INA2137UA
Product Overview
Category
INA2137UA belongs to the category of integrated circuits (ICs).
Use
The INA2137UA is commonly used as a precision instrumentation amplifier in various electronic applications.
Characteristics
- High accuracy and precision
- Low offset voltage and low noise
- Wide input voltage range
- High common-mode rejection ratio (CMRR)
- Low power consumption
Package
INA2137UA is available in a small outline package (SOIC) with 8 pins.
Essence
The essence of INA2137UA lies in its ability to amplify and accurately measure small differential signals in the presence of common-mode noise.
Packaging/Quantity
The INA2137UA is typically sold in reels or tubes, containing a quantity of 250 units per package.
Specifications
- Supply Voltage: 2.7V to 18V
- Input Offset Voltage: ±150µV (maximum)
- Input Bias Current: ±100nA (maximum)
- Gain Bandwidth Product: 1MHz (typical)
- Common-Mode Rejection Ratio: 100dB (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
- V+
- V-
- REF
- IN-
- IN+
- OUT
- NC
- GND
Functional Features
- Differential input amplification
- Adjustable gain
- Output voltage swing close to the supply rails
- Internal reference voltage for single-supply operation
Advantages
- High accuracy and precision measurements
- Excellent performance in noisy environments
- Versatile gain adjustment options
- Suitable for both single-supply and dual-supply configurations
Disadvantages
- Relatively limited gain bandwidth product compared to some other instrumentation amplifiers
- Higher cost compared to basic operational amplifiers
Working Principles
The INA2137UA operates based on the principle of amplifying the difference between two input signals while rejecting any common-mode noise. It achieves this through a combination of precision resistors, operational amplifiers, and feedback networks.
Detailed Application Field Plans
- Precision measurement equipment
- Medical instrumentation
- Industrial control systems
- Data acquisition systems
- Audio signal processing
Detailed and Complete Alternative Models
- AD8221
- LT1167
- MCP6N11
- MAX4209
These alternative models offer similar functionality and performance characteristics to the INA2137UA and can be considered as suitable replacements in various applications.
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기술 솔루션에 INA2137UA 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of INA2137UA in technical solutions:
Q: What is the INA2137UA? A: The INA2137UA is a high-precision, low-drift, bidirectional current shunt monitor IC.
Q: What is the purpose of using the INA2137UA? A: The INA2137UA is used to accurately measure current flowing through a shunt resistor in various applications.
Q: How does the INA2137UA measure current? A: The INA2137UA measures current by sensing the voltage drop across a shunt resistor and converting it into a proportional output voltage.
Q: What is the maximum current range that the INA2137UA can measure? A: The INA2137UA can measure currents up to ±26A with a typical accuracy of 0.5%.
Q: Can the INA2137UA be used for both AC and DC current measurements? A: Yes, the INA2137UA can be used for both AC and DC current measurements.
Q: Does the INA2137UA require an external power supply? A: Yes, the INA2137UA requires a single positive power supply between 2.7V and 26V.
Q: Can the INA2137UA be used in high-voltage applications? A: Yes, the INA2137UA has a high common-mode voltage range of -0.3V to +26V, making it suitable for high-voltage applications.
Q: Is the INA2137UA capable of providing digital output? A: No, the INA2137UA provides analog output voltage proportional to the measured current.
Q: Can multiple INA2137UA ICs be used in parallel to measure multiple currents? A: Yes, multiple INA2137UA ICs can be used in parallel to measure multiple currents simultaneously.
Q: What are some typical applications of the INA2137UA? A: The INA2137UA is commonly used in power management systems, motor control, battery monitoring, and industrial automation applications.
Please note that these answers are general and may vary depending on specific design considerations and requirements.