Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Active |
| ReferenceType | Series, Shunt |
| OutputType | Programmable |
| Voltage-Output(Min/Fixed) | ±2.5V, ±3V |
| Current-Output | 10 mA |
| Tolerance | ±0.2%, ±0.17% |
| TemperatureCoefficient | 7ppm/°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) |
Overview
Description
The AD780ARZ is a high-precision voltage reference component commonly used in electronic circuits to provide a stable and accurate reference voltage. Manufactured by Analog Devices, this device is designed to offer low noise and low drift, making it suitable for applications requiring precise voltage regulation. It typically operates with a 2.5V or 3.0V output voltage, selectable via a simple connection, and can source up to 10mA of output current. The AD780ARZ boasts excellent temperature stability and low quiescent current, enhancing its suitability for battery-operated and portable devices. Its precision and reliability make it ideal for use in data acquisition systems, test equipment, and other applications needing a consistent voltage reference. The device is packaged in a small surface-mount configuration, making it easy to integrate into various circuit designs.
Equivalent
The AD780ARZ is a precision voltage reference chip. Equivalent products include:
1. LT1021 - Offers precision voltage references with low drift and noise.
2. REF02 - Known for its high stability and precision.
3. LM4040 - Provides a series of precision micro-power shunt voltage references.
4. MAX6350 - Offers ultra-low noise and high precision.
5. ADR01 - A high-accuracy voltage reference with low noise.
These alternatives vary slightly in specifications, so it's important to match based on your specific requirements.
1. LT1021 - Offers precision voltage references with low drift and noise.
2. REF02 - Known for its high stability and precision.
3. LM4040 - Provides a series of precision micro-power shunt voltage references.
4. MAX6350 - Offers ultra-low noise and high precision.
5. ADR01 - A high-accuracy voltage reference with low noise.
These alternatives vary slightly in specifications, so it's important to match based on your specific requirements.
Features
The AD780ARZ is a high-precision voltage reference device designed for a variety of applications requiring reliable and accurate voltage standards. Key features include:
1. Output Voltage Options: It offers dual output voltage options of 2.5 V or 3 V, selectable via an external pin, which provides versatility for different application needs.
2. High Accuracy: The device boasts a low initial accuracy with a maximum error of ±1 mV.
3. Low Drift: With a low temperature coefficient of 3 ppm/°C, it ensures stability over a wide temperature range.
4. Low Noise: It features low output noise, enhancing performance in sensitive applications.
5. Low Power Consumption: Its low supply current of 1 mA ensures minimal power draw, suitable for battery-powered devices.
6. Wide Supply Voltage Range: Compatible with a supply voltage range from 4 V to 36 V.
7. Compact Package: Available in a compact SOIC-8 package, facilitating easy integration into various designs.
These features make the AD780ARZ ideal for use in precision data acquisition systems, digital voltmeters, and other applications demanding stable voltage references.
1. Output Voltage Options: It offers dual output voltage options of 2.5 V or 3 V, selectable via an external pin, which provides versatility for different application needs.
2. High Accuracy: The device boasts a low initial accuracy with a maximum error of ±1 mV.
3. Low Drift: With a low temperature coefficient of 3 ppm/°C, it ensures stability over a wide temperature range.
4. Low Noise: It features low output noise, enhancing performance in sensitive applications.
5. Low Power Consumption: Its low supply current of 1 mA ensures minimal power draw, suitable for battery-powered devices.
6. Wide Supply Voltage Range: Compatible with a supply voltage range from 4 V to 36 V.
7. Compact Package: Available in a compact SOIC-8 package, facilitating easy integration into various designs.
These features make the AD780ARZ ideal for use in precision data acquisition systems, digital voltmeters, and other applications demanding stable voltage references.
Pinout
The AD780ARZ is a high-precision voltage reference from Analog Devices. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a concise description of its pin functions:
1. Pin 1 (VOUT): Output voltage pin, provides the precise reference voltage.
2. Pin 2 (GND): Ground pin, used to connect to the system ground.
3. Pin 3 (NC): No connect, typically not internally connected.
4. Pin 4 (VIN): Input voltage pin, the voltage supply to the device.
5. Pin 5 (TEMP): Temperature sensor output, used optionally for monitoring temperature.
6. Pin 6 (SELECT): Reference voltage select pin, allows switching between 2.5 V and 3.0 V output levels.
7. Pin 7 (NC): No connect, typically not internally connected.
8. Pin 8 (NC): No connect, typically not internally connected.
The AD780ARZ is designed for precision applications that require a stable voltage reference, such as in data acquisition systems, medical instruments, and precision measurement equipment.
1. Pin 1 (VOUT): Output voltage pin, provides the precise reference voltage.
2. Pin 2 (GND): Ground pin, used to connect to the system ground.
3. Pin 3 (NC): No connect, typically not internally connected.
4. Pin 4 (VIN): Input voltage pin, the voltage supply to the device.
5. Pin 5 (TEMP): Temperature sensor output, used optionally for monitoring temperature.
6. Pin 6 (SELECT): Reference voltage select pin, allows switching between 2.5 V and 3.0 V output levels.
7. Pin 7 (NC): No connect, typically not internally connected.
8. Pin 8 (NC): No connect, typically not internally connected.
The AD780ARZ is designed for precision applications that require a stable voltage reference, such as in data acquisition systems, medical instruments, and precision measurement equipment.
Manufacturer
The AD780ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a broad range of integrated circuits used in analog and digital signal processing. The company specializes in products such as data converters, amplifiers, power management devices, and sensors, which are used in various applications including consumer electronics, communications, healthcare, automotive, and industrial markets.
Application
The AD780ARZ is a high-precision voltage reference used in a variety of applications. It is commonly employed in data acquisition systems, where accurate and stable voltage references are essential for analog-to-digital converters (ADCs). Additionally, it finds use in instrumentation and test equipment, where precision voltage measurement is crucial. The AD780ARZ is also used in calibration equipment, ensuring consistent performance across different devices. Other application areas include sensor conditioning, where it provides a stable reference voltage for sensor outputs, and in power supply systems, offering a precise voltage reference to improve regulation. Its low temperature coefficient and high accuracy make it suitable for any application requiring a reliable voltage reference.
Package
The AD780ARZ is a precision voltage reference device from Analog Devices, and it comes in an SOIC (Small Outline Integrated Circuit) package, specifically a narrow-body SOIC-8. This package type is designed for surface mounting on printed circuit boards.
