

V+ = 5V

V– = GND = 0V

V+ = 3V

V– = GND = 0V

LTC1440

Supply Current vs Temperature

OUTPUT LOAD CURRENT (mA)

0

1.190

1.185

1.180

1.175

1.170

1.165

1.160

1.155

1.5

2.5

1440/1/2 G11

0.5

1.0

2.0

3.0

3.5

VCC = 5V

SOURCE

Reference Output Voltage vs

Output Load Current

OUTPUT LOAD CURRENT (

µA)

0

1.200

1.195

1.190

1.185

1.180

1.175

1.170

5

10

15

20

1440/1/2 G12

25

30

VCC = 5V

SINK

VCC = 2V

Reference Output Voltage vs

Output Load Current (Sink)

Reference Voltage vs

Temperature

VREF – VHYST (mV)

0

30

50

1440/1/2 G09

10

20

40

80

60

40

20

0

–20

–40

–60

–80

OUTPUT HIGH

OUTPUT LOW

TEMPERATURE (

°C)

–60

1.186

1.184

1.182

1.180

1.178

1.176

1.174

1.172

1.170

100

1440/1/2 G13

–20

–40

20 40

80

120

0

60

140

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