MAX4376TAUK

Instrumentation, OP Amps, Buffer Amps5 SOT23

AMP CURRENT SENSE 1CH 20V/V 5-SOT23

MAX4376TAUK is a single-channel high-side current sense amplifier with 20V/V gain, 3V to 28V supply, -40°C to +125°C operating temperature, 5-pin SOT23 package, buffered output, and AEC-Q100 qualification.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage3 ~ 28 V

Gain bandwidth product2 MHzTyp · Typ: 2MHz (VCC=12V，VRS+=12V，VSENSE=100mV，gain=+20V/V，CLOAD=15pF)

Quiescent current1 mATyp · Max: 2.2mA (VSENSE=5mV，VRS+>2.0V，VCC=12V)

Channels1

Datasheet-verified parameters

20 items

Parameter	Value and test conditions	Source
Operating Voltage Range	Min: 3V, Max: 28V (Guaranteed by PSR test)
Bandwidth	Typ: 2MHz (VCC=12V, VRS+=12V, VSENSE=100mV, gain=+20V/V, CLOAD=15pF)
Supply Current per Amplifier	Typ: 1mA, Max: 2.2mA (VSENSE=5mV, VRS+>2.0V, VCC=12V)
Channels	1 (Single)
Package	5 SOT23
Operating Temperature Range	-40°C to +125°C
Grade	Automotive (AEC-Q100 Qualified)
RoHS	Compliant (Indicated by '+' in part number MAX4376TAUK+T)
Gain	+20 V/V (MAX437_T)
Common-Mode Input Range	Min: 0V, Max: 28V (Guaranteed by total OUT voltage error test)
Common-Mode Rejection	Typ: 90dB (2V ≤ VRS+ ≤ 28V, VSENSE=100mV)
Full-Scale Sense Voltage	150mV
OUT High Voltage	Typ: 0.9V, Max: 1.2V (VCC=3V, IOUT=2mA, VRS+=28V)
OUT Low Voltage	Typ: 25mV, Max: 40mV (IOUT=200μA, VCC=VRS+=12V, VSENSE=0V, TA=+25°C)
Slew Rate	10 V/μs (VSENSE=20mV to 100mV, CLOAD=15pF)
Output Resistance	5 Ω (VSENSE=100mV)
Power-Supply Rejection	Min: 66dB, Typ: 90dB (VRS+>2V, VOUT=1.6V, VCC=3V to 28V)
Maximum Capacitive Load	1000 pF (No sustained oscillation)
Absolute Maximum Ratings	VCC, RS+, RS- to GND: -0.3V to +30V; OUT to GND: -0.3V to (VCC + 0.3V)
Recommended Operating Conditions	VRS+ = 0 to 28V, VCC = +3.0V to +28V, TA = -40°C to +125°C

All parameters (7)ExpandCollapse

Power
Operating Voltage Range	3 V (Min) to 28 V (Max)
Supply Current per Amplifier	1 mA (Typ)
AC and DC characteristics
Bandwidth	2 MHz (Typ)
Gain	+20 V/V
Environment and package
Operating Temperature Range	-40°C to +125°C
Package	5-Pin SOT23
Other
Common-Mode Input Range	0 V (Min) to 28 V (Max)

Pinout and package

Pin	Name	Function	Source
1		OUT, Output Voltage
2		GND, Ground
3		VCC, Supply Voltage
4		RS+, Power connection to the external sense resistor
5		RS-, Load-side connection to the external sense resistor

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DatasheetDatasheet · 1.7 MB · 2026-10-29

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