LM4040C25ILPRE3

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: High precision, low dropout voltage, low quiescent current
Package: SOT-23-3
Essence: Precision Micropower Shunt Voltage Reference
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Voltage Output: 2.5V
Initial Accuracy: ±0.1%
Temperature Coefficient: ±50ppm/°C
Quiescent Current: 60µA
Dropout Voltage: 200mV
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C25ILPRE3 has three pins in a SOT-23-3 package:

Pin 1: VOUT - Voltage output pin
Pin 2: NC - No connection
Pin 3: GND - Ground pin

Functional Features

High precision voltage reference with low temperature coefficient
Low dropout voltage allows for operation in low voltage systems
Low quiescent current minimizes power consumption
Wide operating temperature range for various applications

Advantages and Disadvantages

Advantages

High accuracy and stability
Low power consumption
Small package size
Wide operating temperature range

Disadvantages

Limited voltage output options
Not suitable for high current applications

Working Principles

The LM4040C25ILPRE3 is a shunt voltage reference that generates a precise and stable output voltage of 2.5V. It utilizes a bandgap voltage reference circuit to achieve high accuracy and low temperature coefficient. The device operates by maintaining a constant voltage drop across a precision resistor, which is used as a shunt element. This voltage drop is then amplified and buffered to provide the desired output voltage.

Detailed Application Field Plans

The LM4040C25ILPRE3 is commonly used in various applications that require a stable and accurate voltage reference. Some of the typical application fields include:

Precision analog-to-digital converters (ADCs)
Digital-to-analog converters (DACs)
Voltage regulators
Battery-powered devices
Portable instrumentation
Industrial control systems

Detailed and Complete Alternative Models

LM4040AIM3-2.5/NOPB
LT1004CZ-2.5#PBF
MAX6126AASA25+
REF3025AIDBZT

These alternative models offer similar functionality and specifications to the LM4040C25ILPRE3 and can be considered as suitable replacements based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4040C25ILPRE3 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM4040C25ILPRE3 in technical solutions:

Q: What is LM4040C25ILPRE3? A: LM4040C25ILPRE3 is a precision voltage reference IC manufactured by Texas Instruments.
Q: What is the output voltage of LM4040C25ILPRE3? A: The output voltage of LM4040C25ILPRE3 is fixed at 2.5 volts.
Q: What is the typical accuracy of LM4040C25ILPRE3? A: The typical accuracy of LM4040C25ILPRE3 is ±0.1%.
Q: Can LM4040C25ILPRE3 be used as a voltage reference for analog-to-digital converters (ADCs)? A: Yes, LM4040C25ILPRE3 can be used as a stable voltage reference for ADCs to ensure accurate conversion.
Q: Is LM4040C25ILPRE3 suitable for battery-powered applications? A: Yes, LM4040C25ILPRE3 has low quiescent current and is suitable for battery-powered applications.
Q: Can LM4040C25ILPRE3 operate over a wide temperature range? A: Yes, LM4040C25ILPRE3 can operate from -40°C to +85°C, making it suitable for various environments.
Q: Does LM4040C25ILPRE3 require an external capacitor for stability? A: No, LM4040C25ILPRE3 does not require an external capacitor for stability. It is internally compensated.
Q: Can LM4040C25ILPRE3 be used in precision measurement equipment? A: Yes, LM4040C25ILPRE3 is commonly used in precision measurement equipment due to its low noise and high accuracy.
Q: What is the maximum current that LM4040C25ILPRE3 can source? A: LM4040C25ILPRE3 can source up to 15 mA of current.
Q: Can LM4040C25ILPRE3 be used in automotive applications? A: Yes, LM4040C25ILPRE3 is qualified for automotive applications and meets the necessary standards.

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