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LM4040DIM3X-2.5

Name: LM4040DIM3X-2.5
Rating: 4.7 (12 reviews)

IC VREF SHUNT 1% SOT23-3

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資料表 LM4040DIM3X-2.5 DataSheet
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規格

Part Status	Obsolete
Reference Type	Shunt
Output Type	Fixed
Voltage - Output (Min/Fixed)	2.5V
Current - Output	15 mA
Tolerance	±1%
Temperature Coefficient	150ppm/°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	70 µA

概述

Description

The LM4040DIM3X-2.5 is a precision voltage reference IC designed to provide a stable output voltage of 2.5V with a low temperature coefficient. It features a low noise operation and a wide input voltage range, making it suitable for various applications in analog circuitry, including instrumentation, data acquisition, and sensor interfaces.
Key specifications include an initial accuracy of ±0.5%, a temperature coefficient of 15 ppm/°C, and a maximum output current of 20 mA. The device is housed in a 3-terminal SOT-23 package, facilitating easy integration into compact designs.
The LM4040 includes features such as low dropout voltage, making it efficient for battery-operated devices. It is also known for its robustness against load and line variations, ensuring reliable performance.
Overall, the LM4040DIM3X-2.5 is ideal for applications requiring high precision and stability in voltage references, contributing to improved system accuracy and performance.

Features

The LM4040DIM3X-2.5 is a precision voltage reference from Texas Instruments, designed to provide a stable output voltage of 2.5V. Key features include:
1. Low Temperature Coefficient: Offers a typical temperature coefficient of 10 ppm/°C, ensuring minimal drift with temperature changes.
2. High Accuracy: Provides an initial output voltage accuracy of ±0.5% (max), ensuring reliable performance in precision applications.
3. Low Noise: Features low noise performance, making it suitable for sensitive electronic circuits.
4. Wide Operating Range: Operates over a temperature range of -40°C to +125°C, suitable for various applications including automotive and industrial.
5. Output Impedance: Exhibits low output impedance, aiding in stable performance even under varying load conditions.
6. Compact Package: Available in a SOT-23 package, facilitating space-efficient designs.
The LM4040 is ideal for use in data acquisition systems, automotive applications, and as a reference in analog circuits.

Package

The LM4040DIM3X-2.5 is packaged in a surface-mount SOIC-8 (Small Outline Integrated Circuit) package, which is a compact, 8-lead form factor suitable for various applications in electronic circuits.

Pinout

The LM4040DIM3X-2.5 is a precision shunt voltage reference with a pin count of 3.
Pin Functions:
1. Pin 1 (Anode): This is the input pin where the supply voltage is connected. It is typically connected to a voltage higher than the reference output voltage.
2. Pin 2 (Cathode): This pin provides the output voltage reference (2.5V in this case). It can be connected to the load that requires the stable reference voltage.
3. Pin 3 (N.C.): This pin is not connected and is generally left open.
The LM4040 offers low output noise and good temperature stability, making it suitable for precision applications.

Manufacturer

The LM4040DIM3X-2.5 is manufactured by Texas Instruments (TI), a globally recognized technology company headquartered in Dallas, Texas. Founded in 1930, Texas Instruments is known for its development and production of semiconductors and various electronic components. The company is a leader in analog and embedded processing technologies, offering a wide range of products including integrated circuits (ICs), microcontrollers, and sensors. TI serves various industries, including automotive, industrial, communications, and consumer electronics, focusing on innovation and sustainability in its product offerings.

Application

The LM4040DIM3X-2.5 is a precision voltage reference used in various applications, including power supplies, data acquisition systems, instrumentation, and analog-to-digital converters. It provides a stable 2.5V reference voltage for calibration and precise voltage regulation. Its low temperature coefficient and minimal noise make it suitable for high-accuracy measurements in testing and industrial automation.

Equivalent

Equivalent products to the LM4040DIM3X-2.5 voltage reference chip include the LM4040AIZ-2.5, TL431 (as an adjustable reference), and LT1009. Additionally, the REF192 and AD580 series can also serve as alternatives, depending on specific application requirements. Always verify specifications for compatibility.