Maxim Integrated
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MAX6138AEXR33+T
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MAX6138AEXR33+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: High precision, low dropout voltage, low noise
  • Package: 6-pin SOT23
  • Essence: Provides a stable and accurate voltage reference for various electronic applications
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

  • Output Voltage: 3.3V
  • Initial Accuracy: ±0.2%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 200mV at 10mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6138AEXR33+T has the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. NC: No Connection
  4. SHDN: Shutdown Control Input
  5. BYP: Bypass Capacitor Connection
  6. VIN: Input Voltage

Functional Features

  • High precision output voltage
  • Low dropout voltage allows operation with low input voltages
  • Low noise ensures minimal interference in sensitive applications
  • Shutdown control input for power-saving mode
  • Bypass capacitor connection for improved stability

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage enables efficient operation - Low noise output for noise-sensitive applications - Shutdown control for power-saving purposes

Disadvantages: - Limited output voltage options - Relatively high initial cost compared to other voltage references

Working Principles

The MAX6138AEXR33+T is a precision voltage reference that generates a stable output voltage of 3.3V. It utilizes a bandgap voltage reference circuit to achieve high accuracy and stability. The device operates with low dropout voltage, allowing it to function even with low input voltages. It also incorporates noise reduction techniques to minimize interference in sensitive electronic systems. The shutdown control input enables power-saving mode when the reference voltage is not required.

Detailed Application Field Plans

The MAX6138AEXR33+T is widely used in various electronic applications that require a stable and accurate voltage reference. Some common application fields include:

  1. Analog-to-Digital Converters (ADCs)
  2. Digital-to-Analog Converters (DACs)
  3. Voltage regulators
  4. Precision instrumentation
  5. Battery-powered devices
  6. Sensor interfaces
  7. Communication systems

Detailed and Complete Alternative Models

  • MAX6139AEXR30+T: 3.0V output voltage reference with similar specifications
  • MAX6143AASA41+: 4.096V output voltage reference with extended temperature range
  • LT6654BHS6-2.5#PBF: 2.5V output voltage reference with ultra-low noise performance

These alternative models offer different output voltage options and may have additional features suitable for specific applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MAX6138AEXR33+T i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MAX6138AEXR33+T in technical solutions:

  1. Q: What is the MAX6138AEXR33+T? A: The MAX6138AEXR33+T is a low-dropout (LDO) voltage regulator IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for the MAX6138AEXR33+T? A: The input voltage range for this LDO regulator is typically between 2.5V and 6.5V.

  3. Q: What is the maximum output current of the MAX6138AEXR33+T? A: The maximum output current is 150mA, which means it can supply up to 150mA of current to the load.

  4. Q: How does the dropout voltage affect the performance of the MAX6138AEXR33+T? A: The dropout voltage is the minimum voltage difference between the input and output required for the regulator to maintain regulation. Lower dropout voltage allows for better performance in low input voltage conditions.

  5. Q: Can the MAX6138AEXR33+T be used in battery-powered applications? A: Yes, the low dropout voltage and low quiescent current make it suitable for battery-powered applications where efficiency and power conservation are important.

  6. Q: Does the MAX6138AEXR33+T have built-in thermal protection? A: Yes, it has built-in thermal shutdown protection that prevents the IC from overheating under excessive load or high ambient temperature conditions.

  7. Q: Is the MAX6138AEXR33+T stable with ceramic capacitors? A: Yes, it is designed to be stable with ceramic output capacitors, which makes it easier to design and reduces the overall cost of the solution.

  8. Q: Can the MAX6138AEXR33+T be used in automotive applications? A: Yes, it is suitable for automotive applications as it meets the AEC-Q100 standard for reliability and quality.

  9. Q: What is the typical quiescent current of the MAX6138AEXR33+T? A: The typical quiescent current is very low, typically around 40µA, which helps conserve power in battery-operated devices.

  10. Q: Does the MAX6138AEXR33+T require any external components for operation? A: Yes, it requires a minimum of two external capacitors - an input capacitor and an output capacitor - for stability and proper operation.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.