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AD780AR
+NomenclatureIC VREF SERIES 0.2%/0.17% 8SOIC
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #AD780AR
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Package SOIC-8
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En stock6622
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Spécifications
| Attribut | Valeur |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| 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) |
Présentation
Description
Equivalent
1. LT1021 from Linear Technology/Analog Devices
2. LM4040 from Texas Instruments
3. REF02 from Texas Instruments
4. ADR02 from Analog Devices
5. MAX6037 from Maxim Integrated
These alternatives offer similar functionality in terms of voltage reference stability and precision, but it's important to verify the specific characteristics and pin compatibility for your application.
Features
1. Output Voltage Options: Available in 2.5 V and 3.0 V outputs, allowing flexibility based on application needs.
2. High Accuracy: Provides an initial accuracy of ±2 mV for the 2.5 V output and ±2.4 mV for the 3.0 V output, minimizing the need for calibration.
3. Low Drift: Exhibits a temperature coefficient of 3 ppm/°C, ensuring stable performance across a wide temperature range.
4. Low Output Noise: Has low output noise of 100 nV/√Hz, which is critical for maintaining signal integrity in sensitive applications.
5. Wide Supply Range: Operates effectively over a 4 V to 36 V supply range, making it suitable for various power supply environments.
6. Low Power Consumption: Consumes only 1 mA of current, ideal for battery-powered and low-power applications.
7. Short-Circuit Protection: Built-in short-circuit protection enhances reliability by safeguarding the device from damage under fault conditions.
These features make the AD780AR suitable for precision measurement, data acquisition systems, and other applications demanding reliable voltage reference.
Pinout
1. Pin 1 (V+): Positive supply voltage.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (NC): No connection, often used for mechanical stability in PCB layout.
4. Pin 4 (TRIM/NC): Optional trim pin for adjusting the output voltage; might be NC in some versions.
5. Pin 5 (FB): Feedback pin, used in some configurations for output adjustment.
6. Pin 6 (VIN): Input voltage.
7. Pin 7 (VOUT): Output voltage of the reference.
8. Pin 8 (NC): No connection, similar use as Pin 3.
The AD780AR provides a precise reference voltage of either 2.5V or 3.0V, depending on the configuration, and is known for its low temperature coefficient and high initial accuracy, making it suitable for precision applications.
Manufacturer
Application
1. Data Acquisition Systems: To ensure accurate and stable reference voltages for ADCs.
2. Instrumentation: Used in precision measuring instruments for stable voltage references.
3. Calibration Equipment: Provides a reliable standard for calibrating other devices.
4. Industrial Control Systems: Ensures consistency in control systems by providing stable voltage references.
5. Medical Devices: Used in sensitive equipment where precision is critical.
6. Power Supplies: Ensures output voltage stability in regulated power supplies.
Its low drift, high accuracy, and wide temperature range make it suitable for these precision-demanding applications.