INA180A1IDBVR current sensing amplifier TI original stock

explain

The INA180, INA2180, and INA4180 (INAx180) current detection amplifiers are designed specifically for cost optimized applications. This type of device is part of a series of current detection amplifiers (also known as current splitter monitors) that can detect voltage drops on current detection resistors in a common mode voltage range of -0.2V to+26V independent of the power supply voltage. The INAx180 integrates a matching resistor gain network and supports four fixed gain device options: 20V/V, 50V/V, 100V/V, or 200V/V. The matched gain resistor network can greatly reduce gain error and reduce temperature drift.

All such devices are powered by a single power supply ranging from 2.7V to 5.5V. The maximum power current consumed by a single channel INA180 is 260 µ A; The maximum power current consumed by the dual channel INA2180 is 500 µ A, and the maximum power current consumed by the four channels is 900 µ A.

The INA180 adopts a 5-pin SOT-23 package with two different pin configurations. The INA2180 is packaged in 8-pin VSSOP and WSON. INA4180 is packaged in a 14 pin TSSOP. All device options have an extended rated operating temperature range of -40 ° C to+125 ° C.

characteristic

Common mode range (VCM): -0.2V to+26V

High bandwidth: 350kHz (A1 device)

• Offset voltage:

± 150 µ V at VCM=0V (maximum)

± 500 µ V at VCM=12V (maximum)

Output voltage swing rate: 2V/µ s

• Accuracy:

- ± 1% gain error (maximum)

-1 µ V/° C temperature drift (maximum)

Gain options:

– 20V/V (A1 device)

– 50V/V (A2 devices)

-100V/V (A3 device)

-200V/V (A4 device)

Static current: 260 µ A (maximum) (INA180)

application

• Motor control

• Battery monitoring

• Power management

• Lighting control

• Overcurrent detection