INA285AIDGKR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA285AIDGKR is a high-precision, low-power, bidirectional current sense amplifier. It is designed for use in various applications where accurate current measurements are required.

Characteristics: - High precision: The INA285AIDGKR offers a high level of accuracy in measuring current, making it suitable for applications that demand precise current sensing. - Low power consumption: This IC is designed to operate with minimal power consumption, making it energy-efficient and suitable for battery-powered devices. - Bidirectional current sensing: The INA285AIDGKR can measure both positive and negative currents, allowing for versatile usage in applications that require bidirectional current monitoring. - Small package size: The IC comes in a small form factor package, enabling its integration into space-constrained designs. - Essence: The INA285AIDGKR provides an essential solution for accurate and efficient current sensing in a compact package.

Packaging/Quantity: The INA285AIDGKR is available in a surface-mount package (DGK) and is typically sold in reels or tubes containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.3V to V+ + 0.3V
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.25% (maximum)
• Bandwidth: 350kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA285AIDGKR has the following pin configuration:

1. V+
2. OUT
3. REF
4. IN-
5. IN+
6. SET
7. GND

Functional Features

• High gain accuracy: The INA285AIDGKR provides precise current measurements with a low gain error, ensuring accurate monitoring of current flow.
• Wide input common-mode voltage range: It allows for flexible usage in applications where the input voltage can vary within a wide range.
• Low quiescent current: The IC consumes minimal current when not actively sensing, reducing power consumption and extending battery life.
• Fast response time: The amplifier has a high bandwidth, enabling it to capture rapid changes in current accurately.
• Built-in reference voltage: The INA285AIDGKR includes an internal reference voltage, simplifying the design and calibration process.

Advantages and Disadvantages

Advantages: - High precision current sensing - Low power consumption - Bidirectional current measurement capability - Compact package size - Integrated reference voltage

Disadvantages: - Limited bandwidth compared to some specialized current sense amplifiers - Requires external resistors for setting gain and output voltage levels

Working Principles

The INA285AIDGKR operates based on the principle of measuring the voltage drop across a shunt resistor placed in series with the current path. It amplifies this voltage drop and provides an output proportional to the sensed current. By carefully selecting the gain and configuring the reference voltage, the IC enables accurate current measurements.

Detailed Application Field Plans

The INA285AIDGKR finds applications in various fields, including but not limited to: 1. Battery management systems 2. Power supply monitoring 3. Motor control systems 4. Solar energy harvesting 5. Industrial automation 6. Automotive electronics

Detailed and Complete Alternative Models

1. INA180AIDBVR
2. INA282AIDR
3. INA286AIDGKT
4. INA210AIDCKT
5. INA213AIDCKT

These alternative models offer similar functionality and can be considered as substitutes for the INA285AIDGKR in different applications.

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