規格
| 屬性 | 價值 |
| Package | Bulk |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Fixed |
| Voltage-Output(Min/Fixed) | 2.5V |
| Current-Output | 20 mA |
| Tolerance | ±3% |
| TemperatureCoefficient | 150ppm/°C |
| Noise-10Hzto10kHz | 120µVrms |
| Current-Cathode | 15 µA |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
概述
Description
The LM385M3-2.5 is a precision voltage reference diode designed to provide a stable 2.5V output. It is part of the LM385 series, known for low power consumption and reliable performance across varying temperatures and conditions. The device operates with minimal current, typically in the microamp range, making it suitable for battery-powered applications. Its low dynamic impedance and wide operating current range enhance its versatility in various circuits, including analog-to-digital converters, voltage regulators, and power supplies.
The LM385M3-2.5 is available in a compact SOT-23 package, making it ideal for space-constrained designs. It can work in series or shunt configurations, providing design flexibility. The device is characterized by its low thermal drift and excellent line and load regulation, ensuring stable voltage output over time.
With its precision and efficiency, the LM385M3-2.5 is a popular choice in applications requiring a reliable voltage reference, such as instrumentation, data acquisition systems, and portable devices.
The LM385M3-2.5 is available in a compact SOT-23 package, making it ideal for space-constrained designs. It can work in series or shunt configurations, providing design flexibility. The device is characterized by its low thermal drift and excellent line and load regulation, ensuring stable voltage output over time.
With its precision and efficiency, the LM385M3-2.5 is a popular choice in applications requiring a reliable voltage reference, such as instrumentation, data acquisition systems, and portable devices.
Equivalent
The LM385M3-2.5 is a voltage reference chip. Equivalent products include:
1. TL431 - Adjustable precision shunt regulator.
2. LM285-2.5 - Similar low-power voltage reference.
3. LT1004-2.5 - Micropower voltage reference.
4. AD1582 - Precision series voltage reference.
These alternatives offer similar functionalities, but always check the specific datasheets for compatibility with your application.
1. TL431 - Adjustable precision shunt regulator.
2. LM285-2.5 - Similar low-power voltage reference.
3. LT1004-2.5 - Micropower voltage reference.
4. AD1582 - Precision series voltage reference.
These alternatives offer similar functionalities, but always check the specific datasheets for compatibility with your application.
Features
The LM385M3-2.5 is a precision voltage reference device known for its low power consumption and high accuracy. Key features include:
1. Voltage Reference: Provides a stable 2.5V output, suitable for a wide range of applications.
2. Low Power: Operates with a low quiescent current, making it ideal for battery-powered applications.
3. Temperature Stability: Offers good temperature coefficient and stability over a wide temperature range, enhancing reliability in various environments.
4. Wide Operating Range: Can function effectively over a broad range of supply voltages.
5. Cost-Effective: Its design and efficiency make it a cost-effective solution for many electronics projects.
6. Small Package: Available in a compact SOT-23 package, which is beneficial for space-constrained applications.
7. Ease of Use: Simple to implement in circuits, requiring minimal external components.
These features make the LM385M3-2.5 suitable for precision voltage regulation in consumer electronics, test equipment, and instrumentation applications.
1. Voltage Reference: Provides a stable 2.5V output, suitable for a wide range of applications.
2. Low Power: Operates with a low quiescent current, making it ideal for battery-powered applications.
3. Temperature Stability: Offers good temperature coefficient and stability over a wide temperature range, enhancing reliability in various environments.
4. Wide Operating Range: Can function effectively over a broad range of supply voltages.
5. Cost-Effective: Its design and efficiency make it a cost-effective solution for many electronics projects.
6. Small Package: Available in a compact SOT-23 package, which is beneficial for space-constrained applications.
7. Ease of Use: Simple to implement in circuits, requiring minimal external components.
These features make the LM385M3-2.5 suitable for precision voltage regulation in consumer electronics, test equipment, and instrumentation applications.
Pinout
The LM385M3-2.5 is a precision voltage reference IC. It is available in a surface-mount SOT-23 package, which typically has 3 pins. The primary function of this component is to provide a stable 2.5V reference voltage, making it useful in various applications such as analog-to-digital converters, digital voltmeters, and power supplies.
The specific pin configuration for the LM385M3-2.5 in a SOT-23 package generally includes:
1. Pin 1 (Cathode): This is the input pin connected to the negative side of the voltage reference.
2. Pin 2 (Anode): This is the ground pin, connected to the positive side of the reference voltage.
3. Pin 3 (NC or Adjust): Some versions might use this pin for adjustment purposes or leave it as a no-connect (NC).
The LM385M3-2.5 is valued for its low current operation and precise voltage regulation, suitable for battery-powered devices and circuits needing a consistent voltage reference.
The specific pin configuration for the LM385M3-2.5 in a SOT-23 package generally includes:
1. Pin 1 (Cathode): This is the input pin connected to the negative side of the voltage reference.
2. Pin 2 (Anode): This is the ground pin, connected to the positive side of the reference voltage.
3. Pin 3 (NC or Adjust): Some versions might use this pin for adjustment purposes or leave it as a no-connect (NC).
The LM385M3-2.5 is valued for its low current operation and precise voltage regulation, suitable for battery-powered devices and circuits needing a consistent voltage reference.
Manufacturer
The LM385M3-2.5 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of semiconductor products for electronics designers and manufacturers. TI is known for its innovative solutions in the areas of analog and embedded processing products. The company serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI's products are integral to the development and functioning of a wide array of electronic devices and systems.
Application
The LM385M3-2.5 is a micropower voltage reference commonly used in precision applications. Key application areas include:
1. Voltage Reference: Provides stable reference voltage for analog-to-digital converters and digital-to-analog converters in data acquisition systems.
2. Battery-Operated Devices: Suitable for low-power applications where long battery life is crucial.
3. Precision Regulators: Used in precision power supplies and regulators for improved performance.
4. Portable Devices: Utilized in portable and handheld devices due to its low power consumption.
5. Instrumentation: Ensures accuracy in measurement equipment by providing a stable reference voltage.
These applications leverage its low power consumption, stability, and precision.
1. Voltage Reference: Provides stable reference voltage for analog-to-digital converters and digital-to-analog converters in data acquisition systems.
2. Battery-Operated Devices: Suitable for low-power applications where long battery life is crucial.
3. Precision Regulators: Used in precision power supplies and regulators for improved performance.
4. Portable Devices: Utilized in portable and handheld devices due to its low power consumption.
5. Instrumentation: Ensures accuracy in measurement equipment by providing a stable reference voltage.
These applications leverage its low power consumption, stability, and precision.
Package
The LM385M3-2.5 is typically available in an SOT-23 package.
