The INA270A-Q1 and INA271A-Q1 (INA27xA-Q1) family of current-shunt monitors with voltage output can sense voltage drops across current shunts at common-mode voltages from –16 V to +80 V, independent of the supply voltage. The INA27xA-Q1 pinouts readily enable filtering.
The INA27xA-Q1 devices are available with two output voltage scales: 14 V/V and 20 V/V. The 130-kHz bandwidth simplifies use in current-control loops.
The INA27xA-Q1 operates from a single 2.7-V to 18-V supply, drawing a maximum of 900 µA of supply current. They are specified over the extended operating temperature range of –40°C to +125°C and are offered in an SOIC-8 package.
| Product type | Analog output |
| Common-mode voltage (max) (V) | 80 |
| Common-mode voltage (min) (V) | -16 |
| Input offset (±) (max) (µV) | 2500 |
| Input offset drift (±) (typ) (µV/°C) | 2.5 |
| Voltage gain (V/V) | 14 |
| CMRR (min) (dB) | 100 |
| Bandwidth (kHz) | 130 |
| Supply voltage (max) (V) | 18 |
| Supply voltage (min) (V) | 2.7 |
| Iq (max) (mA) | 0.95 |
| Number of channels | 1 |
| Comparators (#) | 0 |
| Gain error (%) | 1 |
| Gain error drift (±) (max) (ppm/°C) | 50 |
| Slew rate (V/µs) | 2 |
| Features | Low-side Capable |
| Rating | Automotive |
| Operating temperature range (°C) | -40 to 125 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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