MAX4372FESA datasheet(2/8 Pages) MAXIM

2 / 8 page

Low-Cost, SOT23, Micropower, High-Side

Current-Sense Amplifier with Voltage Output

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VRS+ = 0 to +28V, VCC = +2.7V to +28V, VSENSE = 0, RLOAD = 1M

Ω, TA = TMIN to TMAX, unless otherwise noted. Typical values are

at TA = +25°C.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VCC, RS+, RS- to GND ...........................................-0.3V to +30V

OUT to GND ...........................................................-0.3V to +15V

Differential Input Voltage (VRS+ - VRS-) ..............................±0.3V

Current into Any Pin..........................................................±10mA

Continuous Power Dissipation (TA = +70°C)

5-Pin SOT23 (derate 7.1mW/°C above +70°C).............571mW

8-Pin SO (derate 5.88mW/°C above +70°C).................471mW

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10sec). ............................+300°C

VCC = 2.7V, IOUT = -500µA

VCC = 2.7V

VRS+

≤ 2V

VRS+ > 2V

VRS+

≤ 2V

VRS+ > 2V

VRS+ > 2V, VSENSE = 5mV

Gain = +100V/V

VCC = 0

Gain = +20V/V or +50V/V

CONDITIONS

0.1

0.25

VCC - VOH

OUT High Voltage

965

OUT Low Voltage

2.6

100

VSENSE

150

Full-Scale Sense Voltage

(Note 4)

028

VCMR

Common-Mode Input Range

(Note 3)

2.7

VCC

Operating Voltage Range

(Note 2)

µA

-50

IRS-

Input Bias Current

-25

IRS+

CMR

Common-Mode Rejection

µA

ICC

Supply Current

µA

0.05

1.2

IRS+, IRS-

Leakage Current

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

IOUT = 10µA

IOUT = 100µA

VSENSE = 100mV, VCC = 12V,

VRS+ = 12V, TA = +25°C (Note 6)

±0.18

±3

Full-Scale Accuracy

(Note 5)

VSENSE = 100mV, VCC = 12V,

VRS+ = 12V (Note 6)

±6

VSENSE = 100mV, VCC = 28V,

VRS+ = 28V (Note 6)

±0.15

±7

VSENSE = 100mV, VCC = 12V,

VRS+ = 0.1V (Note 6)

±1

±28

VSENSE = 6.25mV, VCC = 12V,

VRS+ = 12V (Note 7)

±0.15

Total OUT Voltage Error

(Note 5)

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