MAX9920 datasheet(7/17 Pages) MAXIM

Part #	MAX9920

Description	-20V to 75V Input Range, Precision Uni-/Bidirectional, Current-Sense Amplifiers

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Manufacturer	MAXIM [Maxim Integrated Products]

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-20V to +75V Input Range, Precision

Uni-/Bidirectional, Current-Sense Amplifiers

_______________________________________________________________________________________

7

Typical Operating Characteristics

(VCC = 5V, TA = +25°C, unless otherwise noted.)

VOS

(VRS+ = +14V)

OFFSET VOLTAGE (

FV)

240 320

-240-160 -80 0

80 160

-320

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0

-400

400

VOS DRIFT

(VRS+ = +14V)

OFFSET VOLTAGE (

FV/°C)

3

2

1

0

-1

-2

-3

0.05

0.10

0.15

0.20

0.25

0.30

0

-4

4

VOS

(VRS+ = -2V)

OFFSET VOLTAGE (

FV)

320

240

160

80

0

-80

-160

-240

-320

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0

-400

400

VOS DRIFT

(VRS+ = -2V)

OFFSET VOLTAGE (

FV/°C)

8

46

-6

-4

-2

0

2

-8

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0

-10

10

VOS vs. VCM

VCM (V)

70

60

40 50

0

10 20 30

-10

-400

-300

-200

-100

0

100

200

300

400

500

-500

-20

80

TA = -40°C

TA = +25°C

MAX9918ASA

VCC = 5V

VREF = GND

TA = +125°C

VOS vs. VCC

VCC (V)

5.4

5.3

5.1 5.2

4.7 4.8 4.9 5.0

4.6

-75

-50

-25

0

25

50

75

100

125

-100

4.5

5.5

MAX9918ASA

VCC = 5V

VREF = GND

VCM = -2V

VCM = 14V

0

0.1 0.2 0.3

-0.4 -0.3 -0.2 -0.1

0.4

GAIN ERROR

(VRS+ = +14V, MAX9919F, AV = +45V/V)

GAIN ERROR (%)

0.1

0.2

0.3

0.4

0.5

0.6

0

0.1 0.2 0.3

-0.4 -0.3 -0.2 -0.1

0.4

GAIN ERROR (%)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0

GAIN ERROR

(VRS+ = +14V, MAX9919N, AV = +90V/V)

0

0.1 0.2 0.3

-0.4 -0.3 -0.2 -0.1

0.4

GAIN ERROR

(VRS+ = -2V, MAX9919F, AV = +45V/V)

GAIN ERROR (%)

0.1

0.2

0.3

0.4

0.5

0.6

0

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