Overview
The INA141UA, manufactured by Texas Instruments, is a precision low-power instrumentation amplifier designed for a wide range of applications. This model is part of the INA141 series and is available in an 8-pin SOIC package. It is particularly noted for its high accuracy, low power consumption, and versatility, making it suitable for use in battery-powered systems, medical instruments, and data acquisition systems. The INA141UA features a 3-op-amp design, providing excellent performance with minimal external components.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 4.5V ~ 36V, ±2.25V ~ 18V | V | Single/Dual |
| Input Bias Current | 2nA | A | |
| Output Current per Channel | 15mA | A | |
| -3dB Bandwidth | 1MHz | Hz | |
| Slew Rate | 4V/μs | V/μs | |
| Operating Temperature | -40℃ ~ +85℃ | ℃ | |
| Package | SOIC-8 | ||
| Dimensions | 4.91 x 3.90 x 1.57mm | mm |
Key Features
- Precision low-power design for high accuracy.
- 3-op-amp architecture for versatile applications.
- Wide supply voltage range from 4.5V to 36V.
- Low input bias current of 2nA.
- High output current capability of 15mA per channel.
- Operates in a wide temperature range from -40℃ to +85℃.
Applications
The INA141UA is widely used in various fields such as industrial automation, medical instruments, and consumer electronics. Its precision and low power consumption make it ideal for bridge amplifiers, thermocouple amplifiers, RTD sensor amplifiers, and data acquisition systems. The device's robust design ensures reliable performance in harsh environments, making it a preferred choice for critical applications.
Q & A
1. What is the supply voltage range for the INA141UA?
The supply voltage ranges from 4.5V to 36V, with dual supply options from ±2.25V to ±18V.
2. What is the input bias current of the INA141UA?
The input bias current is 2nA.
3. What is the output current capability per channel?
Each channel can output up to 15mA.
4. What is the bandwidth of the INA141UA?
The -3dB bandwidth is 1MHz.
5. What is the slew rate of the INA141UA?
The slew rate is 4V/μs.
6. What is the operating temperature range?
The operating temperature ranges from -40℃ to +85℃.
7. What package does the INA141UA come in?
It is available in an 8-pin SOIC package.
8. What are the dimensions of the INA141UA?
The dimensions are 4.91 x 3.90 x 1.57mm.
9. What are some typical applications of the INA141UA?
Typical applications include bridge amplifiers, thermocouple amplifiers, RTD sensor amplifiers, medical instruments, and data acquisition systems.
10. What makes the INA141UA suitable for battery-powered systems?
Its low power consumption and wide supply voltage range make it ideal for battery-powered systems.
