사양
| 속성 | 가치 |
| Package / Case | Bulk,Bulk |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 1.235V |
| Current - Output | 20 mA |
| Tolerance | ±1% |
| Temperature Coefficient | 80ppm/°C Typical |
| Noise - 10 Hzto10k Hz | 60µVrms |
| Current - Cathode | 20 µA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
개요
Description
The LM285Z-1.2G is a voltage reference diode designed for precision applications. It provides a stable reference voltage of 1.235V and is commonly used in circuits requiring a reliable voltage source. This device operates over a wide range of currents, typically from 10µA to 20mA, ensuring versatility in different electronic applications.
Key features of the LM285Z-1.2G include low temperature coefficient and low dynamic impedance, which contribute to its high precision and stability. It is housed in a TO-92 package, making it suitable for through-hole installation in printed circuit boards.
The LM285Z-1.2G is often used in analog circuits for calibration, as a reference for analog-to-digital converters (ADCs), or in power supply designs to maintain consistent output voltage. Its low power consumption and ease of use make it an ideal choice for battery-powered devices and other low-power applications. Overall, the LM285Z-1.2G is valued for its reliability and efficiency in maintaining precise voltage levels in various electronic systems.
Key features of the LM285Z-1.2G include low temperature coefficient and low dynamic impedance, which contribute to its high precision and stability. It is housed in a TO-92 package, making it suitable for through-hole installation in printed circuit boards.
The LM285Z-1.2G is often used in analog circuits for calibration, as a reference for analog-to-digital converters (ADCs), or in power supply designs to maintain consistent output voltage. Its low power consumption and ease of use make it an ideal choice for battery-powered devices and other low-power applications. Overall, the LM285Z-1.2G is valued for its reliability and efficiency in maintaining precise voltage levels in various electronic systems.
Equivalent
The LM285Z-1.2G chip is a precision voltage reference. Equivalent products include the LM285Z-1.2, LM385Z-1.2, TL431, and LT1004-1.2. These alternatives provide similar voltage reference features and performance characteristics. However, always check the datasheets for specific parameters like voltage tolerance, operating temperature range, and package type to ensure compatibility with your design requirements.
Features
The LM285Z-1.2G is a precision voltage reference component known for its reliable performance and versatility. Here are its key features:
1. Voltage Reference: Provides a stable 1.2V reference voltage with minimal drift over temperature changes.
2. Accuracy: Typically offers a trimming capability for improved accuracy, usually within ±1%.
3. Wide Operating Range: Functions effectively over a broad temperature range, typically from -40°C to +85°C, making it suitable for various environmental conditions.
4. Low Noise and Drift: Exhibits low noise and minimal voltage drift over time, ensuring stable output.
5. Current Stability: Operates efficiently with a wide range of current loads, generally from 10 μA to 20 mA, facilitating flexibility in various applications.
6. Compact TO-92 Package: Comes in a small TO-92 package, which is ideal for space-constrained applications.
7. Applications: Suitable for use in portable devices, battery-powered equipment, and other systems requiring a precise voltage reference.
These features make the LM285Z-1.2G an ideal choice for situations where a compact, precise, and reliable voltage reference is necessary.
1. Voltage Reference: Provides a stable 1.2V reference voltage with minimal drift over temperature changes.
2. Accuracy: Typically offers a trimming capability for improved accuracy, usually within ±1%.
3. Wide Operating Range: Functions effectively over a broad temperature range, typically from -40°C to +85°C, making it suitable for various environmental conditions.
4. Low Noise and Drift: Exhibits low noise and minimal voltage drift over time, ensuring stable output.
5. Current Stability: Operates efficiently with a wide range of current loads, generally from 10 μA to 20 mA, facilitating flexibility in various applications.
6. Compact TO-92 Package: Comes in a small TO-92 package, which is ideal for space-constrained applications.
7. Applications: Suitable for use in portable devices, battery-powered equipment, and other systems requiring a precise voltage reference.
These features make the LM285Z-1.2G an ideal choice for situations where a compact, precise, and reliable voltage reference is necessary.
Pinout
The LM285Z-1.2G is a precision voltage reference. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, but in some configurations, it's found in a 3-pin TO-92 package. Its primary function is to provide a stable 1.235V reference voltage output.
For the 3-pin TO-92 package:
1. Pin 1 (V+ or Anode): Connects to the positive supply voltage.
2. Pin 2 (Cathode or GND): Connects to ground.
3. Pin 3 (Adjust): This pin allows for precision adjustment of the output voltage if necessary.
The LM285Z-1.2G is often used in applications requiring a stable voltage reference, such as analog-to-digital converters, digital voltmeters, and other precision measurement devices. It offers low temperature coefficient and low dynamic impedance, making it a reliable choice for maintaining stable voltage in varying conditions.
For the 3-pin TO-92 package:
1. Pin 1 (V+ or Anode): Connects to the positive supply voltage.
2. Pin 2 (Cathode or GND): Connects to ground.
3. Pin 3 (Adjust): This pin allows for precision adjustment of the output voltage if necessary.
The LM285Z-1.2G is often used in applications requiring a stable voltage reference, such as analog-to-digital converters, digital voltmeters, and other precision measurement devices. It offers low temperature coefficient and low dynamic impedance, making it a reliable choice for maintaining stable voltage in varying conditions.
Manufacturer
The LM285Z-1.2G is manufactured by ON Semiconductor, which is now known as onsemi. onsemi is a semiconductor manufacturing company that designs, develops, and supplies a wide portfolio of energy-efficient solutions. Their products include power and signal management, logic, discrete, and custom devices. These products are used in various applications such as automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, and military/aerospace. onsemi focuses on providing solutions that help engineers solve their design challenges and improve energy efficiency in electronic products.
Application
The LM285Z-1.2G is a precision voltage reference typically used in various applications requiring stable voltage sources. Key application areas include:
1. Voltage Regulation: Used in power supplies to provide a stable reference voltage for regulators.
2. Analog-to-Digital Converters (ADCs): Provides a reference voltage for accurate data conversion.
3. Digital-to-Analog Converters (DACs): Ensures precise output by serving as a reference voltage.
4. Sensor Calibration: Provides a stable reference for sensor outputs, enhancing accuracy.
5. Test Equipment: Ensures stability and precision in measurement devices.
6. Battery Management Systems: Helps in maintaining consistent voltage levels.
These applications benefit from its low power consumption and reliable voltage output.
1. Voltage Regulation: Used in power supplies to provide a stable reference voltage for regulators.
2. Analog-to-Digital Converters (ADCs): Provides a reference voltage for accurate data conversion.
3. Digital-to-Analog Converters (DACs): Ensures precise output by serving as a reference voltage.
4. Sensor Calibration: Provides a stable reference for sensor outputs, enhancing accuracy.
5. Test Equipment: Ensures stability and precision in measurement devices.
6. Battery Management Systems: Helps in maintaining consistent voltage levels.
These applications benefit from its low power consumption and reliable voltage output.
Package
The LM285Z-1.2G is a voltage reference diode available in a TO-92 package. This compact, three-lead package is commonly used for small electronic components, providing an easy fit for through-hole mounting on printed circuit boards.