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AD680ARZ
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Product Detailed Parameters
- Description：IC VREF SERIES 0.2% 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：10 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The AD680ARZ is a band gap voltage reference providing a fixed 2.5 V output from input voltages between 4.5 V and 36 V. It features a maximum quiescent current of 250 μA, an initial accuracy of ±5 mV (±0.2%), and a temperature coefficient of 20 ppm/°C. The device operates within a specified temperature range of -40°C to +85°C. It includes a dedicated temperature output pin on the 8-lead package for transducer applications.
Feature Summary
- Laser trimmed for high initial accuracy and low temperature drift without external components
- Low noise performance suitable for precision data converter references
- Integrated temperature output pin enables configuration as a temperature transducer
Applications
- Portable equipment power supplies
- Reference for ADCs and DACs
- Differential temperature transducers
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and lead-free status. Ensure the selected grade matches the required operating temperature range and accuracy specifications for the target application environment.
Selection Notes
Select this component when a stable 2.5 V reference with low power consumption is required. The 8-lead SOIC package provides surface-mount capability and includes a temperature output pin not available in other package styles. Verify that the input voltage remains within the 4.5 V to 36 V operational limits.
Part Context
The AD680 series consists of band gap voltage references available in multiple grades and packages. The AR variant specifically denotes the 8-lead SOIC package option designed for surface-mount assembly. This family offers a complete solution rivaling incomplete two-terminal references while maintaining superior DC characteristics.
Replacement Considerations
AD680ANZ
FAQ
What is the function of Pin 3 on the 8-lead package?
Pin 3 is the Temperature Output (TEMP) pin, which provides a voltage linearly proportional to temperature at a sensitivity of 2 mV/°C.
How does the AD680 handle transient loads?
The output stage is designed for superior dynamic load regulation. A series resistor or a capacitor connected from the output to ground can be used to decouple the reference from fast transients.
