LM285D-2.5

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LM285D-2.5

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IC VREF SHUNT 1.5% 8SOIC

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規格

屬性 價值
Part Status Obsolete
Reference Type Shunt
Output Type Fixed
Voltage - Output (Min/Fixed) 2.5V
Current - Output 20 mA
Tolerance ±1.5%
Temperature Coefficient 80ppm/°C Typical
Noise - 10Hz to 10kHz 120µVrms
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number LM285
Current - Cathode 30 µA

概述

Description

The LM285D-2.5 is a low-dropout (LDO) voltage reference and regulator designed to provide a stable output voltage of 2.5V. It is commonly used in applications requiring precision voltage regulation, such as power management systems, analog circuits, and reference designs.
Key features include:
- Output Voltage: Fixed at 2.5V with a tolerance of ±1%.
- Low Dropout Voltage: Typically around 0.2V, allowing it to operate effectively with minimal input-output voltage difference.
- Temperature Stability: The device offers good thermal stability over a wide temperature range, ensuring consistent performance.
- Current Output: Can deliver up to 1 mA, making it suitable for low-power applications.
- Package: Available in a TO-92 or surface-mount package, enabling versatile design options.
The LM285D-2.5 is ideal for use in battery-powered devices, precision instrumentation, and other electronic applications that demand reliable voltage regulation.

Equivalent

Equivalent products to the LM285D-2.5 voltage reference chip include the LMREF series, such as the LM385-2.5 and LM4040-2.5. Other alternatives are the ADR421 and TL431, which provide similar reference voltage functionality. Always check specific electrical characteristics to ensure compatibility for your application.

Features

The LM285D-2.5 is a precision voltage reference device. Key features include:
1. Output Voltage: Provides a stable output voltage of 2.5V.
2. Temperature Stability: Offers excellent temperature coefficient, ensuring minimal voltage variation over temperature changes.
3. Low Noise: Features a low noise output, making it suitable for sensitive applications.
4. Wide Supply Voltage Range: Operates with a wide input voltage range, typically from 4V to 40V.
5. Current Output: Capable of delivering a load current up to 15 mA.
6. Reference Type: Utilizes a bandgap reference design for improved performance.
7. Package: Available in an 8-lead plastic DIP package or surface-mount options for flexibility in designs.
8. Applications: Ideal for use in precision analog circuits, instrumentation, and as a reference for A/D converters.
Overall, the LM285D-2.5 is a reliable choice for applications requiring a stable and precise voltage reference.

Pinout

The LM285D-2.5 is a precision voltage reference with a total of 3 pins. It provides a stable output voltage of 2.5V.
Pin Functions:
1. Pin 1 (CATHODE): This pin is the negative terminal and is connected to the ground in most applications.
2. Pin 2 (ANODE): This pin is the positive terminal, which provides the regulated output voltage of 2.5V.
3. Pin 3 (ADJUST): This pin is used for adjusting the output voltage in certain configurations, allowing for fine-tuning of the reference voltage.
The LM285D-2.5 is commonly used in various applications such as power supplies, ADCs, and other analog circuits requiring precise voltage references.

Manufacturer

The LM285D-2.5 is manufactured by Texas Instruments (TI), a global semiconductor design and manufacturing company. Texas Instruments designs and produces a wide range of electronic components, including analog and digital integrated circuits, embedded processors, and various semiconductor solutions. Established in 1930, TI is known for its innovations in the electronics industry, particularly in the fields of analog electronics, digital signal processing, and microcontrollers. The company's products are widely used in consumer electronics, automotive, industrial, and communication applications. Texas Instruments has a reputation for reliability and quality, making it a significant player in the global semiconductor market.

Application

The LM285D-2.5 is a precision voltage reference commonly used in various applications, including:
1. Voltage Regulation: Acts as a stable reference voltage for linear voltage regulators.
2. Analog-to-Digital Converters (ADCs): Provides a reference voltage for improved accuracy in conversion.
3. Signal Conditioning: Used in sensor circuits to ensure consistent voltage levels.
4. Battery Management: Monitors and regulates battery voltages in charging systems.
5. Test Equipment: Serves as a voltage standard for calibration and testing purposes.
Its features make it suitable for use in precision instrumentation and measurement applications.

Package

The LM285D-2.5 is packaged in a TO-92 style, which is a small, cylindrical plastic package commonly used for low-power devices.

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