AMC1100DUBR

Product Overview

Category: Integrated Circuit (IC)

Use: The AMC1100DUBR is a high-performance isolation amplifier designed for precision current sensing in industrial applications. It provides accurate and reliable measurements of current while ensuring electrical isolation between the input and output.

Characteristics: - High accuracy - Wide bandwidth - Low power consumption - Small package size - Robust isolation capabilities

Package: The AMC1100DUBR comes in a small, surface-mount SOIC-8 package, which allows for easy integration into various circuit designs.

Essence: The essence of the AMC1100DUBR lies in its ability to accurately measure current while maintaining electrical isolation, making it an essential component in industrial systems that require precise current monitoring.

Packaging/Quantity: The AMC1100DUBR is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Input Current Range: ±50 mA
• Gain Error: ±0.3%
• Bandwidth: 80 kHz
• Isolation Voltage: 4 kV
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AMC1100DUBR has a total of 8 pins arranged as follows:

1. VDD: Power supply pin
2. GND: Ground pin
3. IN+: Positive input pin
4. IN-: Negative input pin
5. VREF: Reference voltage pin
6. OUT: Output pin
7. NC: No connection pin
8. VDD_ISO: Isolated power supply pin

Functional Features

• High linearity and accuracy in current measurement
• Excellent common-mode rejection ratio (CMRR)
• Low offset voltage and drift
• High voltage isolation for enhanced safety
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - Accurate and reliable current sensing - Electrical isolation for improved safety - Wide operating temperature range - Small package size for space-constrained applications - Low power consumption

Disadvantages: - Limited input current range - Relatively high cost compared to non-isolated amplifiers

Working Principles

The AMC1100DUBR utilizes a precision amplifier and an isolation barrier to measure the voltage across a shunt resistor, which is proportional to the current being sensed. The isolated amplifier ensures that there is no direct electrical connection between the input and output, providing galvanic isolation and protecting sensitive circuitry from potential voltage spikes or ground loops.

Detailed Application Field Plans

The AMC1100DUBR finds extensive use in various industrial applications, including:

1. Motor control systems
2. Power inverters
3. Battery management systems
4. Solar inverters
5. Industrial automation
6. Current monitoring in power distribution systems

Its high accuracy, wide bandwidth, and robust isolation capabilities make it suitable for demanding environments where precise current measurements are crucial.

Alternative Models

For those seeking alternative options, the following models can be considered:

1. AMC1200DUBR: Similar to the AMC1100DUBR but with higher input current range.
2. AMC1300DUBR: Provides isolated current sensing with integrated voltage regulation.
3. ISO124P: Isolation amplifier with similar functionality but different pin configuration.

These alternatives offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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