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INA180 Current-Sense Amplifiers
Texas Instruments offers their INA180 26 V, 350 kHz bandwidth, low- or high-side voltage output current sense amplifiers
Texas Instruments' INA180 is a family of cost-optimized, 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 INA180 integrates 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.
The INA180 operates from a single 2.7 V to 5.5 V power supply, drawing a maximum of 260 µA of supply current.
All device options are specified over the extended operating temperature range of -40°C to +125°C and are available in a 5-pin, SOT-23 package with two different pin configurations.
- Common-mode range (VCM): -0.2 V to +26 V
- Offset voltage:
- ±150 µV (max) at VCM = 0 V
- ±500 µV (max) at VCM = 12 V
- Output slew rate: 2 V/µs
- Accuracy:
- ±1% gain error (max)
- 1 µV/°C offset drift (max)
- High bandwidth: 350 kHz
- Gain options:
- 20 V/V (A1 devices)
- 50 V/V (A2 devices)
- 100 V/V (A3 devices)
- 200 V/V (A4 devices)
- Quiescent current: 260 µA (max)
- Motor control
- Battery monitoring
- Power management
- Lighting control
- Overcurrent detection
INA180 Current-Sense Amplifiers
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | INA180A1IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 4407 - Immediate | $8.15 | View Details |
| | INA180A2IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 11765 - Immediate | $8.15 | View Details |
| | INA180A3IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 10535 - Immediate | $8.15 | View Details |
| | INA180A4IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 2912 - Immediate | $8.15 | View Details |
| | INA180B1IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 11938 - Immediate | $8.15 | View Details |
| | INA180B2IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 410 - Immediate | $7.41 | View Details |
| | INA180B3IDBVT | IC CURR SENSE 1 CIRCUIT SOT23-5 | 1216 - Immediate | $7.41 | View Details |
Evaluation Module
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
|  | INA180-181EVM | EVAL BOARD FOR INA180 INA181 | 30 - Immediate | $98.78 | View Details |
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