MAX4172ESA datasheet(2/8 Pages) MAXIM

2 / 8 page

TA = 0°C to +85°C

Low-Cost, Precision, High-Side

Current-Sense Amplifier

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(V+ = +3V to +32V; RS+, RS- = 0V to 32V; TA = TMIN to TMAX; unless otherwise noted. Typical values are at V+ = +12V, RS+ = 12V,

TA = +25°C.)

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.

V+, RS+, RS-,

PG ...................................................-0.3V to +36V

OUT ..............................................................-0.3V to (V+ + 0.3V)

Differential Input Voltage, VRS+ - VRS-............................±700mV

Current into Any Pin..........................................................±50mA

Continuous Power Dissipation (TA = +70°C)

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

µMAX (derate 4.10mW/°C above +70°C) .....................330mW

Operating Temperature Range

MAX4172E_A ....................................................-40°C to +85°C

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

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

IOUT = 0mA

≤ V+ ≤ 32V, VRS+ > 2.0V

VSENSE = 100mV, V+ = 12V,

VRS+ = 12V

VSENSE = 6.25mV, V+ = 12V,

VRS+ = 12V (Note 1)

V+ = 12V, VRS+ = 12V

VRS+ ≤ 2.0V

2.0V < VRS+ < 32V

CONDITIONS

µA/V

0.03

∆IOUT / ∆VRS+

OUT Common-Mode

Rejection Ratio

0.8

1.6

IV+

Supply Current

032

VRS-

332

V+

Operating Voltage Range

Input Voltage Range

µA/V

0.2

∆IOUT / ∆V+

OUT Power-Supply

Rejection Ratio

±20

µA

±8.0

Low-Level Current Error

±0.1

±0.75

150

175

Maximum VSENSE Voltage

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

VRS+ > 2.0V, IOUT = 0mA

VRS+ ≤ 2.0V, IOUT = 0mA

42.5

µA

-325

42.5

IRS+

Positive Input Bias Current

VRS+ > 2.0V

VRS+ ≤ 2.0V

050

µA

-650

IRS-

Negative Input Bias Current

MAX4172ESA,

TA = -40°C to 0°C

MAX4172ESA

VOS

Input Offset Voltage

MAX4172EUA

±0.2

±1.6

MAX4172EUA

±15

MAX4172EUA,

TA = -40°C to 0°C

±50

MAX4172EUA,

TA = 0°C to +85°C

µA

Output Current Error

±15

MAX4172ESA,

TA = 0°C to +85°C

±10

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