Texas Instruments

INA181A2IDBVR  

OP Amps, Buffer Amps ICs

The INA181A2IDBVR is a monolithic, precision, low-power, current shunt amplifier offered by Texas Instruments. It is designed to provide accurate and stable measurements of current in a variety of applications.

Description:

The INA181A2IDBVR is a precision current shunt amplifier that is available in a small, thermally enhanced, 10-lead MSOP package. It features a gain of 200V/V and an input voltage range of up to ±400mV. The device also offers a low input offset voltage and low drift over temperature, making it ideal for use in precision current sensing applications.

Features:

• Precision low-power current shunt amplifier
• Gain of 200V/V
• Input voltage range up to ±400mV
• Low input offset voltage: 100µV max
• Low drift over temperature: 0.5µV/°C typ
• Wide supply voltage range: 2.7V to 5.5V
• Small thermally enhanced 10-lead MSOP package

Applications:

The INA181A2IDBVR is suitable for a wide range of applications where accurate current sensing is required. Some of the key applications include:

1. Battery monitoring systems: The INA181A2IDBVR can be used to measure the current flowing in and out of a battery, allowing for accurate monitoring of the battery's state of charge and health.
2. Motor control: The device can be used to measure the current flowing through a motor, allowing for precise control of the motor's speed and torque.
3. Power supplies: The INA181A2IDBVR can be used to measure the output current of a power supply, providing feedback for closed-loop regulation.
4. Solar panel monitoring: The device can be used to measure the current generated by a solar panel, allowing for accurate monitoring of the panel's performance.
5. Energy harvesting: The INA181A2IDBVR can be used to measure the current generated by energy harvesting systems, such as piezoelectric or thermoelectric generators.

In summary, the INA181A2IDBVR is a precision current shunt amplifier that offers high accuracy and stability, making it suitable for a wide range of current sensing applications. Its low power consumption and small package size make it an ideal choice for portable and battery-powered systems.

INA181A2IDBVR Documents

Download datasheets and manufacturer documentation for INA181A2IDBVR

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification 2024-02-05 (PDF)       Product Change Notification (PDF)      

Models :

INA181A2IDBVR Symbol & Footprint by SnapMagic      

Product Catalogs :

Current Sense Amplifiers (Rev. D)      

Application Notes :

Low Cost Bidirectional Current Sensing Using INA181       Low-drift low-side bidirectional current sensing circuit with integrated preci       Bidirectional Low-Side Phase Current Sensing With Onboard Overcurrent Detection (Rev. D)       Low-Drift Low-Side Bidirectional Current Sensing Circuit (Rev. A)       Adjustable-gain current-output high-side current-sensing circuit       Low-Drift Low-Side Current Measurements for Three-Phase Systems (Rev. B)      

Technical Resources :

INA181 TINA-TI Reference Design (Rev. B)      

SPICE Models :

INA181A4 PSpice Model       INA181A2 PSpice Model       INA181A1 PSpice Model       INA181 TINA-TI Spice Model (Rev. A)       INA181 PSpice Model (Rev. B)       INA181A3 PSpice Model