Texas Instruments
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TL4051A12QDBZT
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TL4051A12QDBZT

Product Overview

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

Specifications

  • Voltage Reference Type: Shunt
  • Output Voltage: 1.225V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: ±50ppm/°C
  • Quiescent Current: 45µA
  • Dropout Voltage: 200mV
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TL4051A12QDBZT has three pins:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. VOUT: Output voltage

Functional Features

  • Provides a stable and accurate reference voltage
  • Low dropout voltage allows for efficient operation
  • Low quiescent current minimizes power consumption
  • High accuracy ensures precise voltage regulation

Advantages

  • Small package size enables space-saving designs
  • Wide operating temperature range suits various environments
  • Excellent initial accuracy guarantees reliable performance
  • Low temperature coefficient ensures stability over temperature variations

Disadvantages

  • Limited output voltage options (only 1.225V in this model)
  • Relatively high dropout voltage compared to some alternatives

Working Principles

The TL4051A12QDBZT is a shunt voltage reference that utilizes a precision bandgap core to generate a stable output voltage of 1.225V. It operates by comparing the reference voltage to an external resistor network, providing a precise and stable reference for other circuitry.

Detailed Application Field Plans

The TL4051A12QDBZT is commonly used in applications that require accurate voltage references, such as:

  1. Power management systems
  2. Analog-to-digital converters (ADCs)
  3. Data acquisition systems
  4. Battery-powered devices
  5. Precision instrumentation

Detailed and Complete Alternative Models

  1. TL431: Adjustable precision shunt regulator with a wide voltage range.
  2. LM4040: Micropower precision shunt voltage reference with various output voltage options.
  3. REF5025: High-precision voltage reference with low temperature drift.

These alternative models offer similar functionality and can be considered based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TL4051A12QDBZT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TL4051A12QDBZT in technical solutions:

1. What is TL4051A12QDBZT? - TL4051A12QDBZT is a precision voltage reference IC that provides a stable 1.2V output voltage.

2. What is the typical application of TL4051A12QDBZT? - TL4051A12QDBZT is commonly used as a voltage reference in various electronic circuits, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and voltage regulators.

3. What is the voltage accuracy of TL4051A12QDBZT? - The voltage accuracy of TL4051A12QDBZT is typically ±0.5%.

4. What is the operating temperature range of TL4051A12QDBZT? - TL4051A12QDBZT can operate within a temperature range of -40°C to +125°C.

5. What is the maximum current that TL4051A12QDBZT can source or sink? - TL4051A12QDBZT can source or sink up to 15mA of current.

6. Can TL4051A12QDBZT be used in battery-powered applications? - Yes, TL4051A12QDBZT can be used in battery-powered applications as it has low quiescent current consumption.

7. Does TL4051A12QDBZT require an external capacitor for stability? - Yes, TL4051A12QDBZT requires an external capacitor connected between the REF pin and GND for stability. A typical value is 0.1µF.

8. Can TL4051A12QDBZT tolerate reverse polarity? - No, TL4051A12QDBZT is not designed to tolerate reverse polarity. Reverse voltage can damage the IC.

9. Is TL4051A12QDBZT available in different package options? - Yes, TL4051A12QDBZT is available in various package options, such as SOT-23 and SC-70.

10. Can TL4051A12QDBZT be used as a voltage reference for precision measurements? - Yes, TL4051A12QDBZT can be used as a voltage reference for precision measurements due to its low temperature coefficient and high accuracy.

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