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INA194AIDBVTG4
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INA194AIDBVTG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Current Shunt Monitor
  • Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
  • Package: SOT-23-6
  • Essence: Monitors current flowing through a shunt resistor
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Supply Voltage Range: 2.7V to 26V
  • Input Common-Mode Voltage Range: -0.3V to +26V
  • Output Voltage Swing: 0V to Vcc - 1.2V
  • Quiescent Current: 60µA
  • Gain Error: ±0.5%
  • Offset Voltage: ±100µV
  • Bandwidth: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA194AIDBVTG4 has a total of 6 pins:

  1. V+ (Positive Supply Voltage)
  2. V- (Negative Supply Voltage)
  3. REF (Reference Voltage)
  4. OUT (Output Voltage)
  5. IN- (Inverting Input)
  6. IN+ (Non-Inverting Input)

Functional Features

  • High accuracy current sensing
  • Wide common-mode voltage range allows for versatile applications
  • Low offset voltage minimizes measurement errors
  • Rail-to-rail output swing enables full utilization of the supply voltage range
  • Low quiescent current reduces power consumption

Advantages and Disadvantages

Advantages: - High accuracy measurements - Wide operating voltage range - Low offset voltage - Rail-to-rail output swing

Disadvantages: - Limited bandwidth compared to some other models - Higher cost compared to less accurate alternatives

Working Principles

The INA194AIDBVTG4 is designed to monitor the current flowing through a shunt resistor. It utilizes a precision amplifier to measure the voltage drop across the shunt resistor and provides an amplified output proportional to the current. The device operates by amplifying the differential voltage between the IN+ and IN- pins, which is then converted into a single-ended output voltage.

Detailed Application Field Plans

The INA194AIDBVTG4 is commonly used in various applications that require accurate current monitoring, such as:

  1. Battery management systems
  2. Power supplies and converters
  3. Motor control systems
  4. Industrial automation
  5. Energy monitoring systems

Detailed and Complete Alternative Models

  1. INA193AIDBVTG4: Similar specifications, but with lower gain error (+/- 0.25%)
  2. INA195AIDBVTG4: Higher bandwidth (1 MHz) and higher supply voltage range (2.7V to 36V)
  3. INA196AIDBVTG4: Lower offset voltage (+/- 50µV) and lower quiescent current (45µA)

These alternative models provide options based on specific requirements and trade-offs in terms of accuracy, bandwidth, and power consumption.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van INA194AIDBVTG4 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of INA194AIDBVTG4 in technical solutions:

  1. Q: What is the INA194AIDBVTG4? A: The INA194AIDBVTG4 is a high-side current sense amplifier designed for precise current measurement in various applications.

  2. Q: What is the operating voltage range of the INA194AIDBVTG4? A: The operating voltage range of the INA194AIDBVTG4 is from 2.7V to 26V.

  3. Q: What is the maximum input common-mode voltage of the INA194AIDBVTG4? A: The maximum input common-mode voltage of the INA194AIDBVTG4 is 26V.

  4. Q: What is the gain accuracy of the INA194AIDBVTG4? A: The gain accuracy of the INA194AIDBVTG4 is typically 0.5%.

  5. Q: Can the INA194AIDBVTG4 measure bidirectional currents? A: No, the INA194AIDBVTG4 can only measure unidirectional currents.

  6. Q: What is the bandwidth of the INA194AIDBVTG4? A: The bandwidth of the INA194AIDBVTG4 is typically 500kHz.

  7. Q: Does the INA194AIDBVTG4 have built-in overcurrent protection? A: No, the INA194AIDBVTG4 does not have built-in overcurrent protection. External protection circuitry may be required.

  8. Q: What is the package type of the INA194AIDBVTG4? A: The INA194AIDBVTG4 is available in a SOT-23 package.

  9. Q: Can the INA194AIDBVTG4 operate in high-temperature environments? A: Yes, the INA194AIDBVTG4 can operate in temperatures up to 125°C.

  10. Q: What are some typical applications of the INA194AIDBVTG4? A: The INA194AIDBVTG4 is commonly used in power management systems, motor control, battery chargers, and other applications requiring accurate current sensing.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.