仕様
| 属性 | 値 |
| Package | Bulk,Bulk |
| ProductStatus | Obsolete |
| ReferenceType | Shunt |
| OutputType | Fixed |
| Voltage-Output(Min/Fixed) | 2.5V |
| Current-Output | 20 mA |
| Tolerance | ±3% |
| TemperatureCoefficient | 80ppm/°C Typical |
| Noise-10Hzto10kHz | 120µVrms |
| Current-Cathode | 30 µA |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Through Hole |
| Package/Case | TO-226-3, TO-92-3 Long Body |
概要
Description
The LM385Z-2.5 is a precision voltage reference component used in electronic circuits, providing a stable 2.5V output. It is known for its low power consumption and high accuracy, making it suitable for battery-operated devices and other applications requiring a reliable voltage reference. The device operates over a wide range of input voltages and maintains its output under varying environmental conditions.
Key features of the LM385Z-2.5 include low temperature coefficient, ensuring consistent performance across different temperatures, and the ability to operate with minimal bias current. Its compact TO-92 package allows for easy integration into circuit designs, especially where space is limited.
Common applications of the LM385Z-2.5 include use in analog-to-digital converters, digital voltmeters, and other precision measurement devices. It is preferred for its ease of use and stability, reducing the need for additional components to stabilize voltage references in complex circuits. Overall, the LM385Z-2.5 serves as an efficient and reliable solution for designers needing a 2.5V reference voltage.
Key features of the LM385Z-2.5 include low temperature coefficient, ensuring consistent performance across different temperatures, and the ability to operate with minimal bias current. Its compact TO-92 package allows for easy integration into circuit designs, especially where space is limited.
Common applications of the LM385Z-2.5 include use in analog-to-digital converters, digital voltmeters, and other precision measurement devices. It is preferred for its ease of use and stability, reducing the need for additional components to stabilize voltage references in complex circuits. Overall, the LM385Z-2.5 serves as an efficient and reliable solution for designers needing a 2.5V reference voltage.
Equivalent
The LM385Z-2.5 is a voltage reference IC, and its equivalents include:
1. TL431 - Adjustable precision shunt regulator.
2. LM4041 - Precision micropower shunt voltage reference.
3. TLV431 - Low-voltage adjustable precision shunt regulator.
4. REF1004 - Micropower voltage reference.
5. LM336-2.5 - 2.5V reference diode.
Ensure to verify the specifications to match your specific requirements, as equivalents may vary in terms of temperature range, package type, and other parameters.
1. TL431 - Adjustable precision shunt regulator.
2. LM4041 - Precision micropower shunt voltage reference.
3. TLV431 - Low-voltage adjustable precision shunt regulator.
4. REF1004 - Micropower voltage reference.
5. LM336-2.5 - 2.5V reference diode.
Ensure to verify the specifications to match your specific requirements, as equivalents may vary in terms of temperature range, package type, and other parameters.
Features
The LM385Z-2.5 is a precision voltage reference designed for applications requiring precise voltage regulation. Key features include:
1. Output Voltage: Provides a stable output voltage of 2.5V.
2. Tolerance: Offers low output voltage tolerance typically around ±1% for accurate operations.
3. Temperature Coefficient: Features a low temperature coefficient, ensuring minimal voltage drift over a wide temperature range.
4. Operating Range: Functions effectively over a wide range of input voltages and is suitable for battery-operated devices.
5. Low Power Consumption: Consumes minimal power, making it ideal for energy-efficient applications.
6. Versatile Package: Comes in a TO-92 package, which is easy to use in various design configurations.
7. Stability and Reliability: Provides excellent long-term stability and reliability.
8. Wide Temperature Range: Operates over an extended temperature range, typically from -40°C to 85°C.
9. Ease of Use: Requires minimal external components, simplifying circuit design.
These features make the LM385Z-2.5 suitable for use in precision voltage regulation and battery-operated systems.
