(VCC = 5V, VRS+ = VRS- = +14V, VSENSE = (VRS+ - VRS-) = 0V, VSHDN = VGND = 0V, VREFIN = VCC/2, RL = 100kΩ; for MAX9918,

AV = 90V/V, R2/R1 = 89kΩ/1kΩ; for MAX9920, AV = 20V/V, R2/R1 = 79kΩ/1kΩ; TA = -40°C to +125°C, unless otherwise noted. Typical

values are at TA = +25°C.) (Note 1)

Electrical Characteristics (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Gain Error

(Note 2)

GE

MAX9918

VRS+ = VRS- =

+14V

TA = +25°C,

VREFIN = 0V

±0.08

±0.6

%

TA = -40°C to

+125

°C,

VREFIN = 0V

±1.2

VRS+= VRS- =

-2V,

VREFIN

= 0V

TA = +25°C

±0.02

±0.6

TA = -40°C to

+125

°C

±1.0

MAX9919F

VRS+ = VRS- =

+14V,

VREFIN

= 0V

TA = +25°C

±0.13

±0.45

TA = -40°C to

+125

°C

±1.2

VRS+= VRS- =

-2V,

VREFIN

= 0V

TA = +25°C

±0.10

±0.45

TA = -40°C to

+125

°C

±0.9

MAX9919N

VRS+ = VRS- =

+14V,

VREFIN

= 0V

TA = +25°C

±0.16

±0.6

TA = -40°C to

+125

°C

±1.2

VRS+ = VRS- =

-2V,

VREFIN

= 0V

TA = +25°C

±0.11

±0.6

TA = -40°C to

+125

°C

±1.0

MAX9920

VRS+ = VRS- =

+14V,

VREFIN

= 0V

TA = +25°C

±0.29

±1.0

TA = -40°C to

+125

°C

±1.7

VRS+ = VRS- =

-2V,

VREFIN

= 0V

TA = +25°C

±0.24

±1.0

TA = -40°C to

+125

°C

±1.7

Output-Voltage High (Note 4)

VCC - VOH

VSENSE = 200mV for

MAX9918, MAX9919_,

VSENSE = 400mV for

MAX9920

RL = 100kΩ to GND

3

10

mV

RL = 10kΩ to GND

12

40

Output-Voltage Low (Note 4)

VOL

VSENSE = -200mV for

MAX9918, MAX9919_,

VSENSE = -400mV for

MAX9920

RL = 100kΩ to VCC

3

10

mV

RL = 10kΩ to VCC

10

40

Short-Circuit Current

ISC

OUT shorted to VCC

44

mA

OUT shorted to GND

41

Output Resistance

ROUT

0.1

Ω

REFIN Voltage Range

Inferred from REFIN

CMRR test

MAX9918,

MAX9919_

0

VCC/2

VCC -

1.9

V

MAX9920

0

VCC/2

VCC -

2.4

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Maxim Integrated │ 5

MAX9918/MAX9919/MAX9920

-20V to +75V Input Range,

Precision Uni-/Bidirectional,

Current-Sense Amplifiers