MAX4173FESA datasheet(3/10 Pages) MAXIM

3 / 10 page

Low-Cost, SOT23, Voltage-Output,

High-Side Current-Sense Amplifier

_______________________________________________________________________________________

Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.

Note 2: Guaranteed by Total Output Voltage Error Test.

Note 3: Total OUT Voltage Error is the sum of gain and offset voltage errors.

Note 4: +6.25mV = 1/16 of +100mV full-scale voltage.

Note 5: VSENSE such that output stage is in saturation.

Note 6: VOS is extrapolated from the Gain Accuracy tests.

Note 7: The device does not experience phase reversal when overdriven.

ELECTRICAL CHARACTERISTICS (continued)

(VRS+ = 0 to +28V, VCC = +3V to +28V, VSENSE = 0V, TA = TMIN to TMAX, RLOAD =

∞ unless otherwise noted. Typical values are at

TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX4173T,

VSENSE = +100mV

1.7

MAX4173F,

VSENSE = +100mV

1.4

MAX4173H,

VSENSE = +100mV

1.2

Bandwidth

VRS+ = +12V,

VCC = +12V,

CLOAD = 5pF

VSENSE = +6.25mV

(Note 4)

0.6

MHz

MAX4173T

MAX4173F

Gain

MAX4173H

100

V/V

TA = +25°C

0.5

±2.5

∆AV

MAX4173T/F VSENSE =

+10mV to +150mV,

VCC = VRS+ = 12V

TA = -40°C to +85°C

4.0

TA = +25°C

0.5

±2.5

Gain Accuracy

∆AV

MAX4173H VSENSE =

+10mV to +100mV,

VCC = VRS+ = 12V

TA = -40°C to +85°C

4.0

TA = +25°C

0.3

±3

Input Offset Voltage

(Note 6)

VOS

MAX4173TEUT,

VRS+ = 12V

TA = -40°C to +85°C

±5

VSENSE = +6.25mV

to +100mV

400

OUT Settling Time to 1% of

Final Value

VCC = +12V, VRS+ = 12V,

CLOAD = 5pF

VSENSE = +100mV

to +6.25mV

800

OUT Output Resistance

ROUT

Ω

MAX4173T, VSENSE = 80mV, VRS+

≥ +2V

MAX4173F, VSENSE = 32mV, VRS+

≥ +2V

Power-Supply Rejection

PSR

MAX4173H, VSENSE = 16mV, VRS+

≥ +2V

Power-Up Time to 1% of

Final Value

VSENSE = +100mV, CLOAD = 5pF

µs

Saturation Recovery Time

VCC = +12V, VRS+ = 12V (Note 7)

µs

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