1. Output Voltage: Provides a stable output voltage of 2.5V.
2. Tolerance: Offers low output voltage tolerance typically around ±1% for accurate operations.
3. Temperature Coefficient: Features a low temperature coefficient, ensuring minimal voltage drift over a wide temperature range.
4. Operating Range: Functions effectively over a wide range of input voltages and is suitable for battery-operated devices.
5. Low Power Consumption: Consumes minimal power, making it ideal for energy-efficient applications.
6. Versatile Package: Comes in a TO-92 package, which is easy to use in various design configurations.
7. Stability and Reliability: Provides excellent long-term stability and reliability.
8. Wide Temperature Range: Operates over an extended temperature range, typically from -40°C to 85°C.
9. Ease of Use: Requires minimal external components, simplifying circuit design.
These features make the LM385Z-2.5 suitable for use in precision voltage regulation and battery-operated systems.
Pinout
The LM385Z-2.5 is a precision voltage reference with a typical output voltage of 2.5 volts. It is housed in a TO-92 package and has a total of three pins. The pin functions are as follows:
1. Pin 1 (Adjust/Trim): This pin is used to fine-tune the output voltage if necessary. It can be connected to a resistor network to adjust the reference voltage slightly.
2. Pin 2 (Cathode/Output): This is the output pin where the 2.5V reference voltage is available. It typically connects to the load that requires a stable reference voltage.
3. Pin 3 (Anode/Negative): This pin is connected to the ground or negative side of the power supply.
The LM385Z-2.5 is designed to provide a stable reference voltage over a wide range of operating conditions, making it suitable for use in precision applications.
1. Pin 1 (Adjust/Trim): This pin is used to fine-tune the output voltage if necessary. It can be connected to a resistor network to adjust the reference voltage slightly.
2. Pin 2 (Cathode/Output): This is the output pin where the 2.5V reference voltage is available. It typically connects to the load that requires a stable reference voltage.
3. Pin 3 (Anode/Negative): This pin is connected to the ground or negative side of the power supply.
The LM385Z-2.5 is designed to provide a stable reference voltage over a wide range of operating conditions, making it suitable for use in precision applications.
Manufacturer
The LM385Z-2.5 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and integrated circuits, which are used in a wide array of electronic devices. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest semiconductor companies globally. The company serves various sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is known for its innovations in analog and embedded processing products.
Application
The LM385Z-2.5 is a precision voltage reference diode that provides a stable 2.5V reference voltage. Its application areas include:
1. Voltage Regulation: Used in power supplies for precise voltage regulation.
2. Data Acquisition Systems: Provides stable reference voltage for ADCs.
3. Battery-Powered Devices: Low power consumption makes it ideal for battery-operated electronics.
4. Calibration Equipment: Ensures accuracy in measurement systems.
5. Analog Signal Processing: Supports stable voltage levels for processing analog signals.
6. Test and Measurement Instruments: Used in devices requiring accurate voltage references.
7. Consumer Electronics: Incorporated in devices needing precise voltage standards.
Its versatility and low power consumption make the LM385Z-2.5 suitable for various precision-dependent applications.
1. Voltage Regulation: Used in power supplies for precise voltage regulation.
2. Data Acquisition Systems: Provides stable reference voltage for ADCs.
3. Battery-Powered Devices: Low power consumption makes it ideal for battery-operated electronics.
4. Calibration Equipment: Ensures accuracy in measurement systems.
5. Analog Signal Processing: Supports stable voltage levels for processing analog signals.
6. Test and Measurement Instruments: Used in devices requiring accurate voltage references.
7. Consumer Electronics: Incorporated in devices needing precise voltage standards.
Its versatility and low power consumption make the LM385Z-2.5 suitable for various precision-dependent applications.
Package
The LM385Z-2.5 is a precision voltage reference integrated circuit typically packaged in a TO-92 case. This package type is a through-hole, plastic transistor-like package commonly used for small electronic components.
