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MAX6345LUT+T
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MAX6345LUT+T

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Low Dropout, Precision, Low Quiescent Current
  • Package: SOT-23
  • Essence: High Accuracy Voltage Reference
  • Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

  • Voltage Reference Type: Fixed
  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 200mV
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6345LUT+T has the following pin configuration:

____ VDD| |GND NC | |OUT GND|____|TRIM

Functional Features

  • High accuracy voltage reference with low dropout voltage
  • Provides a stable output voltage of 2.5V
  • Low quiescent current ensures power efficiency
  • Wide operating temperature range for various applications

Advantages and Disadvantages

Advantages

  • Precise and stable output voltage
  • Low dropout voltage allows for efficient operation
  • Low quiescent current minimizes power consumption
  • Small package size (SOT-23) for space-constrained designs

Disadvantages

  • Fixed output voltage may not be suitable for all applications
  • Limited trim capability for fine-tuning the output voltage

Working Principles

The MAX6345LUT+T is a fixed voltage reference IC that generates a precise and stable output voltage of 2.5V. It operates with a low dropout voltage of 200mV, ensuring efficient power utilization. The device features a low quiescent current of 45µA, making it suitable for battery-powered applications.

The IC utilizes an internal bandgap reference to generate the accurate output voltage. It compensates for temperature variations with a temperature coefficient of 50ppm/°C, allowing for reliable performance across a wide temperature range (-40°C to +85°C).

Detailed Application Field Plans

The MAX6345LUT+T is commonly used in various electronic systems that require a stable and precise voltage reference. Some typical application fields include:

  1. Power Management: Voltage references are essential in power management circuits to ensure accurate voltage regulation and stability.
  2. Analog-to-Digital Converters (ADCs): ADCs often require a stable reference voltage for accurate conversion of analog signals.
  3. Sensor Interfaces: Many sensors require a stable voltage reference to provide accurate measurements.
  4. Portable Devices: Battery-powered devices benefit from the low quiescent current and small package size of the MAX6345LUT+T.

Detailed and Complete Alternative Models

  • MAX6350: Fixed 1.25V Voltage Reference
  • MAX6361: Adjustable Voltage Reference with Low Dropout
  • LT1236: Precision Shunt Voltage Reference
  • LM4040: Micropower Shunt Voltage Reference

These alternative models offer different output voltages, adjustable options, or specific features that may better suit certain applications.

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10 سوال و پاسخ رایج مربوط به کاربرد MAX6345LUT+T در راه حل های فنی را فهرست کنید

Sure! Here are 10 common questions and answers related to the application of MAX6345LUT+T in technical solutions:

  1. Q: What is the MAX6345LUT+T? A: The MAX6345LUT+T is a voltage monitor and reset circuit that ensures proper power supply sequencing and provides a reset signal to microcontrollers, DSPs, or other digital ICs.

  2. Q: What is the operating voltage range of the MAX6345LUT+T? A: The MAX6345LUT+T operates within a voltage range of 1.6V to 5.5V.

  3. Q: How does the MAX6345LUT+T monitor the voltage? A: It compares the monitored voltage with a preset threshold voltage and generates a reset signal when the voltage falls below the threshold.

  4. Q: Can I adjust the threshold voltage of the MAX6345LUT+T? A: No, the threshold voltage is fixed at a specific value depending on the part number.

  5. Q: What is the typical reset timeout period of the MAX6345LUT+T? A: The typical reset timeout period is 140ms.

  6. Q: Does the MAX6345LUT+T have an open-drain or push-pull output? A: The MAX6345LUT+T has an open-drain output, which allows for flexibility in interfacing with different microcontrollers or digital ICs.

  7. Q: Can I use the MAX6345LUT+T in battery-powered applications? A: Yes, the low quiescent current and wide operating voltage range make it suitable for battery-powered applications.

  8. Q: Is the MAX6345LUT+T available in different package options? A: Yes, the MAX6345LUT+T is available in a SOT23-3 package.

  9. Q: Can I use the MAX6345LUT+T to monitor multiple voltages simultaneously? A: No, the MAX6345LUT+T is designed to monitor a single voltage source.

  10. Q: Are there any additional features or protections provided by the MAX6345LUT+T? A: Yes, the MAX6345LUT+T includes a power-on reset delay and a manual reset input for additional control and flexibility in system design.

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