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ADR434TRZ-EP
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Product Detailed Parameters
- Description：IC VREF SERIES 0.04% 8SOIC
- Series：XFET®
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：4.096V
- Voltage - Output (Max)：-
- Current - Output：10 mA
- Operating Temperature：-55°C ~ 125°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 ADR434TRZ-EP is a low noise XFET voltage reference featuring high accuracy and low temperature drift. It provides a nominal output voltage of 4.096 V with an initial accuracy of ±1.5 mV (±0.04%). The device operates within a supply voltage range of 6.1 V to 18 V, drawing a typical quiescent current of 800 µA. It supports military temperature specifications from −55°C to +125°C and offers a maximum temperature coefficient of 3 ppm/°C.
Feature Summary
- Utilizes patented XFET technology for minimized voltage change versus temperature nonlinearity
- Capable of sourcing up to +10 mA and sinking up to -10 mA output current
- Includes a trim terminal for adjusting output voltage over a 0.5% range without compromising performance
- Requires no external capacitor for operation
Applications
- Precision data acquisition systems
- High resolution data converters
- Optical control circuits
- Precision instruments
Procurement Notes
Verify the specific suffix TRZ-EP indicates RoHS compliance and enhanced product features suitable for defense or aerospace applications. Confirm that the ordering quantity matches the required tape and reel format. Ensure the component meets the controlled manufacturing baseline and qualification data requirements specified for AQEC standards before finalizing procurement.
Selection Notes
Select this component when a stable 4.096 V reference is needed in environments requiring military-grade temperature stability. The wide supply voltage range allows flexibility in system design. Consider the trim pin functionality if precise voltage adjustment is necessary. Verify that the package dimensions fit the available PCB space.
Part Context
This part belongs to the ADR431-EP/ADR434-EP/ADR435-EP series of XFET voltage references. These devices are designed to offer superior noise performance and lower power consumption compared to traditional buried Zener references. The EP designation signifies enhanced product features including controlled manufacturing and military temperature ranges.
Replacement Considerations
ADR434BRZ is a commercial grade alternative with similar electrical characteristics but lacks the military temperature range and enhanced product features.
