MAX4376TASA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics:
  • High accuracy and precision
  • Low offset voltage and low input bias current
  • Wide supply voltage range
  • Small package size
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: The MAX4376TASA is a current sense amplifier designed for accurate measurement of small currents 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: -0.1V to +65V
• Gain Bandwidth Product: 500kHz
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX4376TASA has the following pin configuration:

```

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| | --| V+ OUT |-- --| IN- GND |-- --| IN+ REF |-- --| SET V- |-- |___________| ```

Functional Features

• Accurate Current Sensing: The MAX4376TASA provides precise measurement of small currents with high accuracy.
• Low Offset Voltage: The amplifier has a low offset voltage, minimizing errors in current measurements.
• Wide Supply Voltage Range: It operates over a wide range of supply voltages, making it suitable for various applications.
• Small Package Size: The TSSOP package allows for space-efficient integration into compact designs.

Advantages and Disadvantages

Advantages: - High accuracy and precision in current sensing - Low offset voltage reduces measurement errors - Wide supply voltage range enhances versatility - Small package size enables compact designs

Disadvantages: - Limited gain bandwidth product may restrict use in high-frequency applications - Input common mode voltage range may not be suitable for all applications

Working Principles

The MAX4376TASA is based on a differential amplifier architecture. It amplifies the voltage difference between the IN+ and IN- pins, which are connected to the current sensing resistor. The amplified output voltage is then available at the OUT pin, providing an accurate representation of the sensed current.

Detailed Application Field Plans

The MAX4376TASA is commonly used in various applications that require precise current measurements, such as:

1. Battery Management Systems: Monitoring and controlling battery charging and discharging currents.
2. Power Supplies: Ensuring accurate current regulation and protection.
3. Motor Control: Monitoring motor currents for feedback control and fault detection.
4. Industrial Automation: Current monitoring in process control systems and equipment.
5. Automotive Electronics: Current sensing in automotive systems like electric vehicles and hybrid cars.

Detailed and Complete Alternative Models

1. INA219: High-side current sense amplifier with I2C interface.
2. LT6105: Precision current sense amplifier with adjustable gain.
3. AD8210: High common-mode voltage current shunt monitor.
4. LTC6101: High-side current sense amplifier with wide input voltage range.

These alternative models offer similar functionality and can be considered as alternatives to the MAX4376TASA depending on specific requirements.

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