Overview
The TL4050A50QDBZRQ1 is a precision micropower shunt voltage reference from Texas Instruments. This device is part of the TL4050-Q1 family, known for its versatility and ease of use in a wide array of applications. It is a two-terminal fixed-output device that does not require external capacitors for operation and is stable with all capacitive loads. The TL4050A50QDBZRQ1 offers low dynamic impedance, low noise, and a low temperature coefficient, ensuring a stable output voltage over a wide range of operating currents and temperatures.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Max | |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage (VZ) | IZ = 100 μA, 25°C | V | 4.9 | 5 | 5.1 |
| 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, Full Range | ppm/°C | -20 | - | 20 |
| Reverse Dynamic Impedance (ZZ) | IZ = 1 mA, f = 120 Hz, 25°C | Ω | 0.7 | - | - |
| Wideband Noise (eN) | 10 Hz ≤ f ≤ 10 kHz, 25°C | μVRMS | 41 | - | - |
Key Features
- Available in extended temperature range: –40°C to 125°C, qualified for automotive applications.
- Fixed output voltages of 2.048 V, 2.5 V, 4.096 V, and 5 V.
- Tight output tolerances: 0.1% (A grade), 0.2% (B grade), and 0.5% (C grade).
- Low output noise: 41 μVRMS typical.
- Wide operating current range: 60 μA to 15 mA typical.
- Stable with all capacitive loads; no output capacitor required.
- Low dynamic impedance and low temperature coefficient.
- Space-saving SOT-23-3 and SC-70 packages.
Applications
- Data-acquisition systems.
- Power supplies and power-supply monitors.
- Instrumentation and test equipment.
- Process controls.
- Precision audio.
- Automotive electronics.
- Energy management.
- Battery-powered equipment.
Q & A
- What is the TL4050A50QDBZRQ1 used for? The TL4050A50QDBZRQ1 is a precision micropower shunt voltage reference used in various applications such as data-acquisition systems, power supplies, and instrumentation.
- What are the available output voltages for the TL4050-Q1 family? The TL4050-Q1 family offers fixed output voltages of 2.048 V, 2.5 V, 4.096 V, and 5 V.
- What is the temperature range for the TL4050A50QDBZRQ1? The device operates over an ambient temperature range of –40°C to 125°C.
- Does the TL4050A50QDBZRQ1 require an external capacitor for stability? No, the TL4050A50QDBZRQ1 does not require an external capacitor for stability and is stable with all capacitive loads.
- What are the typical operating current ranges for the TL4050A50QDBZRQ1? The device operates within a current range of 60 μA to 15 mA typical.
- What is the typical wideband noise of the TL4050A50QDBZRQ1? The typical wideband noise is 41 μVRMS.
- What are the package options for the TL4050A50QDBZRQ1? The device is available in SOT-23-3 and SC-70 packages.
- Is the TL4050A50QDBZRQ1 suitable for automotive applications? Yes, it is qualified for automotive applications.
- What is the reverse dynamic impedance of the TL4050A50QDBZRQ1? The reverse dynamic impedance is typically 0.7 Ω at 120 Hz and 25°C.
- How does the TL4050A50QDBZRQ1 handle thermal hysteresis? The device has a thermal hysteresis of 0.7 mV over the temperature range of –40°C to 125°C.
