規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Fixed |
| Voltage-Output(Min/Fixed) | 1.235V |
| Current-Output | 20 mA |
| Tolerance | ±1% |
| TemperatureCoefficient | 20ppm/°C Typical |
| Noise-10Hzto10kHz | 60µVrms |
| Current-Cathode | 10 µA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The LM285DR-1-2 is a precision voltage reference commonly used in electronic circuits to provide a stable reference voltage. It typically offers a fixed output voltage of 1.235V, which is useful for applications requiring precise voltage regulation. The "DR" suffix indicates the package type, which is often a small-outline transistor (SOT) or similar surface-mount package suitable for space-constrained designs.
This device operates over a wide range of input voltages and has a low temperature coefficient, making it ideal for use in environments where temperature stability is crucial. The LM285 also features low power consumption, enhancing its suitability for battery-operated devices.
Engineers use these voltage references in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and various sensor applications where an accurate and stable voltage reference is necessary. Its reliability and precision make it a popular choice in industrial, consumer, and automotive electronics. Overall, the LM285DR-1-2 is a versatile component for achieving precise voltage references in a variety of electronic applications.
This device operates over a wide range of input voltages and has a low temperature coefficient, making it ideal for use in environments where temperature stability is crucial. The LM285 also features low power consumption, enhancing its suitability for battery-operated devices.
Engineers use these voltage references in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and various sensor applications where an accurate and stable voltage reference is necessary. Its reliability and precision make it a popular choice in industrial, consumer, and automotive electronics. Overall, the LM285DR-1-2 is a versatile component for achieving precise voltage references in a variety of electronic applications.
Equivalent
The LM285DR-1.2 is a voltage reference diode. Equivalent products include TL431, LM385, LM336, and REF1112. These components serve similar functions, offering precise voltage references in various electronic applications. Always verify specifications and pin compatibility when selecting replacements.
Features
The LM285DR-1-2 is a precision voltage reference with the following features:
1. Output Voltage: It provides a fixed output voltage of 1.235V.
2. Low Temperature Coefficient: Ensures stability across varying temperatures.
3. Wide Operating Range: Operates effectively over a wide range of supply voltages and load conditions.
4. Low Power Consumption: Designed for energy efficiency.
5. High Accuracy: Offers precision voltage regulation.
6. Ease of Use: Simple to integrate into various applications due to minimal external components.
7. Small Package: Available in a compact SOIC-8 package, suitable for space-constrained designs.
8. Temperature Range: Functions reliably within a wide temperature spectrum.
This device is ideal for applications requiring stable voltage references, such as in analog-to-digital converters, battery-operated devices, and other precision instrumentation.
1. Output Voltage: It provides a fixed output voltage of 1.235V.
2. Low Temperature Coefficient: Ensures stability across varying temperatures.
3. Wide Operating Range: Operates effectively over a wide range of supply voltages and load conditions.
4. Low Power Consumption: Designed for energy efficiency.
5. High Accuracy: Offers precision voltage regulation.
6. Ease of Use: Simple to integrate into various applications due to minimal external components.
7. Small Package: Available in a compact SOIC-8 package, suitable for space-constrained designs.
8. Temperature Range: Functions reliably within a wide temperature spectrum.
This device is ideal for applications requiring stable voltage references, such as in analog-to-digital converters, battery-operated devices, and other precision instrumentation.
Pinout
The LM285DR-1-2 is a precision voltage reference IC, typically offered in a small surface-mount package. It usually comes in an 8-pin SOIC package. However, the functional pin count relevant to its operation is typically three: input, output, and ground.
1. Input (Vin): Connects to the power supply.
2. Output (Vout): Provides a stable reference voltage, typically 1.2 volts.
3. Ground (GND): Connects to the system ground.
These devices are used in a variety of applications where a stable voltage reference is necessary, such as in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement systems. The LM285 series offers a low temperature coefficient and operates over a wide current range, making it versatile for different circuit designs. Please check the specific datasheet for exact pin configurations as they may vary slightly depending on the manufacturer.
1. Input (Vin): Connects to the power supply.
2. Output (Vout): Provides a stable reference voltage, typically 1.2 volts.
3. Ground (GND): Connects to the system ground.
These devices are used in a variety of applications where a stable voltage reference is necessary, such as in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement systems. The LM285 series offers a low temperature coefficient and operates over a wide current range, making it versatile for different circuit designs. Please check the specific datasheet for exact pin configurations as they may vary slightly depending on the manufacturer.
Manufacturer
The LM285DR-1-2 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. It is one of the largest semiconductor companies in the world, known for its innovation in the field of electronics and technology. TI's products are used in a variety of applications, including automotive, communications equipment, enterprise systems, industrial, and personal electronics.
Application
The LM285DR-1.2 is a precision voltage reference diode with a fixed output of 1.235V. It is commonly used in applications that require stable voltage references. Typical application areas include:
1. Voltage Regulation: Providing a stable reference for voltage regulators in power supply circuits.
2. Analog-to-Digital Converters (ADC): Ensuring accuracy in ADCs by providing a consistent reference voltage.
3. Digital-to-Analog Converters (DAC): Maintaining output precision in DACs.
4. Calibration Circuits: Used in calibration for instruments and sensors.
5. Battery-Operated Devices: Ensuring low power consumption and precision in portable electronics.
Its compact size and high precision make it suitable for various consumer electronics, industrial, and automotive applications.
1. Voltage Regulation: Providing a stable reference for voltage regulators in power supply circuits.
2. Analog-to-Digital Converters (ADC): Ensuring accuracy in ADCs by providing a consistent reference voltage.
3. Digital-to-Analog Converters (DAC): Maintaining output precision in DACs.
4. Calibration Circuits: Used in calibration for instruments and sensors.
5. Battery-Operated Devices: Ensuring low power consumption and precision in portable electronics.
Its compact size and high precision make it suitable for various consumer electronics, industrial, and automotive applications.
Package
The LM285DR-1-2 is typically available in a SOIC-8 package, which is a small-outline integrated circuit with 8 leads.
