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Product Detailed Parameters
- Description：IC VREF SERIES 0.025% 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：5 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- 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 LTC6655BHMS8-2.5#PBF is a precision bandgap voltage reference providing a fixed 2.5V output with ±0.025% initial accuracy and a maximum temperature coefficient of 2ppm/°C. It operates from a supply voltage between VOUT + 0.5V and 13.2V, drawing 7.5mA typical supply current. The device features low noise (0.25ppm P-P at 0.1Hz to 10Hz) and supports ±5mA source/sink currents. It includes a shutdown mode consuming less than 20µA and is housed in an 8-lead MSOP package.
Feature Summary
- Advanced curvature compensation ensures predictable temperature characteristics and high accuracy.
- Superior load regulation and line rejection maintain performance across wide operating conditions.
- Integrated shutdown mode significantly reduces power consumption for battery-powered applications.
Applications
- Instrumentation and test equipment
- High resolution data acquisition systems
- Precision battery monitors
Procurement Notes
Verify the specific suffix #PBF indicates tube packaging rather than tape and reel. Confirm the 'B' grade designation matches the required ±0.025% accuracy specification. Ensure the 8-lead MSOP package dimensions align with the target PCB footprint. Check for RoHS compliance status on the official datasheet before finalizing procurement.
Selection Notes
Select this component when ultra-low drift and high accuracy are critical for system calibration. The fixed 2.5V output eliminates the need for external trimming resistors. Consider the thermal hysteresis specifications if the application involves significant temperature cycling. Verify that the input voltage range accommodates the minimum dropout requirement of 0.5V above the output.
Part Context
This part belongs to the LTC6655 family of precision references designed for demanding automotive and industrial environments. It is fully specified over the –40°C to 125°C temperature range. The family offers various output voltages and packages, including hermetic LS8 options for enhanced stability. This specific model represents the standard plastic MSOP variant with B-grade accuracy.
Replacement Considerations
LTC6655CHMS8-2.5#PBF offers C-grade accuracy with 0.05% tolerance and 5ppm/°C drift. LTC6655LNBHMS8-2.5#PBF provides lower noise performance via a dedicated noise reduction pin. Both alternatives maintain the same pinout and electrical interface for direct substitution.
