Low-Cost, SOT23, Voltage-Output,

High-Side Current-Sense Amplifier

4

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370

390

380

410

400

430

420

440

010

15

5

202530

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

MAX4173T

MAX4173F

MAX4173H

200

300

250

450

400

350

550

500

150

-50

-5

10

-35 -20

2540557085

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

MAX4173T

MAX4173F

MAX4173H

0

0.4

0.2

0.8

0.6

1.2

1.0

1.4

0

1.0

1.5

0.5

2.0

2.5

28

SUPPLY CURRENT vs. RS+ VOLTAGE

MAX4173T

MAX4173H

MAX4173F

-0.60

-0.45

-0.30

-0.15

0

0.15

0.30

0.45

0.60

010

5

15202530

TOTAL OUTPUT ERROR vs.

SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

MAX4173F

MAX4173T

MAX4173H

0

-100

100

1k

10k

100k

1M

10M

POWER-SUPPLY REJECTION

vs. FREQUENCY

-80

FREQUENCY (Hz)

-60

-40

-20

-10

-90

-70

-50

-30

-6

-2

-4

2

0

4

6

010

15

5

202530

TOTAL OUTPUT ERROR

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

MAX4173F

MAX4173H

MAX4173T

-2

0

-1

2

1

3

4

0

100

50

150

200

TOTAL OUTPUT ERROR vs.

FULL-SCALE SENSE VOLTAGE

MAX4173F

MAX4173H

MAX4173T

-10

-8

-6

-4

-2

0

2

4

6

010

5

15202530

TOTAL OUTPUT ERROR vs.

COMMON-MODE VOLTAGE

COMMON-MODE VOLTAGE (V)

MAX4173F

MAX4173T

MAX4173H

Typical Operating Characteristics

-1.2

-0.4

-0.8

0

0.4

0.8

1.2

-50

-20

-5

10

-35

2540557085

GAIN ACCURACY vs. TEMPERATURE

TEMPERATURE (°C)

MAX4173F

MAX4173H

MAX4173T