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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.1% SC70-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SC-70-5
- Grade：-
- Qualification：-
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Overview
The TL4051AQDCKR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It features an adjustable output voltage range from 1.212V to 10V, set via external resistors. The device offers high accuracy with an initial tolerance of ±0.1% and a low temperature coefficient of ±50 ppm/°C. It operates within an extended industrial temperature range of -40°C to 125°C and supports a maximum output current of 12 mA. The component is housed in a compact SC-70-5 surface-mount package.
Feature Summary
- Provides stable voltage reference without requiring external output capacitors across all capacitive load conditions
- Delivers high precision with minimal drift over wide operating temperature ranges
- Operates efficiently with low quiescent current consumption suitable for power-sensitive designs
Applications
- Data acquisition systems
- Power supply monitoring circuits
- Precision audio equipment
- Battery-powered devices
Procurement Notes
Verify the specific suffix 'Q' indicates automotive-grade qualification and 'A' denotes the highest precision tier. Confirm the 'KR' suffix matches the required reel packaging format. Ensure the SC-70-5 footprint aligns with the target PCB layout. Validate RoHS compliance status against current regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when high accuracy and stability are critical in space-constrained applications. The adjustable output allows flexibility for various reference voltage needs. Consider the extended temperature range for harsh environments. Evaluate the low noise characteristics if signal integrity is paramount in sensitive measurement circuits.
Part Context
This part belongs to the TL405x family of micropower shunt references. It shares architectural similarities with fixed-output variants like the TL4050 series but offers greater design flexibility through its adjustable output configuration. The device complements other TI precision analog components in data conversion and sensor interface applications.
Replacement Considerations
Direct substitutes include other TL4051 variants with different tolerances or packages, such as TL4051CIDBZT. Verify pin compatibility and electrical specifications before substitution. Alternative families may require circuit redesign due to differing noise or current characteristics.
