INA300AIDGSR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA300AIDGSR is a high-side current sense amplifier designed for precision current measurement in various applications.

Characteristics: - High accuracy and precision - Wide input voltage range - Low offset voltage - Low quiescent current - High common-mode rejection ratio

Package: The INA300AIDGSR is available in a small SOT-23 package, which is suitable for space-constrained designs.

Essence: The essence of the INA300AIDGSR lies in its ability to accurately measure current in high-side configurations, providing valuable information for monitoring and control purposes.

Packaging/Quantity: The INA300AIDGSR is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 18V
• Input Common-Mode Voltage Range: -0.3V to V+ + 0.3V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 500kHz (typical)
• Offset Voltage: 100µV (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA300AIDGSR features a total of six pins:

1. V+ (Supply Voltage)
2. IN+ (Positive Current Sense Input)
3. IN- (Negative Current Sense Input)
4. REF (Reference Voltage)
5. OUT (Output)
6. GND (Ground)

Functional Features

• High-Side Current Sensing: The INA300AIDGSR enables accurate measurement of current on the high side of the load, allowing for precise monitoring and control.
• Wide Input Voltage Range: With a supply voltage range of 2.7V to 18V, the INA300AIDGSR can be used in a variety of applications.
• Low Offset Voltage: The amplifier exhibits low offset voltage, minimizing measurement errors.
• Low Quiescent Current: The device operates with low quiescent current, reducing power consumption.
• High Common-Mode Rejection Ratio: The INA300AIDGSR provides excellent rejection of common-mode noise, ensuring accurate current measurements.

Advantages and Disadvantages

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

Disadvantages: - Limited gain bandwidth product (500kHz)

Working Principles

The INA300AIDGSR utilizes a high-side current sensing technique. It measures the voltage drop across a shunt resistor placed in series with the load. The differential voltage is amplified by the internal operational amplifier, providing an output proportional to the load current. The device compensates for common-mode voltage variations, ensuring accurate current measurements.

Detailed Application Field Plans

The INA300AIDGSR finds applications in various fields, including but not limited to: 1. Power management systems 2. Battery monitoring and protection 3. Motor control systems 4. Industrial automation 5. Solar energy systems 6. Automotive electronics

Detailed and Complete Alternative Models

1. INA301AIDGSR
2. INA302AIDGSR
3. INA303AIDGSR
4. INA304AIDGSR
5. INA305AIDGSR

These alternative models offer similar functionality and performance characteristics to the INA300AIDGSR, providing flexibility for different design requirements.

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