Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Obsolete |
| 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 |
Обзор
Description
The LM385M3X-2.5 is a precision voltage reference component designed to provide a stable 2.5V output. It is commonly used in applications requiring a reliable voltage reference, such as analog-to-digital converters, digital voltmeters, and power supply regulation. This device operates over a wide range of input voltages and maintains a low temperature coefficient, ensuring minimal variation with temperature changes.
Key features of the LM385M3X-2.5 include its low operating current, which contributes to energy efficiency, and its capability to function with a wide range of supply voltages. The device is available in a compact SOT-23 package, making it suitable for space-constrained designs. Furthermore, it offers a tight initial voltage tolerance and excellent long-term stability.
Overall, the LM385M3X-2.5 is valued for its precision, low power consumption, and compact size, making it an ideal choice for various electronic applications that require a dependable and accurate voltage reference.
Key features of the LM385M3X-2.5 include its low operating current, which contributes to energy efficiency, and its capability to function with a wide range of supply voltages. The device is available in a compact SOT-23 package, making it suitable for space-constrained designs. Furthermore, it offers a tight initial voltage tolerance and excellent long-term stability.
Overall, the LM385M3X-2.5 is valued for its precision, low power consumption, and compact size, making it an ideal choice for various electronic applications that require a dependable and accurate voltage reference.
Equivalent
The LM385M3X-2.5 is a voltage reference IC providing a 2.5V output. Equivalent products include:
1. LM285-2.5 and LM385-2.5 from Texas Instruments.
2. TL431 series from Texas Instruments, which offers adjustable voltage references.
3. ADR425 from Analog Devices, which is also a 2.5V reference.
4. LT1009 from Analog Devices/Linear Technology, a precision reference.
Ensure compatibility by checking datasheets for pin configuration, input voltage range, and temperature stability.
1. LM285-2.5 and LM385-2.5 from Texas Instruments.
2. TL431 series from Texas Instruments, which offers adjustable voltage references.
3. ADR425 from Analog Devices, which is also a 2.5V reference.
4. LT1009 from Analog Devices/Linear Technology, a precision reference.
Ensure compatibility by checking datasheets for pin configuration, input voltage range, and temperature stability.
Features
The LM385M3X-2.5 is a voltage reference diode known for its precision and low power consumption. Key features include:
1. Precision Voltage: Provides a stable 2.5V reference voltage.
2. Low Power Consumption: Operates with a low quiescent current, making it suitable for battery-powered applications.
3. Wide Operating Range: Functions effectively across a broad temperature range, typically from -40°C to +85°C.
4. Low Dynamic Impedance: Ensures minimal change in output voltage with variations in load current.
5. Ease of Use: Simple to integrate into circuits with minimal external components required.
6. Package Options: Comes in various package types to suit different application needs, including the SOT-23 package.
7. High Stability: Offers excellent long-term stability and low temperature coefficient for demanding applications.
These features make the LM385M3X-2.5 suitable for precision applications like analog-to-digital converters, power supplies, and signal conditioning circuits.
1. Precision Voltage: Provides a stable 2.5V reference voltage.
2. Low Power Consumption: Operates with a low quiescent current, making it suitable for battery-powered applications.
3. Wide Operating Range: Functions effectively across a broad temperature range, typically from -40°C to +85°C.
4. Low Dynamic Impedance: Ensures minimal change in output voltage with variations in load current.
5. Ease of Use: Simple to integrate into circuits with minimal external components required.
6. Package Options: Comes in various package types to suit different application needs, including the SOT-23 package.
7. High Stability: Offers excellent long-term stability and low temperature coefficient for demanding applications.
These features make the LM385M3X-2.5 suitable for precision applications like analog-to-digital converters, power supplies, and signal conditioning circuits.
Pinout
The LM385M3X-2.5 is a 3-terminal adjustable precision voltage reference. The device comes in a SOT-23 package and has three pins. Its main function is to provide a stable 2.5V reference voltage, which can be used in various applications like analog-to-digital converters, digital voltmeters, and other precision applications. The three pins in the SOT-23 package typically include:
1. Pin 1 (Vout/Reference Voltage): This pin provides the 2.5V output.
2. Pin 2 (GND/Ground): This is the ground pin and is used to complete the circuit.
3. Pin 3 (Vin/Supply Voltage): This pin receives the input voltage, which can range from 2.5V to 20V.
The LM385M3X-2.5 is known for its low drift and high stability, making it suitable for precision voltage reference requirements.
1. Pin 1 (Vout/Reference Voltage): This pin provides the 2.5V output.
2. Pin 2 (GND/Ground): This is the ground pin and is used to complete the circuit.
3. Pin 3 (Vin/Supply Voltage): This pin receives the input voltage, which can range from 2.5V to 20V.
The LM385M3X-2.5 is known for its low drift and high stability, making it suitable for precision voltage reference requirements.
Manufacturer
The LM385M3X-2.5 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is recognized for its innovation in developing semiconductor technologies that support a variety of applications, including industrial, automotive, personal electronics, communications, and enterprise systems. The company is known for its focus on creating highly efficient, reliable, and advanced technological solutions that help shape the future of electronics.
Application
The LM385M3X-2.5 is a precision voltage reference, ideal for applications requiring a stable and low drift voltage source. Key application areas include:
1. Voltage Regulation: Provides a stable reference voltage for voltage regulators and power supplies.
2. Data Acquisition Systems: Ensures accurate voltage readings in ADCs.
3. Battery-Operated Devices: Offers low power consumption for prolonged battery life.
4. Precision Measurement Equipment: Maintains accuracy in measurement instruments.
5. Calibration Systems: Used in calibrating other electronic components.
6. Microcontrollers and DSPs: Acts as a reference for analog sensing and processing tasks.
These application areas benefit from the LM385M3X-2.5's low power usage and high precision.
1. Voltage Regulation: Provides a stable reference voltage for voltage regulators and power supplies.
2. Data Acquisition Systems: Ensures accurate voltage readings in ADCs.
3. Battery-Operated Devices: Offers low power consumption for prolonged battery life.
4. Precision Measurement Equipment: Maintains accuracy in measurement instruments.
5. Calibration Systems: Used in calibrating other electronic components.
6. Microcontrollers and DSPs: Acts as a reference for analog sensing and processing tasks.
These application areas benefit from the LM385M3X-2.5's low power usage and high precision.
Package
The LM385M3X-2.5 is a precision voltage reference in a surface-mount SOT-23 package.
