MAX4081FAUA+ datasheet(3/14 Pages) MAXIM

Part #	MAX4081FAUA+

Description	76V, High-Side, Current-Sense Amplifiers with Voltage Output

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Manufacturer	MAXIM [Maxim Integrated Products]

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76V, High-Side, Current-Sense Amplifiers with

Voltage Output

_______________________________________________________________________________________

3

DC ELECTRICAL CHARACTERISTICS (continued)

(VCC = VRS+ = 4.5V to 76V, VREF1A = VREF1B = 5V (MAX4081 only), VSENSE = (VRS+ - VRS-) = 0, RLOAD = 100kΩ, TA = TMIN to TMAX,

unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

IOUT (sinking) = 10µA

4

15

OUT Low Voltage

VOL

VCC = VRS+ = 48V,

VREF1A = VREF1B =

2.5V, VSENSE =

-1000mV (for

MAX4081 only)

IOUT (sinking) =

100µA

23

55

mV

REF1A = REF1B Input Voltage

Range (MAX4081 Only)

(VREF -

GND)

Inferred from REF1A rejection ratio,

VREF1A = VREF1B

1.5

6

V

REF1A Input Voltage Range

(MAX4081 Only)

(VREF1A -

GND)

Inferred from REF1A rejection ratio,

VREF1B = GND

312

V

REF1A Rejection Ratio

(MAX4081 Only)

VCC = VRS+ = 48V, VSENSE = 0V,

VREF1A = VREF1B = 1.5V to 6V

80

108

dB

REF/REF1A Ratio

(MAX4081 Only)

VREF1A = 10V, VREF1B = GND,

VCC = VRS+ = 48V (Note 2)

0.497

0.500

0.503

REF1A Input Impedance

(MAX4081 Only)

VREF1B = GND

250

k

Ω

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