0
ACTIVE
Product type |
Analog output |
Common-mode voltage (max) (V) |
26 |
Common-mode voltage (min) (V) |
-0.2 |
Input offset (±) (max) (µV) |
150 |
Input offset drift (±) (typ) (µV/°C) |
0.2 |
Features |
Low-side Capable |
Rating |
Catalog |
Voltage gain (V/V) |
20, 50, 100, 200 |
CMRR (min) (dB) |
84 |
Bandwidth (kHz) |
105, 150, 210, 350 |
Supply voltage (max) (V) |
5.5 |
Supply voltage (min) (V) |
2.7 |
Iq (max) (mA) |
0.3 |
Number of channels |
1 |
Comparators (#) |
0 |
Gain error (%) |
0.8 |
Gain error drift (±) (max) (ppm/°C) |
20 |
Slew rate (V/µs) |
2 |
Operating temperature range (°C) |
-40 to 125 |
SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8
The INA180, INA2180, and INA4180 (INAx180) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift.
All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.
The INA180 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180 is available in 8-pin, VSSOP and WSON packages. The INA4180 is available in a 14-pin, TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.
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