Overview
The TL4050C41QDBZR is a precision micropower shunt voltage reference produced by Texas Instruments. This device is part of the TL4050 series, known for its versatility and ease of use in a wide array of applications. The TL4050C41QDBZR offers a fixed output voltage of 4.096 V and is characterized for operation over an extended temperature range of –40°C to 125°C. It is packaged in the space-saving SOT-23-3 package, making it ideal for portable and compact designs.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Max | |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage (VZ) | IZ = 100 µA, 25°C | V | 4.096 | 4.096 | 4.096 |
| Reverse Breakdown Voltage Tolerance (ΔVZ) | IZ = 100 µA, Full Range | mV | -25 | - | 25 |
| Minimum Cathode Current (IZ,min) | Full Range | µA | 52 | 68 | 68 |
| Wideband Noise (eN) | 10 Hz ≤ f ≤ 10 kHz, 25°C | µVRMS | 41 | - | 41 |
| Long-term Stability of Reverse Breakdown Voltage | t = 1000 h, TA = 25°C ± 0.1°C | ppm | 120 | - | 120 |
| Thermal Hysteresis (VHYST) | ΔTA = –40°C to 125°C | mV | 0.7 | - | 0.7 |
| Operating Temperature Range | - | °C | -40 | - | 125 |
| Package Type | - | - | - | SOT-23-3 | - |
Key Features
- Fixed Output Voltages: Available in fixed output voltages of 2.5 V, 4.096 V, 5 V, and 10 V.
- Low Output Noise: Typical wideband noise of 41 µVRMS.
- Wide Operating Current Range: Operates with a cathode current range of 60 µA to 15 mA.
- No External Capacitor Required: Stable with all capacitive loads without the need for an output capacitor.
- High Accuracy and Stability: Initial tolerance as low as 0.1% (A grade) and a temperature coefficient of ±50 ppm/°C.
- Compact Packaging: Available in space-saving SOT-23-3 and SC-70 packages.
- Extended Temperature Range: Characterized for operation over –40°C to 125°C.
Applications
- Data-Acquisition Systems: Ideal for 12-bit data-acquisition systems, such as those using the ADS7842.
- Power Supplies and Power-Supply Monitors: Used in power supply designs and monitoring applications.
- Battery-Powered Equipment: Suitable for portable and battery-powered devices due to its low power consumption.
- ADCs and DACs: Can be used with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) for precise voltage referencing.
Q & A
- What is the output voltage of the TL4050C41QDBZR?
The output voltage of the TL4050C41QDBZR is 4.096 V.
- What is the operating temperature range of the TL4050C41QDBZR?
The TL4050C41QDBZR operates over an extended temperature range of –40°C to 125°C.
- Does the TL4050C41QDBZR require an external capacitor for stability?
No, the TL4050C41QDBZR does not require an external capacitor for stability and is designed to be stable with all capacitive loads.
- What is the typical wideband noise of the TL4050C41QDBZR?
The typical wideband noise of the TL4050C41QDBZR is 41 µVRMS.
- What is the minimum cathode current required for the TL4050C41QDBZR?
The minimum cathode current required for the TL4050C41QDBZR is 52 µA.
- What are the available packages for the TL4050 series?
The TL4050 series is available in SOT-23-3 and SC-70 packages.
- What is the long-term stability of the reverse breakdown voltage for the TL4050C41QDBZR?
The long-term stability of the reverse breakdown voltage for the TL4050C41QDBZR is 120 ppm over 1000 hours at 25°C ± 0.1°C.
- What is the thermal hysteresis of the TL4050C41QDBZR?
The thermal hysteresis of the TL4050C41QDBZR is 0.7 mV over the temperature range of –40°C to 125°C.
- Can the TL4050C41QDBZR be used in data-acquisition systems?
Yes, the TL4050C41QDBZR is ideal for 12-bit data-acquisition systems.
- Is the TL4050C41QDBZR suitable for battery-powered equipment?
Yes, the TL4050C41QDBZR is suitable for battery-powered equipment due to its low power consumption and compact packaging.
