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Product Detailed Parameters
- Description：IC VREF SERIES 0.1% 8SOIC
- Series：REF19
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：30 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 REF195FSZ is a precision micropower, low dropout voltage reference from the Analog Devices REF19x series. It provides a nominal output voltage of 5.0 V with an initial accuracy of ±2 mV maximum and a temperature coefficient of 5 ppm/°C maximum. The device operates within an extended industrial temperature range of −40°C to +85°C. Key electrical specifications include a maximum supply current of 45 μA, a sleep mode current of 15 μA, and a high output current capability of 30 mA.
Feature Summary
- Utilizes patented temperature drift curvature correction circuitry and laser trimming for high stability.
- Features a dedicated SLEEP pin that reduces supply current when enabled by TTL or CMOS logic levels.
- Incorporates short-circuit protection to safeguard the device during output faults.
Applications
- Portable instruments
- ADCs and DACs
- Smart sensors
- Solar powered applications
Procurement Notes
Verify the specific grade suffix (F) against the manufacturer's ordering guide to confirm the exact initial accuracy and temperature coefficient specifications. Ensure the package type matches the required PCB footprint, as availability varies between SOIC, TSSOP, and PDIP options. Confirm RoHS compliance status through official documentation before finalizing procurement.
Selection Notes
Select this component when a stable 5.0 V reference is required in space-constrained designs due to its micropower consumption. Consider the low dropout characteristic for battery-operated systems where supply voltage may approach the output level. Evaluate the noise performance and long-term stability requirements against the specific application needs.
Part Context
The REF195FSZ belongs to the REF19x family of band gap voltage references. This series is characterized by its use of thin-film resistors and advanced curvature correction techniques to achieve superior performance compared to standard references. The 'FSZ' designation indicates a specific electrical grade and packaging configuration within the broader product line.
Replacement Considerations
Direct replacements within the same family include REF195ESZ and REF195GSZ, which offer different accuracy grades. Verify that any substitute maintains the required 5.0 V output and compatible package dimensions for direct board replacement.
