INA117KU/2K5

Product Overview

• Category: Integrated Circuit
• Use: Instrumentation Amplifier
• Characteristics: High precision, low noise, high common-mode rejection ratio
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Precision differential amplifier with adjustable gain
• Packaging/Quantity: Tube packaging, 2500 units per tube

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 10nA (maximum)
• Gain Bandwidth Product: 200kHz
• Common-Mode Rejection Ratio: 100dB (minimum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA117KU/2K5 has a total of 8 pins:

1. REF (Reference Voltage)
2. V-
3. IN-
4. IN+
5. V+
6. OUT
7. RG (Gain Setting Resistor)
8. NC (No Connection)

Functional Features

• High accuracy and precision amplification of differential signals
• Adjustable gain through external resistor (RG)
• Low input offset voltage and bias current for accurate measurements
• Wide supply voltage range allows flexibility in various applications
• High common-mode rejection ratio minimizes interference from common-mode signals

Advantages

• Excellent performance in precision measurement applications
• Low noise and distortion for accurate signal amplification
• Flexible gain adjustment for customization based on specific requirements
• Robust design suitable for harsh environments
• Wide operating temperature range enhances versatility

Disadvantages

• Relatively higher cost compared to standard operational amplifiers
• Requires external components for proper operation
• Limited bandwidth compared to specialized amplifiers

Working Principles

The INA117KU/2K5 is an instrumentation amplifier that amplifies the difference between two input signals while rejecting common-mode noise. It consists of three operational amplifiers and precision resistors. The differential input signals are amplified by a gain set by an external resistor (RG). The amplified output is then provided at the OUT pin.

Detailed Application Field Plans

The INA117KU/2K5 finds applications in various fields, including:

1. Biomedical instrumentation: Amplification of small differential signals from sensors for accurate measurements in medical devices.
2. Industrial automation: Signal conditioning and amplification in control systems for precise monitoring and control of industrial processes.
3. Test and measurement equipment: Accurate signal amplification in oscilloscopes, data acquisition systems, and other testing instruments.
4. Strain gauge amplification: Precise amplification of strain gauge signals for stress analysis and load measurement applications.
5. Bridge amplification: Amplification of bridge sensor outputs for applications such as pressure sensing and force measurement.

Detailed and Complete Alternative Models

1. AD620: Instrumentation amplifier with adjustable gain and low power consumption.
2. INA128: Precision instrumentation amplifier with high common-mode rejection ratio.
3. AD8221: Low-cost instrumentation amplifier with rail-to-rail inputs and outputs.
4. LT1167: High precision instrumentation amplifier with low noise and low drift.
5. MCP6N11: Programmable gain instrumentation amplifier with low input offset voltage.

(Note: This entry has a total word count of 452 words)