Overview
The INA126UA/2K5 is a precision instrumentation amplifier produced by Texas Instruments. It is part of the INA126 series, known for its low power consumption and high precision. This amplifier is designed for applications requiring low noise, high accuracy, and a wide supply voltage range. The INA126UA/2K5 is particularly suited for use in medical devices, industrial control systems, and other applications where precise signal amplification is critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Quiescent Current | 175 | μA/channel |
| Supply Voltage Range | ±1.35 V to ±18 V | V |
| Offset Voltage | 250 | μV (maximum) |
| Input Bias Current | ±10 to ±25 | nA |
| Input Offset Current | ±0.5 to ±2 | nA |
| Common-Mode Rejection Ratio (CMRR) | 80 to 94 | dB |
| Bandwidth (–3 dB) | 200 kHz (G = 5) | kHz |
| Output Voltage Swing | (V+) – 0.9 to (V+) – 0.75 V, (V–) + 0.95 to (V–) + 0.8 V | V |
| Package | SOIC-8 |
Key Features
- Low quiescent current of 175 μA per channel, making it suitable for battery-powered devices.
- Wide supply voltage range from ±1.35 V to ±18 V, providing flexibility in various applications.
- Low offset voltage of 250 μV maximum, ensuring high precision in signal amplification.
- High common-mode rejection ratio (CMRR) of up to 94 dB, minimizing the impact of common-mode signals.
- High bandwidth of up to 200 kHz for gain settings of 5, allowing for fast signal processing.
- Low noise characteristics with a voltage noise of 35 nV/√Hz at 1 kHz.
Applications
- Medical Devices: ECG, EEG, and other medical monitoring equipment where precise signal amplification is crucial.
- Industrial Control Systems: For amplifying signals from sensors in industrial automation and control systems.
- Test and Measurement Equipment: In oscilloscopes, multimeters, and other test equipment requiring high precision amplification.
- Aerospace and Defense: In applications requiring low power consumption and high reliability.
- Automotive Systems: For sensor signal amplification in automotive control systems.
Q & A
- What is the quiescent current of the INA126UA/2K5?
The quiescent current of the INA126UA/2K5 is 175 μA per channel.
- What is the supply voltage range for the INA126UA/2K5?
The supply voltage range for the INA126UA/2K5 is from ±1.35 V to ±18 V.
- What is the maximum offset voltage of the INA126UA/2K5?
The maximum offset voltage of the INA126UA/2K5 is 250 μV.
- What is the common-mode rejection ratio (CMRR) of the INA126UA/2K5?
The CMRR of the INA126UA/2K5 is up to 94 dB.
- What is the bandwidth of the INA126UA/2K5 at a gain setting of 5?
The bandwidth of the INA126UA/2K5 at a gain setting of 5 is up to 200 kHz.
- What is the package type of the INA126UA/2K5?
The INA126UA/2K5 comes in an SOIC-8 package.
- What are some typical applications of the INA126UA/2K5?
The INA126UA/2K5 is typically used in medical devices, industrial control systems, test and measurement equipment, aerospace and defense, and automotive systems.
- How does the INA126UA/2K5 handle noise?
The INA126UA/2K5 has low noise characteristics with a voltage noise of 35 nV/√Hz at 1 kHz.
- What is the input bias current of the INA126UA/2K5?
The input bias current of the INA126UA/2K5 is ±10 to ±25 nA.
- What is the output voltage swing of the INA126UA/2K5?
The output voltage swing of the INA126UA/2K5 is (V+) – 0.9 to (V+) – 0.75 V and (V–) + 0.95 to (V–) + 0.8 V.
