INA204AIDR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA204AIDR is a high-side current shunt monitor IC. It is designed to accurately measure current flowing through a shunt resistor in various applications.

Characteristics: - High accuracy and precision - Wide input voltage range - Low offset voltage and drift - High common-mode rejection ratio - Low power consumption

Package: SOIC (Small Outline Integrated Circuit)

Essence: The INA204AIDR is an essential component for monitoring and controlling current flow in electronic systems. It provides accurate measurements and helps ensure the safe operation of devices.

Packaging/Quantity: The INA204AIDR is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 26V
• Input Common-Mode Voltage Range: -0.3V to V+ + 0.3V
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.5% (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA204AIDR has eight pins arranged as follows:

```

---

| | | U1 | |___________|

Pin Configuration:

  1   2   3   4
 ______________
|              |

|o o o o | | | |____________|

  5   6   7   8

```

1. OUT: Output pin
2. IN+: Positive input pin
3. IN-: Negative input pin
4. REF: Reference voltage pin
5. GND: Ground pin
6. SET: Gain setting pin
7. V+: Positive supply voltage pin
8. NC: No connection

Functional Features

• High-side current sensing
• Wide common-mode voltage range
• Low offset voltage and drift
• Adjustable gain through the SET pin
• Integrated reference voltage source
• Overload detection and indication

Advantages and Disadvantages

Advantages: - High accuracy and precision in current measurement - Wide operating voltage range allows for versatile applications - Low power consumption helps conserve energy - Integrated features simplify circuit design - Overload detection enhances system safety

Disadvantages: - Limited maximum supply voltage of 26V - Requires an external shunt resistor for current sensing - May require additional components for specific applications

Working Principles

The INA204AIDR operates based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. It amplifies this voltage drop and provides an output proportional to the current. The gain can be adjusted using the SET pin, allowing for flexibility in different applications.

Detailed Application Field Plans

The INA204AIDR is widely used in various applications that require accurate current monitoring, such as:

1. Power management systems
2. Battery charging and discharging circuits
3. Motor control systems
4. Solar power systems
5. Industrial automation
6. Automotive electronics
7. Telecommunications equipment

Detailed and Complete Alternative Models

1. INA219: Similar high-side current shunt monitor IC with additional features like bus voltage measurement.
2. MAX4080: High-side current sense amplifier with integrated comparator for overload detection.
3. LTC6101: Precision high-side current sense amplifier with adjustable gain and wide input voltage range.

These alternative models offer similar functionality to the INA204AIDR and can be considered based on specific application requirements.

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