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INA198AIDBVTG4
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INA198AIDBVTG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Amplifier
  • Characteristics: High precision, low power consumption
  • Package: SOT-23-6
  • Essence: Instrumentation amplifier
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Supply Voltage Range: ±2.25V to ±18V
  • Input Offset Voltage: ±150µV (maximum)
  • Gain Bandwidth Product: 1MHz (typical)
  • Input Bias Current: ±50nA (maximum)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA198AIDBVTG4 has a total of 6 pins:

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

Functional Features

  • High common-mode rejection ratio (CMRR) of 120dB
  • Low input offset voltage for accurate measurements
  • Rail-to-rail output swing capability
  • Low quiescent current of 60µA (typical)
  • Wide supply voltage range for versatile applications

Advantages and Disadvantages

Advantages: - High precision amplification - Wide operating temperature range - Low power consumption - Small package size for space-constrained designs

Disadvantages: - Limited gain bandwidth product compared to some alternatives - Requires external power supply

Working Principles

The INA198AIDBVTG4 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 inputs are buffered by the internal operational amplifiers, providing high input impedance and low output impedance. The gain of the amplifier can be set using external resistors connected to the REF pin.

Detailed Application Field Plans

The INA198AIDBVTG4 is commonly used in various applications, including:

  1. Sensor signal conditioning
  2. Medical instrumentation
  3. Industrial process control
  4. Data acquisition systems
  5. Precision measurement equipment

Detailed and Complete Alternative Models

  1. INA333AIDGKR: Similar functionality with a smaller package (VSSOP-8)
  2. AD8221ARZ: Higher gain bandwidth product (3MHz) but larger package (SOIC-8)
  3. MCP6N11-010E/SN: Lower power consumption (45µA) and rail-to-rail input/output (SOT-23-5)

These alternative models offer similar amplification capabilities and are suitable replacements for the INA198AIDBVTG4 in different design scenarios.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av INA198AIDBVTG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of INA198AIDBVTG4 in technical solutions:

  1. Q: What is the INA198AIDBVTG4? A: The INA198AIDBVTG4 is a high-side current sense amplifier that can accurately measure current flowing through a load.

  2. Q: What is the voltage supply range for the INA198AIDBVTG4? A: The voltage supply range for the INA198AIDBVTG4 is typically between 2.7V and 5.5V.

  3. Q: What is the maximum input common-mode voltage range for the INA198AIDBVTG4? A: The maximum input common-mode voltage range for the INA198AIDBVTG4 is from -0.2V to +26V.

  4. Q: How much gain does the INA198AIDBVTG4 provide? A: The INA198AIDBVTG4 has a fixed gain of 20V/V.

  5. Q: Can the INA198AIDBVTG4 be used for bidirectional current sensing? A: Yes, the INA198AIDBVTG4 can be used for bidirectional current sensing as it supports both positive and negative current flow.

  6. Q: What is the bandwidth of the INA198AIDBVTG4? A: The bandwidth of the INA198AIDBVTG4 is typically 200kHz.

  7. Q: Does the INA198AIDBVTG4 have any built-in protection features? A: Yes, the INA198AIDBVTG4 includes overcurrent and overtemperature protection features to safeguard the device and the load.

  8. Q: Can the INA198AIDBVTG4 be used in high-side or low-side current sensing applications? A: The INA198AIDBVTG4 is specifically designed for high-side current sensing applications.

  9. Q: What is the output voltage range of the INA198AIDBVTG4? A: The output voltage range of the INA198AIDBVTG4 is typically from 0V to Vcc - 1.2V.

  10. Q: Is the INA198AIDBVTG4 available in a small package? A: Yes, the INA198AIDBVTG4 is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

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