INA330AIDGST

Product Overview

Category: Integrated Circuit (IC)

Use: The INA330AIDGST is a precision current-sensing amplifier designed for use in various applications that require accurate measurement of current. It provides high accuracy and low drift over a wide temperature range, making it suitable for both industrial and consumer electronics.

Characteristics: - High accuracy and low offset voltage - Low quiescent current consumption - Wide supply voltage range - Temperature stability - Small package size

Package: The INA330AIDGST is available in a small SOT-23-6 package, which is ideal for space-constrained applications.

Essence: The essence of the INA330AIDGST lies in its ability to accurately measure current with high precision and stability, enabling reliable performance in various electronic systems.

Packaging/Quantity: The INA330AIDGST is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 50µA (typical)
• Gain Error: ±0.25% (maximum)
• Offset Voltage: ±100µV (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA330AIDGST has six pins arranged as follows:

```

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| | --| V+ OUT |-- --| GND REF |-- --| VIN+ SET |-- --| VIN- NC |-- --| NC NC |-- |___________| ```

1. V+: Positive supply voltage pin.
2. OUT: Output pin for the amplified current signal.
3. GND: Ground reference pin.
4. REF: Reference voltage input pin.
5. VIN+: Positive current sense input pin.
6. SET: Gain setting pin.
7. VIN-: Negative current sense input pin (not internally connected).
8. NC: Not connected pins.

Functional Features

• High accuracy current sensing
• Low offset voltage for precise measurements
• Wide supply voltage range allows flexibility in system design
• Low quiescent current consumption for power efficiency
• Temperature stability ensures reliable performance across varying environmental conditions

Advantages and Disadvantages

Advantages: - High accuracy and precision - Low power consumption - Wide operating temperature range - Small package size for space-constrained applications

Disadvantages: - Limited number of pins for additional functionalities - Requires external components for proper operation

Working Principles

The INA330AIDGST operates based on the principle of amplifying the voltage drop across a shunt resistor to accurately measure current. It utilizes a precision amplifier with low offset voltage and high gain to amplify the small voltage signal generated across the shunt resistor. The amplified signal is then outputted through the OUT pin for further processing or measurement.

Detailed Application Field Plans

The INA330AIDGST finds applications in various fields, including but not limited to:

1. Power management systems
2. Battery monitoring and protection circuits
3. Motor control systems
4. Industrial automation
5. Energy monitoring and metering
6. Current sensing in consumer electronics

Detailed and Complete Alternative Models

1. INA219: Similar current-sensing amplifier with higher accuracy and additional features such as bus voltage measurement.
2. MAX4080S: Precision current-sense amplifier with wide supply voltage range and low quiescent current.
3. LTC6101: High-side current sense amplifier with adjustable gain and wide input voltage range.

These alternative models offer similar functionality to the INA330AIDGST and can be considered based on specific application requirements.

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