Overview
The TL4050C50QDBZRQ1 is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for high accuracy and stability, making it suitable for various applications requiring precise voltage referencing. It is part of the TL4050 series, which offers fixed output voltages and is known for its low power consumption and robust performance across a wide temperature range.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Max | |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage (VZ) | IZ = 100 μA, 25°C | V | 5 | 5 | 5 |
| Reverse Breakdown Voltage Tolerance (ΔVZ) | IZ = 100 μA, Full Range | mV | -30 | - | 30 |
| Minimum Cathode Current (IZ,min) | Full Range | μA | 90 | - | - |
| Average Temperature Coefficient of Reverse Breakdown Voltage (αVZ) | IZ = 100 μA, 25°C | ppm/°C | ±20 | - | ±20 |
| Reverse Dynamic Impedance (ZZ) | IZ = 1 mA, f = 120 Hz, 25°C | Ω | 0.7 | - | - |
| Wideband Noise (eN) | IZ = 100 μA, 10 Hz ≤ f ≤ 10 kHz, 25°C | μVRMS | 150 | - | - |
| Long-term Stability of Reverse Breakdown Voltage | t = 1000 h, TA = 25°C ± 0.1°C, IZ = 100 μA | ppm | 120 | - | - |
| Thermal Hysteresis (VHYST) | ΔTA = –40°C to 125°C | mV | 2.8 | - | - |
Key Features
- Precision Voltage Reference: The TL4050C50QDBZRQ1 offers a precise 5V output voltage with a tolerance of ±0.5%.
- Low Power Consumption: This component is designed for micropower applications, making it suitable for battery-powered devices.
- Wide Temperature Range: Operates over an extended temperature range of –40°C to 125°C.
- Low Temperature Coefficient: The average temperature coefficient of the reverse breakdown voltage is ±20 ppm/°C.
- High Stability: Exhibits long-term stability and low thermal hysteresis, ensuring consistent performance.
- Compact Package: Available in a 3-SOT-23 package, making it ideal for space-constrained designs.
Applications
- Data-Acquisition Systems: Used in data acquisition systems where precise voltage referencing is crucial.
- Power Supplies and Power-Supply Monitors: Ideal for power supply designs and monitoring applications due to its high accuracy and stability.
- Automotive Systems: Qualified for automotive applications, ensuring reliability in harsh environments.
- Industrial and Medical Devices: Suitable for various industrial and medical devices requiring precise voltage references.
Q & A
- What is the output voltage of the TL4050C50QDBZRQ1?
The output voltage of the TL4050C50QDBZRQ1 is 5V with a tolerance of ±0.5%.
- What is the operating temperature range of this component?
The TL4050C50QDBZRQ1 operates over an extended temperature range of –40°C to 125°C.
- What is the minimum cathode current required for the TL4050C50QDBZRQ1?
The minimum cathode current (IZ,min) is 90 μA.
- What is the average temperature coefficient of the reverse breakdown voltage?
The average temperature coefficient (αVZ) is ±20 ppm/°C.
- What is the typical reverse dynamic impedance of the TL4050C50QDBZRQ1?
The typical reverse dynamic impedance (ZZ) is 0.7 Ω at 1 mA and 120 Hz.
- How much wideband noise does the TL4050C50QDBZRQ1 exhibit?
The wideband noise (eN) is 150 μVRMS over the frequency range of 10 Hz to 10 kHz.
- What is the long-term stability of the reverse breakdown voltage?
The long-term stability is 120 ppm over 1000 hours at 25°C ± 0.1°C.
- What is the thermal hysteresis of the TL4050C50QDBZRQ1?
The thermal hysteresis (VHYST) is 2.8 mV over the temperature range of –40°C to 125°C.
- In what package is the TL4050C50QDBZRQ1 available?
The TL4050C50QDBZRQ1 is available in a 3-SOT-23 package.
- Is the TL4050C50QDBZRQ1 suitable for automotive applications?
Yes, the TL4050C50QDBZRQ1 is qualified for automotive applications.
