MAX4373FESA datasheet(2/12 Pages) MAXIM

2 / 12 page

Low-Cost, Micropower, High-Side Current-Sense

Amplifier + Comparator + Reference ICs

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +28V, VRS+ = 0 to +28V, VSENSE = 0, VRESET = 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 the lesser of

(VCC + 0.3V) or +15V

CIN1, CIN2, RESET to GND ........................-0.3V to the lesser of

(VCC + 0.3V) or +12V

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

COUT1, COUT2 to GND........................................-0.3V to +6.0V

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

Continuous Power Dissipation (TA = +70°C)

8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW

8-Pin SO (derate 5.9mW/°C above +70°C)..................471mW

10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW

14-Pin SO (derate 8.3mW/°C above +70°C)................667mW

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

Junction Temperature ......................................................+150°C

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

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

Total OUT Voltage Error

(Note 5)

VSENSE = 100mV

(Note 6)

VSENSE = 6.25mV, VCC = 12V, VRS+ = 12V

(Note 7)

VCC = 12V,

VRS+ = 0.1V

VCC = 28V, VRS+ = 28V,

TA = TMIN to TMAX

VCC = 12V, VRS+ = 12V,

TA = TMIN to TMAX

8.5

IOUT = 100µA

IOUT = 10µA

±7.5

±0.55

±7.5

±5.0

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

-25

2.0

Input Bias Current

IRS+

2.5

µA

Leakage Current

IRS+, IRS-

±0.015

±0.5

µA

Supply Current

ICC

100

µA

IRS-

-50

Full-Scale Sense Voltage

(Note 4)

VSENSE

150

170

100

120

Common-Mode Input Range

(Note 3)

Operating Voltage Range

(Note 2)

VCC

2.7

VCMR

028

Common-Mode Rejection

CMR

OUT Voltage Low

VOUT

2.5

OUT Voltage High

VCC -

VOH

0.25

CONDITIONS

VRS+

≤ 2V

VCC = 2.7V

VRS+ > 2V

VCC = 0

VRS+ > 2V, VSENSE = 5mV

VRS+ > 2V

VRS+

≤ 2V

VCC = 2.7V, IOUT = -500µA

Gain = +20V/V, +50V/V

Gain = +100V/V

VRS+ > 2V

Full-Scale Accuracy

(Note 5)

VSENSE = 100mV, VCC = 12V, VRS+ = 12V,

TA = +25°C

±0.66

±5.5

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