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MAX4712EPE

MAX4712EPE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Current Sense Amplifier
  • Characteristics:
    • High accuracy current sensing
    • Wide input voltage range
    • Low offset voltage and low quiescent current
    • Small package size
  • Package: 16-pin plastic DIP (Dual In-line Package)
  • Essence: The MAX4712EPE is a current sense amplifier designed for accurate measurement of current in various applications.
  • Packaging/Quantity: Tube packaging, 25 pieces per tube.

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Input Common Mode Voltage Range: -0.1V to VDD + 0.1V
  • Quiescent Current: 60µA (typical)
  • Gain Error: ±0.5% (maximum)
  • Offset Voltage: ±100µV (maximum)
  • Bandwidth: 500kHz (typical)

Pin Configuration

The MAX4712EPE has the following pin configuration:

```


| | --| VDD | --| IN+ | --| IN- | --| OUT | --| GND | --| REF | --| SET | --| ADJ | --| NC | --| NC | --| NC | --| NC | --| NC | --| NC | |___________| ```

Functional Features

  • Accurate current sensing: The MAX4712EPE provides high accuracy in measuring current, making it suitable for precise current monitoring applications.
  • Wide input voltage range: It can operate with a wide range of input voltages, allowing flexibility in different circuit designs.
  • Low offset voltage and quiescent current: The device exhibits low offset voltage and quiescent current, minimizing errors and power consumption.
  • Small package size: The 16-pin plastic DIP package offers a compact form factor, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High accuracy current sensing - Wide input voltage range - Low offset voltage and quiescent current - Compact package size

Disadvantages: - Limited pin configuration options - Not suitable for high-frequency applications

Working Principles

The MAX4712EPE operates based on the principle of current sensing amplification. It measures the voltage drop across a sense resistor connected in series with the load current. This voltage is amplified and converted into a proportional output voltage. By accurately measuring this output voltage, the device provides an indication of the current flowing through the load.

Detailed Application Field Plans

The MAX4712EPE can be used in various applications, including but not limited to:

  1. Battery management systems
  2. Power supplies and converters
  3. Motor control circuits
  4. Current monitoring in industrial equipment
  5. Overcurrent protection circuits

Detailed and Complete Alternative Models

  1. INA219: Current shunt monitor with I2C interface
  2. ACS712: Hall effect-based linear current sensor
  3. LT6105: Precision high-side current sense amplifier
  4. AD8210: High common-mode voltage current shunt monitor

These alternative models offer similar functionality and can be considered as alternatives to the MAX4712EPE depending on specific application requirements.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui MAX4712EPE în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of MAX4712EPE in technical solutions:

  1. Q: What is the MAX4712EPE? A: The MAX4712EPE is a precision, high-side current-sense amplifier with an integrated shunt resistor.

  2. Q: What is the purpose of the MAX4712EPE? A: The MAX4712EPE is used to measure and monitor current flowing through a load in various technical applications.

  3. Q: What is the maximum current that can be measured using the MAX4712EPE? A: The MAX4712EPE can measure currents up to ±3A.

  4. Q: How accurate is the MAX4712EPE in measuring current? A: The MAX4712EPE has a typical accuracy of ±0.5% of the measured current.

  5. Q: Can the MAX4712EPE be used in both AC and DC applications? A: Yes, the MAX4712EPE can be used in both AC and DC applications.

  6. Q: Does the MAX4712EPE require an external power supply? A: Yes, the MAX4712EPE requires a single positive power supply between 2.7V and 28V.

  7. Q: Can the MAX4712EPE be used in high-voltage applications? A: No, the MAX4712EPE is not suitable for high-voltage applications as it has a maximum operating voltage of 28V.

  8. Q: What is the output voltage range of the MAX4712EPE? A: The output voltage range of the MAX4712EPE is typically 0V to VCC-1.2V.

  9. Q: Can the MAX4712EPE be used in automotive applications? A: Yes, the MAX4712EPE is suitable for automotive applications as it can operate over a wide temperature range (-40°C to +125°C).

  10. Q: Are there any additional features of the MAX4712EPE? A: Yes, the MAX4712EPE includes an enable pin for power savings and a fault flag output for overcurrent detection.

Please note that these answers are general and may vary depending on the specific application and requirements.