Overview
The INA141UAG4 is a precision instrumentation amplifier manufactured by Burr Brown, a subsidiary of Texas Instruments. Designed for applications requiring high accuracy and stability, this component is ideal for amplifying small differential signals in the presence of common-mode noise. The INA141UAG4 is widely used in industrial, medical, and automotive systems where precision signal conditioning is critical. Its low offset voltage, high common-mode rejection ratio (CMRR), and wide supply voltage range make it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | ±2.25 to ±18 | V | Dual supply |
| Input Offset Voltage | 50 | µV | Max |
| Common-Mode Rejection Ratio (CMRR) | 106 | dB | Min |
| Gain Range | 1 to 10,000 | V/V | External resistor programmable |
| Bandwidth | 200 | kHz | At G = 100 |
| Quiescent Current | 700 | µA | Typical |
| Operating Temperature Range | -40 to +85 | °C | |
| Package | SOIC-8 | Surface mount |
Key Features
- High CMRR: Ensures accurate signal amplification in noisy environments.
- Low Offset Voltage: Minimizes errors in precision measurements.
- Wide Supply Voltage Range: Compatible with various power supply configurations.
- Programmable Gain: Flexible gain setting using an external resistor.
- Low Quiescent Current: Suitable for power-sensitive applications.
Applications
The INA141UAG4 is commonly used in:
- Industrial Automation: For signal conditioning in sensors and transducers.
- Medical Equipment: In patient monitoring and diagnostic devices.
- Automotive Systems: For amplifying signals in sensors and control modules.
- Test and Measurement: In precision instrumentation and data acquisition systems.
Q & A
1. What is the typical gain range of the INA141UAG4?
The gain range is from 1 to 10,000 V/V, programmable using an external resistor.
2. What is the maximum supply voltage for the INA141UAG4?
The maximum supply voltage is ±18 V.
3. What is the CMRR of the INA141UAG4?
The CMRR is at least 106 dB.
4. What package does the INA141UAG4 come in?
It is available in an SOIC-8 surface-mount package.
5. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
6. Can the INA141UAG4 be used in battery-powered devices?
Yes, its low quiescent current makes it suitable for battery-powered applications.
7. How is the gain of the INA141UAG4 set?
The gain is set using an external resistor connected to the gain pins.
8. Is the INA141UAG4 suitable for medical applications?
Yes, its precision and stability make it ideal for medical devices.
9. What is the bandwidth of the INA141UAG4 at a gain of 100?
The bandwidth is 200 kHz at a gain of 100.
10. What is the input offset voltage of the INA141UAG4?
The maximum input offset voltage is 50 µV.
