仕様
| 属性 | 値 |
| Package | Bulk,Tube |
| ProductStatus | Obsolete |
| ReferenceType | Series, Shunt |
| OutputType | Programmable |
| Voltage-Output(Min/Fixed) | ±2.5V, ±3V |
| Current-Output | 10 mA |
| Tolerance | ±0.04%, ±0.03% |
| TemperatureCoefficient | 3ppm/°C |
| Noise-01Hzto10Hz | 4µVp-p |
| Voltage-Input | 4V ~ 36V |
| Current-Supply | 1mA |
| Current-Cathode | 1 mA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The AD780BR is a high-precision voltage reference device from Analog Devices. It is commonly used in applications requiring stable voltage outputs, such as analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), as well as precision measurement and control systems. The AD780BR provides a precise output voltage with low drift over temperature and time, ensuring accuracy and reliability in various electronic circuits.
Key features include a low output noise, low temperature coefficient, and the ability to supply either a 2.5V or a 3.0V output voltage, selectable based on the application requirements. Its low power consumption makes it suitable for battery-powered and portable devices. The device also offers excellent line and load regulation, further enhancing its precision under varying operating conditions.
The AD780BR typically comes in a small package size, making it easy to integrate into circuit designs where space is limited. Its robust performance and reliability make it a popular choice for engineers designing sensitive and precise electronic systems.
Key features include a low output noise, low temperature coefficient, and the ability to supply either a 2.5V or a 3.0V output voltage, selectable based on the application requirements. Its low power consumption makes it suitable for battery-powered and portable devices. The device also offers excellent line and load regulation, further enhancing its precision under varying operating conditions.
The AD780BR typically comes in a small package size, making it easy to integrate into circuit designs where space is limited. Its robust performance and reliability make it a popular choice for engineers designing sensitive and precise electronic systems.
Equivalent
The AD780BR is a precision voltage reference chip. Equivalent products include:
1. LT1021 from Analog Devices - A precision voltage reference.
2. LM4040 from Texas Instruments - A precision micropower shunt voltage reference.
3. REF02 from Texas Instruments - A precision voltage reference.
4. MAX6126 from Maxim Integrated - A precision voltage reference.
5. TL431 from Texas Instruments - A programmable shunt voltage reference.
These equivalents may have slight variations, so verify compatibility with your specific application.
1. LT1021 from Analog Devices - A precision voltage reference.
2. LM4040 from Texas Instruments - A precision micropower shunt voltage reference.
3. REF02 from Texas Instruments - A precision voltage reference.
4. MAX6126 from Maxim Integrated - A precision voltage reference.
5. TL431 from Texas Instruments - A programmable shunt voltage reference.
These equivalents may have slight variations, so verify compatibility with your specific application.
Features
The AD780BR is a precision 2.5 V/3.0 V voltage reference from Analog Devices, featuring high accuracy and stability. Key features include:
1. Output Voltage Options: It offers dual output voltage options of 2.5 V and 3.0 V, selectable through a simple pin configuration.
2. High Initial Accuracy: The device provides an initial accuracy of 2.5 mV, minimizing the need for calibration in many applications.
3. Low Drift: It exhibits a low temperature coefficient, ensuring minimal drift over temperature variations.
4. Low Noise Output: The AD780BR has low output noise, enhancing performance in precision applications.
5. Wide Temperature Range: It operates effectively over a wide temperature range, typically from -40°C to +85°C.
6. Low Power Consumption: It is designed for low power consumption, making it suitable for battery-powered and portable devices.
7. Excellent Line and Load Regulation: The device features excellent line and load regulation characteristics.
8. Compact Package: It is available in a small, surface-mount package, facilitating easy integration into various circuit designs.
These features make the AD780BR suitable for applications requiring precise voltage references, such as data acquisition systems, instrumentation, and control systems.
