Overview
The LM336Z-2.5/LFT3 is a precision 2.5V shunt voltage reference diode manufactured by Texas Instruments. This monolithic IC is designed to operate as a low-temperature-coefficient 2.5V zener diode with a dynamic impedance of 0.2Ω. It is part of the LM336 series, known for its stability and ease of use in various electronic circuits.
The device is particularly useful in applications requiring a stable voltage reference, such as in digital voltmeters, power supplies, and op-amp circuitry. Its wide operating current range of 400 μA to 10 mA makes it versatile for different circuit designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage | 2.5 | V |
| Operating Current Range | 400 μA to 10 mA | A |
| Dynamic Impedance | 0.2 | Ω |
| Initial Tolerance | ±1% | |
| Temperature Stability | Specified over temperature range | |
| Operating Temperature Range | 0°C to +70°C | °C |
| Package Type | TO-92-3 |
Key Features
- Precision Voltage Reference: Provides a stable 2.5V reference voltage.
- Low Temperature Coefficient: Ensures minimal voltage drift with temperature changes.
- Wide Operating Current Range: Operates from 400 μA to 10 mA, making it suitable for various applications.
- Low Dynamic Impedance: 0.2Ω dynamic impedance for stable operation.
- Easily Trimmed for Minimum Temperature Drift: Allows for adjustment of the reference voltage and temperature coefficient.
- Shunt Regulator Capability: Can be used as either a positive or negative voltage reference.
Applications
- Digital Voltmeters: Provides a stable reference voltage for accurate measurements.
- Power Supplies: Used in voltage regulation circuits to ensure stable output voltages.
- Op-Amp Circuitry: Serves as a reliable reference voltage in operational amplifier circuits.
- General Electronic Circuits: Suitable for any application requiring a stable and precise voltage reference.
Q & A
- What is the reference voltage of the LM336Z-2.5/LFT3?
The reference voltage is 2.5V.
- What is the operating current range of the LM336Z-2.5/LFT3?
The operating current range is from 400 μA to 10 mA.
- What is the dynamic impedance of the LM336Z-2.5/LFT3?
The dynamic impedance is 0.2Ω.
- What is the initial tolerance of the LM336Z-2.5/LFT3?
The initial tolerance is ±1%.
- What is the operating temperature range of the LM336Z-2.5/LFT3?
The operating temperature range is from 0°C to +70°C.
- Can the LM336Z-2.5/LFT3 be trimmed for minimum temperature drift?
- What package type is the LM336Z-2.5/LFT3 available in?
The LM336Z-2.5/LFT3 is available in the TO-92-3 package type.
- Can the LM336Z-2.5/LFT3 be used as a shunt regulator?
- What are some common applications of the LM336Z-2.5/LFT3?
- How does the LM336Z-2.5/LFT3 compare to ordinary zener diodes?
The LM336Z-2.5/LFT3 is easier to use and has a lower impedance and wider operating current range compared to ordinary zener diodes.
