Texas Instruments INA240A4QDRQ1, Automotive AEC-Q100, Current Sense Amplifier, 1 Circuit, 400 kHz -3dB Bandwidth, 2V/µs Slew Rate, 8-SOIC Package.
| Parameter | Value |
|---|---|
| Series | Automotive, AEC-Q100 |
| Mounting | Surface Mount |
| Amplifier type | Current Sense |
| Voltage - input offset | 5 µV |
| Voltage - supply span | 5.5 V |
| Current - supply | 1.8mA |
| Current - input bias | 90 µA |
| Operating temperature | -40°C~125°C |
| -3db bandwidth | 400 kHz |
| Package | Tube |
| Slew rate | 2V/µs |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Number of circuits | 1 |
The 400 kHz -3 dB bandwidth lets the INA240A4QDRQ1 resolve current ripple at typical switching frequencies in automotive DC-DC converters and Class D audio amplifiers. The 5 µV input offset voltage allows accurate measurement at shunt drops below 10 mV, so the sense resistor can be sized for lower power dissipation — a direct trade-off in thermally constrained ECU layouts.
Yes, the INA240A4QDRQ1 is listed under the Automotive, AEC-Q100 series, meaning it is qualified for automotive-grade reliability and temperature stress testing per AEC-Q100.
This bandwidth is sufficient for measuring current in switching converters operating up to several hundred kilohertz.