Спецификации
| Атрибут | Ценность |
| Package | Bulk |
| ProductStatus | Obsolete |
| ReferenceType | Shunt |
| OutputType | Fixed |
| Voltage-Output(Min/Fixed) | 2.5V |
| Current-Output | 20 mA |
| Tolerance | ±1.5% |
| TemperatureCoefficient | 80ppm/°C Typical |
| Noise-10Hzto10kHz | 120µVrms |
| Current-Cathode | 30 µA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | TO-226-3, TO-92-3 (TO-226AA) |
Обзор
Description
The LM285Z-2.5 is a precision voltage reference device designed to provide a stable 2.5V output over a wide range of operating conditions. Typically housed in a TO-92 or SOIC package, it is used in applications where precise voltage regulation is crucial, such as in analog-to-digital converters or microcontrollers. The LM285Z-2.5 operates with low power consumption and features low temperature coefficient, ensuring minimal output voltage variation with temperature changes.
This device can function as a shunt regulator, offering flexibility in circuit design, and can operate over a wide current range. Its excellent long-term stability and low noise make it suitable for both consumer and industrial applications. The device's simple two-terminal configuration allows for easy integration into circuit designs. Overall, the LM285Z-2.5 is valued for its reliability and precision in providing a consistent voltage reference, making it a popular choice for designers seeking dependable performance in electronic systems.
This device can function as a shunt regulator, offering flexibility in circuit design, and can operate over a wide current range. Its excellent long-term stability and low noise make it suitable for both consumer and industrial applications. The device's simple two-terminal configuration allows for easy integration into circuit designs. Overall, the LM285Z-2.5 is valued for its reliability and precision in providing a consistent voltage reference, making it a popular choice for designers seeking dependable performance in electronic systems.
Equivalent
The LM285Z-2.5 is a precision voltage reference chip. Equivalent products include the LM385-2.5, TL431, REF102, and ADR425, among others. These alternatives provide similar functionalities, offering stable reference voltages for various applications. Always check compatibility with your specific application requirements, as different manufacturers might have variations in specifications or performance.
Features
The LM285Z-2.5 is a precision voltage reference device known for its stability and accuracy. Key features include:
1. Voltage Output: It provides a fixed output voltage of 2.5V.
2. Temperature Stability: Exhibits excellent temperature coefficient, ensuring minimal drift over a wide temperature range.
3. Low Noise: Offers low output noise, making it suitable for sensitive applications.
4. Wide Operating Range: Operates over a broad supply voltage range, enhancing its versatility.
5. Low Power Consumption: Designed for efficiency with minimal power usage.
6. Compact Packaging: Available in a TO-92 package, which is compact and easy to integrate into circuit designs.
7. Current Handling: Capable of handling a wide range of load currents.
8. High Reliability: Built for robust performance in various environmental conditions.
9. Wide Application: Suitable for use in analog-to-digital converters, digital voltmeters, and other precision applications.
These features make the LM285Z-2.5 an ideal choice for applications requiring a stable and precise voltage reference.
1. Voltage Output: It provides a fixed output voltage of 2.5V.
2. Temperature Stability: Exhibits excellent temperature coefficient, ensuring minimal drift over a wide temperature range.
3. Low Noise: Offers low output noise, making it suitable for sensitive applications.
4. Wide Operating Range: Operates over a broad supply voltage range, enhancing its versatility.
5. Low Power Consumption: Designed for efficiency with minimal power usage.
6. Compact Packaging: Available in a TO-92 package, which is compact and easy to integrate into circuit designs.
7. Current Handling: Capable of handling a wide range of load currents.
8. High Reliability: Built for robust performance in various environmental conditions.
9. Wide Application: Suitable for use in analog-to-digital converters, digital voltmeters, and other precision applications.
These features make the LM285Z-2.5 an ideal choice for applications requiring a stable and precise voltage reference.
Pinout
The LM285Z-2.5 is a precision voltage reference. It typically comes in an 8-pin SOIC package, but for the TO-92 package, which is more common for this part, it has 3 pins. Here is a concise description of its pin functions:
1. Pin 1 (Anode): This pin is connected to the ground or the negative terminal of the power supply. It is the input side for the reference current.
2. Pin 2 (Cathode/Output): This is the output pin where the stable reference voltage of 2.5V is provided. It serves as both the cathode for the diode and the output for the voltage reference.
3. Pin 3 (Adjust/NC): In some configurations, this pin can be used to adjust the output voltage slightly. In standard fixed configurations, it is often not connected (NC) or used in conjunction with external components to fine-tune the output voltage.
The LM285Z-2.5 is used for applications requiring a stable voltage reference, such as in analog-to-digital converters, digital voltmeters, and other precision measurement devices.
1. Pin 1 (Anode): This pin is connected to the ground or the negative terminal of the power supply. It is the input side for the reference current.
2. Pin 2 (Cathode/Output): This is the output pin where the stable reference voltage of 2.5V is provided. It serves as both the cathode for the diode and the output for the voltage reference.
3. Pin 3 (Adjust/NC): In some configurations, this pin can be used to adjust the output voltage slightly. In standard fixed configurations, it is often not connected (NC) or used in conjunction with external components to fine-tune the output voltage.
The LM285Z-2.5 is used for applications requiring a stable voltage reference, such as in analog-to-digital converters, digital voltmeters, and other precision measurement devices.
Manufacturer
The LM285Z-2.5 is a voltage reference component manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and embedded processing technologies, serving industries such as automotive, industrial, personal electronics, and communications equipment. The company is recognized for its strong focus on research and development, aiming to provide efficient and reliable solutions for various applications.
Application
The LM285Z-2.5 is a precision voltage reference device commonly used in various applications that require a stable and accurate voltage reference. Key application areas include:
1. Voltage Regulation: Used in power supply circuits to maintain a constant output voltage.
2. Data Acquisition Systems: Provides a reference voltage for analog-to-digital converters.
3. Instrumentation: Ensures precision in measurement instruments.
4. Calibration Equipment: Used for calibrating other electronic devices.
5. Battery-Operated Devices: Offers low power consumption, making it suitable for portable electronics.
Its stability and precision make it ideal for systems where accurate voltage references are crucial.
1. Voltage Regulation: Used in power supply circuits to maintain a constant output voltage.
2. Data Acquisition Systems: Provides a reference voltage for analog-to-digital converters.
3. Instrumentation: Ensures precision in measurement instruments.
4. Calibration Equipment: Used for calibrating other electronic devices.
5. Battery-Operated Devices: Offers low power consumption, making it suitable for portable electronics.
Its stability and precision make it ideal for systems where accurate voltage references are crucial.
Package
The LM285Z-2.5 is a voltage reference IC housed in a TO-92 package.