Texas Instruments
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LM4040A82IDBZTG4
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LM4040A82IDBZTG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics:
    • High precision
    • Low temperature coefficient
    • Low dropout voltage
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: Precision Micropower Shunt Voltage Reference
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Voltage Output: 1.225V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 50ppm/°C
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage Range: 2.7V to 10V
  • Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040A82IDBZTG4 has three pins:

  1. VOUT: Voltage output pin
  2. GND: Ground reference pin
  3. VIN: Supply voltage input pin

Functional Features

  • High precision voltage reference
  • Stable output voltage over a wide temperature range
  • Low power consumption
  • Low dropout voltage for efficient operation
  • Excellent line and load regulation
  • Short-circuit current limiting

Advantages

  • High accuracy and stability
  • Low temperature coefficient ensures reliable performance across varying temperatures
  • Low power consumption extends battery life in portable devices
  • Small package size allows for space-saving designs
  • Easy to integrate into various electronic circuits

Disadvantages

  • Limited voltage output options (only 1.225V)
  • Not suitable for applications requiring higher voltage references

Working Principles

The LM4040A82IDBZTG4 is a precision micropower shunt voltage reference. It operates by maintaining a constant voltage drop across its terminals, regardless of changes in the supply voltage or load conditions. This ensures a stable and accurate output voltage.

Detailed Application Field Plans

The LM4040A82IDBZTG4 is commonly used in various applications, including:

  1. Precision analog-to-digital converters (ADCs)
  2. Digital-to-analog converters (DACs)
  3. Voltage regulators
  4. Battery-powered devices
  5. Portable electronic equipment
  6. Industrial control systems
  7. Test and measurement instruments

Detailed and Complete Alternative Models

  • LM4040A25IDBZT: 2.5V precision micropower shunt voltage reference
  • LM4040CIZ-10.0/NOPB: 10.0V precision micropower shunt voltage reference
  • LM4040DIM3-2.5/NOPB: 2.5V precision micropower shunt voltage reference in SOT-23 package
  • LM4040DIZ-5.0/NOPB: 5.0V precision micropower shunt voltage reference in TO-92 package

These alternative models offer different voltage outputs and package options to suit specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4040A82IDBZTG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM4040A82IDBZTG4 in technical solutions:

  1. Q: What is LM4040A82IDBZTG4? A: LM4040A82IDBZTG4 is a precision voltage reference IC manufactured by Texas Instruments.

  2. Q: What is the output voltage of LM4040A82IDBZTG4? A: The output voltage of LM4040A82IDBZTG4 is fixed at 8.2 volts.

  3. Q: What is the typical accuracy of LM4040A82IDBZTG4? A: The typical accuracy of LM4040A82IDBZTG4 is ±0.1%.

  4. Q: Can LM4040A82IDBZTG4 be used as a voltage reference in analog-to-digital converters (ADCs)? A: Yes, LM4040A82IDBZTG4 can be used as a stable voltage reference for ADCs.

  5. Q: Is LM4040A82IDBZTG4 suitable for battery-powered applications? A: Yes, LM4040A82IDBZTG4 is suitable for battery-powered applications due to its low quiescent current.

  6. Q: Can LM4040A82IDBZTG4 operate over a wide temperature range? A: Yes, LM4040A82IDBZTG4 can operate from -40°C to +125°C.

  7. Q: Does LM4040A82IDBZTG4 require an external capacitor for stability? A: No, LM4040A82IDBZTG4 does not require an external capacitor for stability.

  8. Q: What is the maximum current that LM4040A82IDBZTG4 can source? A: LM4040A82IDBZTG4 can source up to 15 mA of current.

  9. Q: Can LM4040A82IDBZTG4 be used in precision measurement applications? A: Yes, LM4040A82IDBZTG4 is suitable for precision measurement applications due to its low temperature coefficient.

  10. Q: Is LM4040A82IDBZTG4 available in a surface-mount package? A: Yes, LM4040A82IDBZTG4 is available in a SOT-23 surface-mount package.

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