MAX9920 datasheet(10/17 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

10

______________________________________________________________________________________

Typical Operating Characteristics (continued)

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

ICC vs. VCC

VCC (V)

5.4

5.3

5.1 5.2

4.7 4.8 4.9 5.0

4.6

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0

4.5

5.5

VCM = 14V

VSENSE = 0V

VCM = -2V

ICC vs.VCM

VCM (V)

70

60

40 50

0 10 20 30

-10

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

0.4

-20

80

TA = +125NC

TA = +25NC TA = -40NC

VSENSE = 0V (DASH)

VSENSE + 50mV (SOLID

IBIAS vs. VCM

VCM (V)

70

60

40 50

0 10 20 30

-10

-80

-60

-40

-20

0

20

40

60

80

100

-100

-20

80

MAX9918

VCC = 5V

INPUT LEAKAGE CURRENT vs. VCM

VCM (V)

60

40

20

0

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

-50

-20

80

IN+ - IN- = 50mV

VCC = VSHDN = 0V

VREFIN = 0V

TA = +125NC

TA = +25NC

TA = -40NC

DIFFERENTIAL RIN vs. VCM

VCM (V)

55

40

25

10

-5

100

200

300

400

500

600

700

800

900

1000

0

-20

70

GAIN vs. FREQUENCY

FREQUENCY (MHz)

1

0.1

0.01

-30

-20

-10

0

10

20

30

40

50

-40

0.001

10

MAX9918

VCM = 14V

GAIN = 90V/V

GAIN vs. FREQUENCY

FREQUENCY (MHz)

1

0.1

0.01

-50

-40

-30

-20

-10

0

10

20

30

40

-60

0.001

10

MAX9920

VCM = 14V

GAIN = 20V/V

GAIN vs. FREQUENCY

FREQUENCY (MHz)

10

1

0.1

0.01

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

10

-100

0.001

100

MAX9918

VCM = 14V

GAIN = 90V/V

VCM = -2V

VCM = 14V

PSRR vs. FREQUENCY

FREQUENCY (kHz)

1k

100

10

1

0.1

0.01

0.001

-120

-100

-80

-60

-40

-20

0

-140

0.0001

10k

MAX9918

VCM = 14V

VSENSE = 50mV

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