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ADR423ARM
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Product Detailed Parameters
- Description：IC VREF SERIES PREC 3V 8-MSOP
- Series：XFET®
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The ADR423ARM is a second-generation XFET voltage reference providing a nominal 3.00 V output in an 8-lead MSOP package. It features a maximum quiescent current of 500 µA and supports a maximum load current of 10 mA. The device operates within a supply voltage range of 5 V to 18 V, maintaining stability across an extended industrial temperature range from -40°C to +125°C.
Feature Summary
- Utilizes patented eXtra implanted junction FET (XFET) technology for superior accuracy and thermal hysteresis compared to band gap references.
- Incorporates a dedicated trim terminal allowing output voltage adjustment over a ±0.5% range without compromising temperature coefficient performance.
- Features low noise characteristics and long-term stability suitable for precision conversion applications.
Applications
- Precision data acquisition systems
- High resolution converters
- Optical network control circuits
Procurement Notes
Verify the specific suffix against official documentation to confirm package type and reel specifications. Confirm availability status with authorized distributors as supply conditions may vary. Ensure the ordering code matches the required electrical grade and initial accuracy specifications for the target application.
Selection Notes
Select this component when a stable 3.00 V reference is required with minimal power consumption. The MSOP footprint offers a compact solution for space-constrained designs. Consider the trim pin utility if system-level calibration is necessary to compensate for external circuit errors.
Part Context
This part belongs to the ADR42x series of ultraprecision voltage references manufactured by Analog Devices. The series includes variants with different nominal output voltages, such as 2.048 V, 2.500 V, and 5.00 V, all sharing similar low-noise XFET architectures and operating characteristics.
Replacement Considerations
ADR423ARZ
FAQ
How does the XFET architecture differ from standard band gap references?
The XFET architecture uses two junction field-effect transistors with different pinch-off voltages to generate a reference voltage. This results in lower noise and better thermal hysteresis compared to traditional band gap references.
What is the function of the TRIM pin on the ADR423ARM?
The TRIM pin allows the user to adjust the output voltage over a ±0.5% range. This feature enables system designers to trim out system errors without affecting the device's temperature coefficient.