1. Output Voltage Options: It offers dual output voltage options of 2.5 V and 3.0 V, selectable through a simple pin configuration.
2. High Initial Accuracy: The device provides an initial accuracy of 2.5 mV, minimizing the need for calibration in many applications.
3. Low Drift: It exhibits a low temperature coefficient, ensuring minimal drift over temperature variations.
4. Low Noise Output: The AD780BR has low output noise, enhancing performance in precision applications.
5. Wide Temperature Range: It operates effectively over a wide temperature range, typically from -40°C to +85°C.
6. Low Power Consumption: It is designed for low power consumption, making it suitable for battery-powered and portable devices.
7. Excellent Line and Load Regulation: The device features excellent line and load regulation characteristics.
8. Compact Package: It is available in a small, surface-mount package, facilitating easy integration into various circuit designs.
These features make the AD780BR suitable for applications requiring precise voltage references, such as data acquisition systems, instrumentation, and control systems.
Pinout
The AD780BR is a high precision bandgap voltage reference from Analog Devices. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Each pin on the AD780BR serves a specific function:
1. Pin 1 (NC): No Connect.
2. Pin 2 (NC): No Connect.
3. Pin 3 (NC): No Connect.
4. Pin 4 (GND): Ground. Connects to the ground of the circuit.
5. Pin 5 (VOUT): Output Voltage. Provides the precision reference voltage output.
6. Pin 6 (VS): Supply Voltage. The positive supply voltage input.
7. Pin 7 (VIN): Input Voltage. Connects to the circuit's input voltage.
8. Pin 8 (TRIM): Trim. Used for trimming the output voltage.
The AD780BR is commonly used in precision voltage reference applications due to its high accuracy and low drift over temperature.
1. Pin 1 (NC): No Connect.
2. Pin 2 (NC): No Connect.
3. Pin 3 (NC): No Connect.
4. Pin 4 (GND): Ground. Connects to the ground of the circuit.
5. Pin 5 (VOUT): Output Voltage. Provides the precision reference voltage output.
6. Pin 6 (VS): Supply Voltage. The positive supply voltage input.
7. Pin 7 (VIN): Input Voltage. Connects to the circuit's input voltage.
8. Pin 8 (TRIM): Trim. Used for trimming the output voltage.
The AD780BR is commonly used in precision voltage reference applications due to its high accuracy and low drift over temperature.
Manufacturer
The AD780BR is a precision voltage reference manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in a wide range of electronic equipment. The company serves a diverse set of markets including industrial, automotive, communications, healthcare, and consumer electronics. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is known for its innovation and focus on high-performance analog technology, offering solutions that bridge the physical and digital worlds.
Application
The AD780BR is a precision voltage reference used primarily in applications requiring high stability and low drift over temperature. Common application areas include:
1. Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate digital conversion.
2. Digital-to-Analog Converters (DACs): Ensures precise output by serving as a reference.
3. Data Acquisition Systems: Enhances measurement accuracy.
4. Instrumentation: Used in sensitive measurement equipment for stable voltage references.
5. Precision Power Supplies: Offers a reliable reference for voltage regulation.
6. Calibration Equipment: Ensures accuracy in calibration processes.
7. Test and Measurement Equipment: Provides stable voltage references for consistency in testing.
These applications benefit from its low noise, high precision, and excellent temperature stability characteristics.
1. Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate digital conversion.
2. Digital-to-Analog Converters (DACs): Ensures precise output by serving as a reference.
3. Data Acquisition Systems: Enhances measurement accuracy.
4. Instrumentation: Used in sensitive measurement equipment for stable voltage references.
5. Precision Power Supplies: Offers a reliable reference for voltage regulation.
6. Calibration Equipment: Ensures accuracy in calibration processes.
7. Test and Measurement Equipment: Provides stable voltage references for consistency in testing.
These applications benefit from its low noise, high precision, and excellent temperature stability characteristics.
Package
The AD780BR is typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package.