Texas Instruments
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
LT1009ILPRE3
Lihat Butiran Helaian data

LT1009ILPRE3

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: High Precision, Low Dropout, Low Noise
  • Package: TO-92
  • Essence: Provides a stable and accurate voltage reference for various electronic applications.
  • Packaging/Quantity: Available in reels of 1000 units.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.4%
  • Temperature Coefficient: 20ppm/°C
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage Range: 4.5V to 40V
  • Dropout Voltage: 300mV
  • Quiescent Current: 1.5mA

Pin Configuration

The LT1009ILPRE3 has a standard three-pin configuration:

  1. VOUT: Output Voltage
  2. VIN: Input Voltage
  3. GND: Ground

Functional Features

  • High precision voltage reference with low initial accuracy and temperature coefficient.
  • Low dropout voltage allows operation with low input voltages.
  • Low noise output ensures minimal interference in sensitive applications.
  • Wide operating temperature range enables usage in extreme environments.
  • Low quiescent current minimizes power consumption.

Advantages

  • Provides a stable and accurate voltage reference for precise measurements and control systems.
  • Suitable for battery-powered devices due to low dropout voltage and quiescent current.
  • Compact TO-92 package allows easy integration into various circuit designs.
  • Wide operating temperature range makes it suitable for industrial applications.

Disadvantages

  • Limited output voltage options (only 2.5V available).
  • Higher initial accuracy and temperature coefficient compared to some alternative models.

Working Principles

The LT1009ILPRE3 is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable voltage reference. The bandgap reference circuit compensates for temperature variations, ensuring accurate output voltage across a wide temperature range.

Application Field Plans

The LT1009ILPRE3 is commonly used in the following applications:

  1. Precision measurement equipment
  2. Data acquisition systems
  3. Voltage regulators
  4. Battery-powered devices
  5. Industrial control systems

Alternative Models

  • LM4040CIM3-2.5/NOPB: 2.5V Precision Shunt Voltage Reference
  • REF102CU: 2.5V Low Dropout Voltage Reference
  • MAX6190AESA+: 2.5V Micropower Voltage Reference

These alternative models offer similar functionality and can be considered as substitutes for the LT1009ILPRE3.

Word count: 305 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LT1009ILPRE3 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LT1009ILPRE3 in technical solutions:

  1. Q: What is LT1009ILPRE3? A: LT1009ILPRE3 is a precision voltage reference IC manufactured by Linear Technology (now part of Analog Devices). It provides a stable and accurate voltage reference for various applications.

  2. Q: What is the voltage output range of LT1009ILPRE3? A: The voltage output range of LT1009ILPRE3 is typically 2.5V with a maximum deviation of ±0.05%.

  3. Q: Can LT1009ILPRE3 be used as a power supply regulator? A: No, LT1009ILPRE3 is not designed to be used as a power supply regulator. Its primary purpose is to provide a stable voltage reference for other components in a circuit.

  4. Q: What is the temperature coefficient of LT1009ILPRE3? A: The temperature coefficient of LT1009ILPRE3 is typically 10ppm/°C, which means its output voltage changes by 10 parts per million for every degree Celsius change in temperature.

  5. Q: How much current can LT1009ILPRE3 source or sink? A: LT1009ILPRE3 can source or sink up to 10mA of current, making it suitable for low-power applications.

  6. Q: Is LT1009ILPRE3 suitable for battery-powered devices? A: Yes, LT1009ILPRE3 is well-suited for battery-powered devices due to its low power consumption and stable voltage output.

  7. Q: Can LT1009ILPRE3 be used in high-precision measurement systems? A: Yes, LT1009ILPRE3 is commonly used in high-precision measurement systems where accurate voltage references are required.

  8. Q: What is the typical input voltage range for LT1009ILPRE3? A: The typical input voltage range for LT1009ILPRE3 is between 4V and 40V.

  9. Q: Does LT1009ILPRE3 require external components for operation? A: Yes, LT1009ILPRE3 requires a few external components such as capacitors for stability and noise filtering.

  10. Q: Can LT1009ILPRE3 operate in harsh environments? A: LT1009ILPRE3 has a wide operating temperature range of -40°C to +125°C, making it suitable for use in various environmental conditions, including harsh environments.

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