Texas Instruments INA280A2QDCKRQ1
- Part Number:
- INA280A2QDCKRQ1
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6402972-INA280A2QDCKRQ1
- Description:
- AEC-Q100, 2.7-V to 120-V, 1.1-Mhz current sense amplifier in small (SC-70) package
- Datasheet:
- ina280-q1
- Product typeAnalog output
- Common-mode voltage (max) (V)120
- Common-mode voltage (min) (V)2.7
- Input offset (±) (max) (V)0.00015
- Input offset drift (±) (typ) (V/°C)0.000001
- Voltage gain (V/V)20
- CMRR (min) (dB)120
- Bandwidth (MHz)1.1
- Supply voltage (max) (V)20
- Supply voltage (min) (V)2.7
- Iq (max) (mA)0.6
- Number of channels1
- Comparators (#)0
- FeaturesHigh precision
- RatingAutomotive
- TI functional safety categoryFunctional Safety-Capable
- Operating temperature range (°C)-40 to 125
The INA280-Q1 is a current sense amplifier that can measure voltage drops across shunt resistors over a wide common-mode range from 2.7 V to 120 V. It is in a highly space-efficient SC-70 package with a PCB footprint of only 2.0 mm × 2.1 mm. The current measurement accuracy is achieved thanks to the combination of an ultra-low offset voltage of ±150 µV (maximum), a small gain error of ±0.5% (maximum), and a high DC CMRR of 140 dB (typical). The INA280-Q1 is not only designed for DC current measurement, but also for high-speed applications (like fast overcurrent protection, for example) with a high bandwidth of 1.1 MHz (at gain of 20 V/V) and an 85-dB AC CMRR (at 50 kHz).
The INA280-Q1 operates from a single 2.7-V to 20-V supply and draws a 370-µA supply current (typical). The INA280-Q1 available with five gain options: 20 V/V, 50 V/V, 100 V/V, 200 V/V, and 500 V/V. The low offset and drift of the INA280-Q1 enables accurate current sensing over the extended operating temperature range of −40 °C to 125 °C.
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