Texas Instruments

INA188IDR  

OP Amps, Buffer Amps ICs

The INA188IDR 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 producing high-quality electronic components.

Description:

The INA188IDR is a single, 8-pin, Rail-to-Rail input and output, precision instrumentation amplifier with a gain bandwidth product of 2.5 MHz. It is designed to provide high accuracy and low noise performance in a small package. The device is available in an 8-lead SOIC package.

Features:

1. High accuracy: The INA188IDR offers excellent accuracy with a maximum offset voltage of ±1 µV and a maximum input bias current of ±1 pA.
2. Low power consumption: The device operates with a low supply current of 330 µA, making it suitable for battery-powered applications.
3. Rail-to-Rail input and output: The INA188IDR can accept input signals that are close to the supply rails, and it can output signals that swing within 30 mV of the supply rails.
4. Wide supply voltage range: The device can operate with a supply voltage range of 2.7 V to 10.6 V.
5. High gain bandwidth: The INA188IDR has a gain bandwidth product of 2.5 MHz, making it suitable for high-speed applications.
6. Low noise: The device features a low input voltage noise of 4.5 nV/√Hz, which is ideal for applications requiring low-noise performance.
7. Internal frequency compensation: The INA188IDR includes internal frequency compensation, eliminating the need for external components for stability.

Applications:

1. Medical equipment: The INA188IDR is well-suited for use in medical equipment, such as patient monitoring systems and diagnostic devices, due to its high accuracy and low noise performance.
2. Industrial control systems: The device can be used in industrial control systems for precise signal conditioning and amplification of sensor inputs.
3. Battery-powered devices: The low power consumption of the INA188IDR makes it suitable for use in battery-powered devices, such as portable data acquisition systems and wireless sensors.
4. Audio equipment: The low noise and high accuracy of the INA188IDR make it suitable for audio applications, such as microphone preamplifiers and audio mixers.
5. Strain gauge amplifiers: The INA188IDR can be used in strain gauge amplifiers for measuring mechanical stress and strain in various applications, such as civil engineering and materials testing.
6. Sensor conditioning: The device can be used to condition and amplify signals from various sensors, such as temperature, pressure, and humidity sensors.

In summary, the INA188IDR from Texas Instruments is a precision, low-power instrumentation amplifier with high accuracy, low noise, and a wide supply voltage range. It is suitable for a variety of applications, including medical equipment, industrial control systems, battery-powered devices, audio equipment, strain gauge amplifiers, and sensor conditioning.

INA188IDR Documents

Download datasheets and manufacturer documentation for INA188IDR

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)       Product Change Notification 2024-06-28 (PDF)      

Application Notes :

Using op amps to reduce near-field EMI on PCBs       Simplify Voltage and Current Measurement in Battery Test Equipment       Offset Correction Methods: Laser Trim e-Trim and Chopper (Rev. A)       Offset Correction Methods: Laser Trim e-Trim and Chopper (Rev. C)      

Technical Resources :

INA188 TINA-TI Reference Design      

SPICE Models :

INA188 PSpice Model       INA188 TINA-TI Spice Model