MAX4711ESE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High accuracy, low power consumption, small package size
• Package: 16-pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: The MAX4711ESE is a current sense amplifier designed for precision measurement of current in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common Mode Voltage Range: -0.3V to VDD + 0.3V
• Quiescent Current: 40µA (typical)
• Gain Error: ±0.5% (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4711ESE has a total of 16 pins arranged as follows:

1. IN+
2. IN-
3. GND
4. REF
5. OUT
6. SET
7. NC
8. NC
9. NC
10. NC
11. NC
12. NC
13. NC
14. VDD
15. NC
16. NC

Functional Features

• High Accuracy: The MAX4711ESE provides precise current measurement with a gain error of only ±0.5%.
• Low Power Consumption: With a quiescent current of just 40µA, it minimizes power consumption in battery-powered applications.
• Small Package Size: The 16-pin Narrow SOIC package allows for space-efficient integration into compact designs.
• Wide Supply Voltage Range: It operates from 2.7V to 5.5V, making it suitable for a variety of power supply configurations.

Advantages and Disadvantages

Advantages

• High accuracy current sensing
• Low power consumption
• Small package size
• Wide supply voltage range

Disadvantages

• Limited pin configuration options
• Not suitable for high current applications

Working Principles

The MAX4711ESE utilizes a precision current-sensing resistor connected in series with the load to measure the current. The voltage drop across this resistor is amplified by the internal operational amplifier, providing an output voltage proportional to the input current. This amplified voltage can be further processed or monitored as required.

Detailed Application Field Plans

The MAX4711ESE finds applications in various fields where accurate current measurement is essential. Some potential application areas include:

1. Battery Management Systems: Monitoring battery charging and discharging currents.
2. Power Supplies: Current monitoring in DC-DC converters, linear regulators, and switch-mode power supplies.
3. Motor Control: Current sensing in motor control circuits for precise speed and torque control.
4. Industrial Automation: Current monitoring in industrial equipment and machinery for fault detection and protection.
5. Automotive Electronics: Current measurement in automotive systems such as electric vehicles, hybrid vehicles, and engine control units.

Detailed and Complete Alternative Models

1. INA219: A 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: High common-mode voltage difference amplifier for current sensing applications.
5. MAX4080: Precision high-side current-sense amplifier with integrated comparator.

These alternative models offer similar functionality to the MAX4711ESE and can be considered based on specific requirements and design constraints.

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