MAX4373/MAX4374/MAX4375

Low-Cost, Micropower, High-Side

Current-Sense Amplifier +

Comparator + Reference ICs

Maxim Integrated | 8

www.maximintegrated.com

0.8

1.2

1.0

1.6

1.4

1.8

2.0

010

15

5

202530

COMPARATOR RESET VOLTAGE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

0

20

10

50

40

30

80

70

60

90

0

0.6

0.8

0.2

0.4

1.0

1.2

1.4

1.6

COMPARATOR VOL vs. ISINK

ISINK (mA)

INPUT

OUTPUT

10

μs/div

0

5V

750mV

250mV

COMPARATOR AC RESPONSE

MAX4373 toc31

0

0.2

0.6

0.4

0.8

1.0

-60

-20

0

-40

20406080

100

TOTAL OUTPUT ERROR

vs. TEMPERATURE

TEMPERATURE (

°C)

0

10

30

20

50

60

40

70

-60

-20

0

-40

20406080

100

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

MAX4374

MAX4375

MAX4373

VSENSE = 5mV

595

597

596

599

598

601

600

602

604

603

605

-60

-20

0

-40

20406080

100

COMPARATOR TRIP POINT

vs. TEMPERATURE

TEMPERATURE (

°C)

0

0.2

0.6

0.4

0.8

1.0

-60

-20

0

-40

20406080

100

GAIN ACCURACY

vs. TEMPERATURE

TEMPERATURE (°C)

AV = +20V/V, +50V/V

AV = +100V/V

Typical Operating Characteristics (continued)

(VRS+ = +12V, VCC = +12V, RLOAD = 1MΩ, VRESET = 0V, VSENSE = 100mV, VPULL-UP = +5V, RPULL-UP = 10kΩ, TA = +25°C, unless

otherwise noted.)otherwise noted.)