INA2181A1IDGSR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Amplifier
- Characteristics: High precision, low noise, low power consumption
- Package: VSSOP-10
- Essence: Instrumentation amplifier
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage: 2.7V to 5.5V
- Input Offset Voltage: ±150µV (maximum)
- Gain Bandwidth Product: 200kHz (typical)
- Input Bias Current: ±100nA (maximum)
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The INA2181A1IDGSR has a total of 10 pins arranged as follows:
```
| | --| V+ OUT |-- --| IN+ REF |-- --| IN- GND |-- --| V- NC |-- |___________| ```
Functional Features
- High common-mode rejection ratio (CMRR) of 120dB (typical)
- Low input offset voltage for accurate measurements
- Wide supply voltage range for flexibility in various applications
- Rail-to-rail output swing for maximum signal integrity
- Low quiescent current for power efficiency
Advantages and Disadvantages
Advantages: - High precision amplification - Low noise performance - Small package size - Wide operating temperature range
Disadvantages: - Limited gain bandwidth product compared to some alternatives - Higher cost compared to basic operational amplifiers
Working Principles
The INA2181A1IDGSR is an instrumentation amplifier designed to amplify small differential signals while rejecting common-mode noise. It consists of three operational amplifiers configured in a differential amplifier topology. The input signals are amplified and filtered to provide a high-precision output.
Detailed Application Field Plans
The INA2181A1IDGSR is commonly used in various applications, including:
- Medical equipment: ECG amplification, patient monitoring systems
- Industrial automation: Sensor signal conditioning, process control
- Test and measurement: Data acquisition systems, strain gauge amplification
- Audio equipment: Microphone preamplifiers, audio mixers
Detailed and Complete Alternative Models
- INA2180A1IDGSR: Similar specifications and pin configuration, but with a different package (SOT-23)
- INA2182A1IDGSR: Higher gain bandwidth product (500kHz), suitable for higher frequency applications
- INA2183A1IDGSR: Lower input offset voltage (±50µV), ideal for precision measurements
These alternative models offer similar functionality with slight variations to cater to specific requirements.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi INA2181A1IDGSR dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of INA2181A1IDGSR in technical solutions:
Q1: What is the INA2181A1IDGSR? A1: The INA2181A1IDGSR is a high-side current sense amplifier that can accurately measure current flowing through a shunt resistor.
Q2: What is the typical supply voltage range for the INA2181A1IDGSR? A2: The typical supply voltage range for the INA2181A1IDGSR is between 2.7V and 5.5V.
Q3: What is the maximum input common-mode voltage range of the INA2181A1IDGSR? A3: The maximum input common-mode voltage range of the INA2181A1IDGSR is from -0.2V to +26V.
Q4: What is the gain accuracy of the INA2181A1IDGSR? A4: The gain accuracy of the INA2181A1IDGSR is typically 0.5%.
Q5: Can the INA2181A1IDGSR be used for bidirectional current sensing? A5: Yes, the INA2181A1IDGSR can be used for bidirectional current sensing by properly configuring the reference voltage.
Q6: What is the bandwidth of the INA2181A1IDGSR? A6: The bandwidth of the INA2181A1IDGSR is typically 200 kHz.
Q7: Does the INA2181A1IDGSR have built-in protection features? A7: Yes, the INA2181A1IDGSR has built-in overcurrent and overtemperature protection features.
Q8: Can the INA2181A1IDGSR operate in high-temperature environments? A8: Yes, the INA2181A1IDGSR can operate in temperatures up to 125°C.
Q9: What is the package type of the INA2181A1IDGSR? A9: The INA2181A1IDGSR is available in a small SOT-23 package.
Q10: What are some typical applications for the INA2181A1IDGSR? A10: Some typical applications for the INA2181A1IDGSR include motor control, power management, battery monitoring, and current sensing in various electronic systems.
Please note that these answers are based on general information about the INA2181A1IDGSR. For specific details and accurate information, it is always recommended to refer to the datasheet or consult the manufacturer.