LM4040C20IDBZR

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LM4040C20IDBZR

IC VREF SHUNT 0.5% SOT23-3

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사양

Part Status Active
Reference Type Shunt
Output Type Fixed
Voltage - Output (Min/Fixed) 2.048V
Current - Output 15 mA
Tolerance ±0.5%
Temperature Coefficient 100ppm/°C
Noise - 10Hz to 10kHz 35µVrms
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Base Product Number LM4040
Current - Cathode 80 µA

개요

Description

The LM4040C20IDBZR is a precision voltage reference integrated circuit (IC) from Texas Instruments. It provides a stable reference voltage of 2.0V with high accuracy and low temperature drift, making it ideal for applications requiring reliable voltage references, such as in analog-to-digital converters (ADCs) and voltage regulators.
This IC features a temperature coefficient of 50 ppm/°C, ensuring minimal variation with temperature changes. It operates within a wide supply voltage range and consumes low quiescent current, typically around 20 µA, which is beneficial for battery-powered applications.
The LM4040C20IDBZR is housed in a compact SOT-23 package, facilitating ease of integration into various electronic circuits. It is suitable for both industrial and consumer electronics where precision voltage is critical. The device's low output noise and excellent transient response further enhance its performance, making it a popular choice among engineers for precise voltage reference needs.

Features

The LM4040C20IDBZR is a precision shunt voltage reference from Texas Instruments. Key features include:
1. Voltage Reference: Provides a stable output voltage of 2.0V.
2. High Accuracy: Offers excellent temperature stability and low output drift.
3. Current Regulation: Operates over a wide current range, typically from 1 mA to 10 mA.
4. Low Noise: Designed to minimize noise for more precise applications.
5. Compact Package: Available in a small SOT-23 package, which is suitable for tight PCB layouts.
6. Temperature Range: Operates over a temperature range of -40°C to +125°C.
7. Low Temperature Coefficient: Ensures minimal variation in output voltage with temperature changes.
8. Robustness: Features low dynamic impedance, enhancing performance in various applications.
These features make the LM4040C20IDBZR ideal for applications requiring high accuracy and stability, such as precision measurement systems and automotive electronics.

Package

The LM4040C20IDBZR is packaged in a SOT-23 (Small Outline Transistor) package type. This surface-mount package is compact and suitable for various applications in electronics.

Pinout

The LM4040C20IDBZR is a precision voltage reference with a pin count of 3. It provides a stable output voltage of 2.0V.
Pin Functions:
1. Pin 1 (Reference Output - V_REF): This pin outputs the stable reference voltage, which is 2.0V in this case.
2. Pin 2 (Ground - GND): This pin is connected to the circuit's ground, providing a common reference point.
3. Pin 3 (Input Voltage - V_IN): This pin accepts the input voltage, which should be above the reference output voltage for proper operation.
The LM4040 series is known for its low temperature coefficient and high accuracy, making it suitable for various precision applications.

Manufacturer

The LM4040C20IDBZR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company known for its wide range of products, including analog electronics, embedded processors, and digital signal processors. Founded in 1930, TI has established itself as a leader in the electronics industry, providing innovative solutions for various applications, including automotive, industrial, communications, and consumer electronics. The LM4040 series, including the LM4040C20IDBZR, is a precision voltage reference device used in various electronic circuits for stable voltage reference applications.

Application

The LM4040C20IDBZR is a precision voltage reference commonly used in applications such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and instrumentation systems. It provides a stable reference voltage for calibrating measurement devices, ensuring accuracy in signal processing, and maintaining voltage stability in power supplies. Other applications include automotive systems, industrial control, and portable electronic devices where precise voltage regulation is critical.

Equivalent

The LM4040C20IDBZR is a precision voltage reference. Equivalent products include:
1. TL431 - Adjustable shunt voltage reference.
2. LM4041 - Precision voltage reference with various output voltages.
3. REF3020 - Low dropout voltage reference.
4. LM185 - Bandgap voltage reference.
5. LT1004 - Precision references with low drift.
Always verify specifications for compatibility in your application.

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