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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.212V
- Voltage - Output (Max)：10 V
- Current - Output：12 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The TL4051CQDBZR is a micropower shunt voltage reference manufactured by Texas Instruments, housed in a compact SOT-23-3 surface-mount package. It provides a fixed output voltage of 1.225 V with an initial accuracy tolerance of ±0.5%. The device operates within an extended temperature range from -40°C to +125°C and supports a maximum cathode current of 12 mA. Designed for high precision, it features a low temperature coefficient of 50 ppm/°C and requires no external capacitors for stability across all capacitive load conditions.
Feature Summary
- Provides stable reference voltage without requiring external output capacitors under any capacitive load condition
- Delivers precise voltage regulation with low noise and low temperature coefficient characteristics
- Operates efficiently at micropower levels with minimal quiescent current consumption
Applications
- Data acquisition systems
- Portable battery-powered equipment
- Process control instrumentation
- Precision audio applications
Procurement Notes
Verify the specific suffix 'Q' indicates automotive qualification status and 'C' denotes the 0.5% accuracy grade. Confirm the 'DBZR' suffix corresponds to the SOT-23-3 package and reel packaging configuration. Ensure compatibility with the required operating temperature range of -40°C to +125°C for the target application environment.
Selection Notes
Select this component when a fixed 1.225V reference is required in a space-constrained design. It is suitable for applications demanding moderate precision (±0.5%) and wide temperature operation. Consider alternatives if higher accuracy grades like A or B are needed, or if a different output voltage is required.
Part Context
This part belongs to the TL4051 family of micropower shunt voltage references. The family offers various accuracy grades (A, B, C) and temperature ranges (I, Q). The TL4051 series is designed to replace older bandgap references while offering improved performance in terms of noise, drift, and power consumption in small packages.
Replacement Considerations
Compatible substitutes include other TL4051 variants such as TL4051AQDBZR or TL4051BQDBZR for tighter tolerances. Cross-reference with similar shunt references from other manufacturers ensuring matching voltage, package, and thermal specifications.
