Overview
The INA103KU/1K is a high-performance instrumentation amplifier produced by Texas Instruments. Designed for precision signal amplification, this product is ideal for applications requiring high accuracy and low noise. The INA103KU/1K is widely used in medical instrumentation, industrial automation, and test and measurement systems. Its unique selling points include ultra-low noise, high common-mode rejection ratio (CMRR), and a wide supply voltage range, making it a competitive choice for demanding applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | ±4.5 to ±18 | V | Dual supply |
| Input Offset Voltage | 50 | µV | Max |
| Input Bias Current | 10 | nA | Max |
| Common-Mode Rejection Ratio (CMRR) | 120 | dB | Min |
| Gain Bandwidth Product | 1 | MHz | Typical |
| Noise Voltage | 1.5 | nV/√Hz | At 1 kHz |
| Operating Temperature Range | -40 to +85 | °C | |
| Package | SOIC-16 |
Key Features
- Ultra-Low Noise: Ensures high signal integrity in sensitive applications.
- High CMRR: Reduces common-mode interference for accurate measurements.
- Wide Supply Voltage Range: Supports flexible power supply configurations.
- Precision Gain Control: Allows precise amplification adjustments.
- Robust Design: Suitable for harsh industrial environments.
Applications
The INA103KU/1K is widely used in various industries due to its precision and reliability. Key applications include:
- Medical Instrumentation: ECG amplifiers, patient monitoring systems.
- Industrial Automation: Sensor signal conditioning, process control.
- Test and Measurement: Data acquisition systems, precision analyzers.
- Audio Equipment: High-fidelity audio amplification.
Q & A
1. What is the typical gain bandwidth product of the INA103KU/1K?
The typical gain bandwidth product is 1 MHz.
2. What is the maximum supply voltage for the INA103KU/1K?
The maximum supply voltage is ±18 V.
3. Can the INA103KU/1K operate in harsh environments?
Yes, it is designed to operate in temperatures ranging from -40°C to +85°C.
4. What is the input offset voltage of the INA103KU/1K?
The maximum input offset voltage is 50 µV.
5. Is the INA103KU/1K suitable for medical applications?
Yes, it is ideal for medical instrumentation like ECG amplifiers.
6. What is the noise voltage of the INA103KU/1K at 1 kHz?
The noise voltage is 1.5 nV/√Hz at 1 kHz.
7. What package does the INA103KU/1K come in?
It comes in an SOIC-16 package.
8. What is the input bias current of the INA103KU/1K?
The maximum input bias current is 10 nA.
9. Can the INA103KU/1K be used in audio equipment?
Yes, it is suitable for high-fidelity audio amplification.
10. What is the minimum CMRR of the INA103KU/1K?
The minimum CMRR is 120 dB.
