Texas Instruments

INA181A1IDBVR  

OP Amps, Buffer Amps ICs

The INA181A1IDBVR is a monolithic, precision, low-power, instrumentation amplifier designed for use in a wide range of applications. It is manufactured by Texas Instruments, a leading semiconductor company known for its high-quality electronic components.

Description:

The INA181A1IDBVR is a single, 8-pin, surface-mount package that provides excellent performance in terms of accuracy, stability, and low power consumption. It is designed to amplify the difference between two input signals while rejecting common-mode signals. The device features a gain bandwidth product of 5 MHz and a maximum output current of ±20 mA.

Features:

1. Precision: The INA181A1IDBVR offers excellent precision with a maximum offset voltage drift of ±2 µV/°C and a maximum input bias current of ±1 pA.
2. Low Power: The device operates with a low supply current of 330 µA, making it suitable for battery-powered applications.
3. Wide Supply Voltage Range: It can operate with supply voltages from 2.7 V to 5.5 V, making it compatible with various power sources.
4. High Gain Bandwidth: The INA181A1IDBVR has a gain bandwidth product of 5 MHz, allowing it to amplify high-frequency signals with minimal distortion.
5. Rail-to-Rail Output: The device provides a rail-to-rail output swing, which means it can output signals close to the supply voltage rails, maximizing the dynamic range.
6. Internal Frequency Compensation: The INA181A1IDBVR includes internal frequency compensation, eliminating the need for external components for stability.

Applications:

1. Medical Instruments: The INA181A1IDBVR can be used in medical equipment, such as blood pressure monitors, ECG machines, and other diagnostic devices, to amplify small biopotential signals with high precision.
2. Industrial Control Systems: The device can be used in industrial control systems to amplify and process signals from sensors, such as temperature, pressure, and strain gauges.
3. Data Acquisition Systems: The INA181A1IDBVR is suitable for use in data acquisition systems where accurate amplification of input signals is required.
4. Battery Monitoring: The low power consumption and precision of the INA181A1IDBVR make it ideal for battery monitoring applications, such as measuring battery voltage and current in portable devices.
5. Audio Equipment: The device can be used in audio equipment to amplify small audio signals with minimal distortion and high fidelity.

In summary, the INA181A1IDBVR is a versatile, precision instrumentation amplifier from Texas Instruments that offers excellent accuracy, low power consumption, and a wide range of applications in various industries.

INA181A1IDBVR Documents

Download datasheets and manufacturer documentation for INA181A1IDBVR

Images :

Mechanical Outline Drawing      

PCN :

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

Models :

INA181A1IDBVR 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