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The INA2181A1IDGSR is a dual-channel, bi-directional current-sense amplifier that belongs to the INAx181 family of products. The device is available in a 10-pin VSSOP package and is designed for high-precision current measurement applications.

INA2181A1IDGSR Functional Features

Common Mode Voltage Range: Operates over a common mode voltage range of -0.2V to +26V, independent of supply voltage.

High bandwidth: Features a high bandwidth of 350kHz (A1 devices) for fast response to current variations.

Low offset voltage: Maximum offset voltage is ±150µV at VCM=0V and ±500µV at VCM=12V.

High Output Slew Rate: Output slew rate of 2V/µs ensures fast signal transmission.

Bi-directional current detection: Supports bi-directional current detection function, suitable for a variety of application scenarios.

High accuracy: Gain error of up to ±1% and offset drift of up to 1µV/°C ensure measurement accuracy.

Gain option: 20V/V fixed gain option available (A1 device).

Low quiescent current: A maximum quiescent current of only 500µA helps reduce system power consumption.

INA2181A1IDGSR Specifications

Amplifier Type: Current Sense  

Number of circuits: 2  

Output Type: Full Swing  

Slew rate: 2V/µs  

-3db Bandwidth: 350 kHz  

Current - Input Bias: 75 µA  

Voltage - Input Compensation: 100 µV  

Current - Supply: 356µA  

Voltage - Span (min): 2.7 V  

Voltage - Span (Max): 5.5 V  

INA2181A1IDGSR Application Areas

Motor drives: Monitoring of motor currents for precise control and protection.

Battery management systems: In electric vehicles and energy storage systems for monitoring battery charge and discharge currents.

Power management: in various power supply systems, for input and output current monitoring and control.

Industrial automation: in automated production lines and robots, for current monitoring and fault detection.

Medical devices: in medical instruments for precise current monitoring and patient safety protection.

INA2181A1IDGSR Package Information

Package Format: VSSOP-10-0.5mm

Number of pins: 10

Operating Temperature Range: -40°C ~ 125°C

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