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INA254A1IPWAR
Integrated Circuits (ICs)

INA254A2IPWAR

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Texas Instruments

80-V, BIDIRECTIONAL ±75-A ZERO-DRIFT CURRENT-SENSE AMPLIFIER WITH PWM REJECTION AND SHUNT RESISTOR

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INA254A1IPWAR
Integrated Circuits (ICs)

INA254A2IPWAR

Active
Texas Instruments

80-V, BIDIRECTIONAL ±75-A ZERO-DRIFT CURRENT-SENSE AMPLIFIER WITH PWM REJECTION AND SHUNT RESISTOR

Technical Specifications

Parameters and characteristics for this part

SpecificationINA254A2IPWAR
-3db Bandwidth350 kHz
Amplifier TypeCurrent Sense
Current - Input Bias90 µA
Current - Supply1.8 mA
Mounting TypeSurface Mount
Number of Circuits1
Operating Temperature [Max]125 °C
Operating Temperature [Min]-40 °C
Output TypeSingle-Ended
Package / CaseExposed Pad, 24-SOP
Package / Case4.4 mm, 0.173 in
Slew Rate2.4 V/µs
Supplier Device Package24-HTSSOP
Voltage - Supply Span (Max) [Max]5.5 V
Voltage - Supply Span (Min) [Min]2.7 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyCut Tape (CT) 1$ 4.87
10$ 3.71
25$ 3.42
100$ 3.10
250$ 2.95
500$ 2.86
1000$ 2.78
Digi-Reel® 1$ 4.87
10$ 3.71
25$ 3.42
100$ 3.10
250$ 2.95
500$ 2.86
1000$ 2.78
Tape & Reel (TR) 2500$ 1.88
Texas InstrumentsLARGE T&R 1$ 3.03
100$ 2.65
250$ 1.86
1000$ 1.50

Description

General part information

INA254 Series

The INA254 is a voltage-output, current sense amplifier with a 400-µΩ integrated shunt resistor. The INA254 is designed to monitor bidirectional currents over a wide common-mode range from –4 V to +80 V, independent of the supply voltage. Three fixed gains are available: 20 mV/A, 40 mV/A, and 75 mV/A. The integration of the precision resistor with a zero-drift chopped amplifier provides calibration equivalent measurement accuracy, ultra-low temperature drift performance of ±45 ppm/°C (maximum), and an optimized Kelvin layout for the sensing resistor.

The INA254 is designed with enhanced PWM rejection circuitry to suppress large (dv/dt) signals that enable real-time continuous current measurements. The measurements are critical for in-line current measurements in a motor-drive application, and for solenoid valve control applications.

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. All gain versions are specified over the extended operating temperature range (–40°C to +125°C), and are available in a 24-pin HTSSOP package.