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LM4040D25FTA

Name: LM4040D25FTA
Rating: 4.7 (12 reviews)

IC VREF SHUNT 1% SOT23

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資料表 LM4040D25FTA DataSheet
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規格

Part Status	Active
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 ~ 125°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	73 µA

概述

Description

The LM4040D25FTA is a precision voltage reference IC from Texas Instruments, designed to provide a stable output voltage of 2.5V. It is part of the LM4040 series, known for its low temperature coefficient and excellent stability over varying conditions. With a typical output impedance of 0.05Ω, it ensures minimal voltage drop under load. The device features a wide operating temperature range from -40°C to +125°C, making it suitable for various applications in automotive, industrial, and consumer electronics.
The LM4040D25FTA is housed in a compact SOT23 package, making it ideal for space-constrained designs. It has a low quiescent current, enhancing efficiency in battery-powered devices. The IC includes a built-in thermal shutdown feature for added reliability.
Overall, the LM4040D25FTA is an excellent choice for applications requiring precise voltage references, including data converters, power management systems, and calibration setups.

Features

The LM4040D25FTA is a precision voltage reference from Texas Instruments, offering a fixed output voltage of 2.5V. Key features include:
- Voltage Reference: Provides a stable 2.5V output with low temperature coefficient.
- Temperature Coefficient: ±10 ppm/°C, ensuring minimal drift with temperature changes.
- Low Noise: Offers low output noise, making it suitable for sensitive applications.
- Wide Operating Current Range: Functions effectively with a current range from 100 µA to 10 mA.
- Low Output Impedance: Helps maintain stability under varying load conditions.
- Sourcing and Sinking Capability: Can source or sink current, providing flexibility in circuit designs.
- Available Packages: Offered in a compact SOT23-5 package for space-constrained applications.
- Applications: Ideal for precision instrumentation, data acquisition systems, and analog-to-digital converters (ADCs).
These features make the LM4040D25FTA suitable for high-accuracy reference applications in various electronic circuits.

Package

The LM4040D25FTA is packaged in a SOT-23 (Small Outline Transistor) format. This surface-mount package is designed for compact applications, allowing for efficient use of board space.

Pinout

The LM4040D25FTA is a precise voltage reference with a pin count of 3.
Pin Functions:
1. Pin 1 (Anode, A): Connects to the positive supply voltage. It is used for providing the input voltage to the reference.
2. Pin 2 (Cathode, K): This pin outputs a stable reference voltage of 2.5 V. It is critical for applications requiring a precise voltage reference.
3. Pin 3 (Ground, GND): Connects to the circuit ground. It is essential for establishing the reference point for the output voltage.
The LM4040 series is designed for applications requiring high accuracy and stability in voltage reference.

Manufacturer

The LM4040D25FTA is manufactured by Texas Instruments (TI), a leading semiconductor company. Established in 1930, Texas Instruments designs and produces a wide range of analog and digital semiconductor solutions, including integrated circuits, microcontrollers, and digital signal processors. The company serves various industries, including automotive, industrial, communications, and consumer electronics. TI is well-known for its innovation in the field of electronics and focuses on providing high-performance products and solutions that enhance technology efficiency and performance.

Application

The LM4040D25FTA is a precision voltage reference used in various applications, including voltage regulation, analog-to-digital converters (ADCs), and digital-to-analog converters (DACs). It is commonly employed in power management systems, instrumentation, and industrial equipment to provide stable reference voltages in measurement and calibration tasks. Its low noise and temperature stability make it suitable for high-accuracy applications.

Equivalent

The LM4040D25FTA is a precision voltage reference. Equivalent products include:
1. TL431 - Adjustable precision reference.
2. LM185/LM285/LM385 - 1.2V, 2.5V, and 2.5V references, respectively.
3. ADR Series (e.g., ADR441) - Precision references with low noise.
4. REF02 - High accuracy voltage reference.
Always check specifications for exact voltage, temperature coefficient, and other characteristics to ensure compatibility.