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Product Detailed Parameters
- Description：IC VREF SERIES 0.12% 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：15 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 MAX6225BESA+ is a buried-zener series voltage reference providing a fixed 2.500V output in an 8-pin SO package. It operates within an extended temperature range of -40°C to +85°C and accepts input voltages from 8V to 36V. The device guarantees ±0.12% initial accuracy with a maximum temperature coefficient of 7ppm/°C. Supply current is limited to 3mA, while the output supports source and sink currents up to 15mA.
Feature Summary
- Utilizes buried-zener technology for low-noise performance
- Provides external trimming capability via dedicated pin
- Supports optional noise reduction through NR pin
- Remains stable under all capacitive load conditions
Applications
- High-resolution analog-to-digital converters
- Digital-to-analog converter systems
- Precision industrial process control equipment
- High-accuracy digital voltmeters
- Automated test equipment
Procurement Notes
Verify the specific suffix indicates the lead-free RoHS-compliant variant. Confirm the 'E' designation matches the required -40°C to +85°C operating range. Ensure the 'B' grade aligns with the necessary ±0.12% accuracy specification. Validate the SOIC-8 package footprint against board layout requirements before finalizing procurement orders.
Selection Notes
Select this component when high precision and stability are critical for data conversion applications. The buried-zener architecture ensures superior long-term stability compared to bandgap references. Consider the external trim option if tighter tolerance than the standard grade is required. Verify that the input voltage range accommodates the system supply rails effectively.
Part Context
This part belongs to the MAX6225/MAX6241/MAX6250 family of low-noise precision voltage references. While sharing identical pinouts and core technologies, variants differ by output voltage and accuracy grades. The MAX6225 specifically provides a 2.500V output, distinguishing it from the 4.096V and 5.000V options within the same product line.
Replacement Considerations
MAX6225AESA+
FAQ
How does the buried-zener technology benefit this reference?
Buried-zener technology provides significantly lower noise levels and better long-term stability compared to standard bandgap references.
What is the function of the TRIM pin?
The TRIM pin allows for external adjustment of the output voltage using a potentiometer to compensate for minor system errors.
