MAX4719EUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High accuracy, low power consumption, small package size
• Package: 10 µMAX®
• Essence: Measures and amplifies current signals for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common Mode Voltage Range: -0.1V to +28V
• Output Voltage Swing: 0V to VCC - 1.2V
• Gain Bandwidth Product: 500kHz
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4719EUB+T has the following pin configuration:

```

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| | --| IN- OUT+ |-- --| IN+ GND |-- --| REF VCC |-- --| SET OUT- |-- |_______________| ```

Functional Features

• High Accuracy: The MAX4719EUB+T provides precise current measurement with a gain error of only ±0.5%.
• Low Power Consumption: With a quiescent current of only 40µA, it minimizes power consumption in battery-powered applications.
• Small Package Size: The 10 µMAX® package allows for space-efficient integration into compact designs.

Advantages and Disadvantages

Advantages: - High accuracy ensures reliable current measurements. - Low power consumption prolongs battery life. - Small package size enables integration in space-constrained applications.

Disadvantages: - Limited input common mode voltage range (-0.1V to +28V). - Output voltage swing is limited to 0V to VCC - 1.2V.

Working Principles

The MAX4719EUB+T is a current sense amplifier that measures and amplifies current signals. It utilizes a precision resistor in series with the load to measure the current passing through it. The amplified output voltage is proportional to the input current, allowing for accurate current measurements.

Detailed Application Field Plans

The MAX4719EUB+T finds applications in various fields, including:

1. Power Management: Current monitoring in power supplies, battery chargers, and DC-DC converters.
2. Motor Control: Current sensing in motor control circuits for precise speed and torque control.
3. Automotive Electronics: Current measurement in automotive systems such as electric vehicles, hybrid vehicles, and engine control units.
4. Industrial Automation: Current monitoring in industrial equipment, robotics, and process control systems.
5. Consumer Electronics: Current sensing in portable devices, audio amplifiers, and LED lighting systems.

Detailed and Complete Alternative Models

1. INA219: High-side current shunt and power monitor with I2C interface.
2. ACS712: Hall effect-based linear current sensor with analog output.
3. LT6105: Precision high-side current sense amplifier with adjustable gain.
4. AD8210: Wide bandwidth, bidirectional current shunt monitor with voltage output.
5. MAX4080: Precision, high-side current-sense amplifier with integrated comparator.

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

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