
INA254A2IPWAR
Active80-V, BIDIRECTIONAL ±75-A ZERO-DRIFT CURRENT-SENSE AMPLIFIER WITH PWM REJECTION AND SHUNT RESISTOR
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INA254A2IPWAR
Active80-V, BIDIRECTIONAL ±75-A ZERO-DRIFT CURRENT-SENSE AMPLIFIER WITH PWM REJECTION AND SHUNT RESISTOR
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Technical Specifications
Parameters and characteristics for this part
| Specification | INA254A2IPWAR |
|---|---|
| -3db Bandwidth | 350 kHz |
| Amplifier Type | Current Sense |
| Current - Input Bias | 90 µA |
| Current - Supply | 1.8 mA |
| Mounting Type | Surface Mount |
| Number of Circuits | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | Single-Ended |
| Package / Case | Exposed Pad, 24-SOP |
| Package / Case | 4.4 mm, 0.173 in |
| Slew Rate | 2.4 V/µs |
| Supplier Device Package | 24-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
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut 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 Instruments | LARGE 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.
Documents
Technical documentation and resources