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INA2180A3IDGKR
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INA2180A3IDGKR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Current Sense Amplifier
  • Characteristics: High precision, low offset voltage, wide input voltage range
  • Package: VSSOP-8
  • Essence: Amplifies small differential voltages across a shunt resistor to measure current
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Input Common Mode Voltage Range: -0.2V to +26V
  • Output Voltage Swing: Rail-to-Rail
  • Gain Bandwidth Product: 200 kHz
  • Offset Voltage: ±150 µV (max)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA2180A3IDGKR has the following pin configuration:

  1. V+ (Positive Supply Voltage)
  2. V- (Negative Supply Voltage)
  3. IN- (Inverting Input)
  4. IN+ (Non-Inverting Input)
  5. REF (Reference Voltage)
  6. OUT (Output)
  7. SET (Gain Setting)
  8. GND (Ground)

Functional Features

  • High accuracy current sensing
  • Wide common mode voltage range
  • Low offset voltage and drift
  • Rail-to-rail output swing
  • Adjustable gain through external resistor
  • Low quiescent current consumption

Advantages and Disadvantages

Advantages: - High precision measurement of current - Wide input voltage range allows for versatile applications - Rail-to-rail output swing ensures accurate signal representation - Adjustable gain provides flexibility in different current sensing scenarios

Disadvantages: - Limited gain bandwidth product may restrict high-frequency applications - Requires external resistor for gain setting

Working Principles

The INA2180A3IDGKR is a current sense amplifier that measures small differential voltages across a shunt resistor to determine the current flowing through it. It utilizes a high-precision operational amplifier to amplify the voltage drop across the shunt resistor, which is proportional to the current passing through it. The amplified output signal is then available for further processing or measurement.

Detailed Application Field Plans

The INA2180A3IDGKR finds applications in various fields where accurate current sensing is required. Some of the potential application areas include:

  1. Power management systems
  2. Battery monitoring and charging circuits
  3. Motor control and protection
  4. Overcurrent detection in industrial equipment
  5. Current monitoring in renewable energy systems

Detailed and Complete Alternative Models

  1. INA219: Higher precision current sense amplifier with I2C interface
  2. INA220: Current sense amplifier with integrated ADC for digital output
  3. INA226: High-side bi-directional current/power monitor with I2C interface
  4. INA233: High accuracy current sense amplifier with integrated shunt resistor

These alternative models offer different features and specifications to cater to specific application requirements.

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技術ソリューションにおける INA2180A3IDGKR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of INA2180A3IDGKR in technical solutions:

  1. Q: What is the INA2180A3IDGKR? A: The INA2180A3IDGKR is a high-side current sense amplifier that can accurately measure current flowing through a load.

  2. Q: What is the maximum supply voltage for the INA2180A3IDGKR? A: The maximum supply voltage for the INA2180A3IDGKR is 26V.

  3. Q: How does the INA2180A3IDGKR measure current? A: The INA2180A3IDGKR measures current by sensing the voltage drop across a shunt resistor placed in series with the load.

  4. Q: What is the output voltage range of the INA2180A3IDGKR? A: The output voltage range of the INA2180A3IDGKR is from 0V to Vcc - 0.2V.

  5. Q: Can the INA2180A3IDGKR measure bidirectional current flow? A: No, the INA2180A3IDGKR can only measure unidirectional current flow.

  6. Q: What is the typical gain of the INA2180A3IDGKR? A: The typical gain of the INA2180A3IDGKR is 20V/V.

  7. Q: Is the INA2180A3IDGKR suitable for high-precision current measurements? A: Yes, the INA2180A3IDGKR has a low offset voltage and excellent linearity, making it suitable for high-precision current measurements.

  8. Q: Can the INA2180A3IDGKR operate in high-temperature environments? A: Yes, the INA2180A3IDGKR has a wide operating temperature range of -40°C to +125°C.

  9. Q: Does the INA2180A3IDGKR require an external reference voltage? A: No, the INA2180A3IDGKR has an internal reference voltage, eliminating the need for an external reference.

  10. Q: What is the package type of the INA2180A3IDGKR? A: The INA2180A3IDGKR is available in a 8-pin VSSOP package.

Please note that these answers are based on general information and it's always recommended to refer to the datasheet or consult the manufacturer for specific details and application requirements.