INA240A4PW - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

INA240A4PW
Manufacturer

TI
ChipWorker Part#

CW35912966
Category

Amplifier, Buffer IC
Package

TSSOP-8
Description

High/Low Side, Bi-Directional Zero-Drift Current Sense Amp w/ Enhanced PWM Rejection 8-TSSOP -40℃ to 125℃
Documentation

Datasheet

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INA240A4PW Specifications

Attribute	Attribute Value

Part Number	INA240A4PW
Manufacturer	TI
ChipWorker Part#	CW35912966
Category	Amplifier, Buffer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	TSSOP-8
Supply Current	1.8 mA
Number of Circuits	1 Circuit
Common Mode Rejection Ratio	120 dB
Input Offset Voltage	5 µV
Input Bias Current	90 µA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
3dB Bandwidth	400 kHz
Minimum CMRR Range	120 dB
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Rail, Tube
RoHS	RoHS Compliant
Lead-Free Status

Product Description

The INA240 is a voltage-output, current-sense amplifier with enhanced PWM rejection that can sense drops across shunt resistors over a wide common-mode voltage range from –4 V to 80 V, independent of the supply voltage. The negative common-mode voltage allows the device to operate below ground, accommodating the flyback period of typical solenoid applications. Enhanced PWM rejection provides high levels of suppression for large common-mode transients (ΔV/Δt) in systems that use pulse width modulation (PWM) signals (such as motor drives and solenoid control systems). This feature allows for accurate current measurements without large transients and associated recovery ripple on the output voltage.
This device operates from a single 2.7-V to 5.5-V power supply, drawing a maximum of 2.4 mA of supply current. Four fixed gains are available: 20 V/V, 50 V/V, 100 V/V, and 200 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale. All versions are specified over the extended operating temperature range (–40°C to +125°C), and are offered in an 8-pin TSSOP package.

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