Overview
The LM336MX-2.5/NOPB is a precision 2.5V shunt regulator diode produced by Texas Instruments. This monolithic integrated circuit operates as a low-temperature-coefficient 2.5V zener diode with a dynamic impedance of 0.2Ω. It is part of the LM336 series, which is designed for use in a wide range of applications requiring stable voltage references.
The device is available in an SOIC package and is rated for operation over a temperature range of 0°C to +70°C. It is particularly useful in circuits where a stable and precise voltage reference is necessary, such as in digital voltmeters, power supplies, and op-amp circuitry.
Key Specifications
| Parameter | Conditions | Min | Typ | Max |
|---|---|---|---|---|
| Reverse Breakdown Voltage | TA=25°C, IR=1 mA | 2.390V | 2.490V | 2.590V |
| Reverse Breakdown Voltage Change with Current | 400 μA≤IR≤10 mA | 2.6 mV | 6 mV | 10 mV |
| Reverse Dynamic Impedance | TA=25°C, IR=1 mA, f = 100 Hz | 0.2Ω | 0.4Ω | 1.4Ω |
| Temperature Stability | 0°C≤TA≤70°C | 1.8 mV | 6 mV | - |
| Operating Temperature Range | - | - | 0°C to +70°C | - |
| Storage Temperature | - | -60°C | - | +150°C |
| Forward Current | - | - | - | 10 mA |
| Reverse Current | - | - | - | 15 mA |
Key Features
- Precision 2.5V Reference: The LM336MX-2.5/NOPB provides a precise 2.5V voltage reference with low temperature coefficient.
- Wide Operating Current Range: Operates over a wide current range of 400 μA to 10 mA.
- Low Dynamic Impedance: Features a dynamic impedance of 0.2Ω, making it suitable for various circuit applications.
- Temperature Stability: Specified temperature stability over the operating temperature range ensures consistent performance.
- Easily Trimmed for Minimum Temperature Drift: The device can be easily trimmed to minimize temperature drift using external components.
- Fast Turn-On: Quick turn-on time makes it suitable for applications requiring rapid response.
Applications
- Digital Voltmeters: Used as a stable voltage reference in digital voltmeters.
- Power Supplies: Employed in power supply circuits to provide a stable voltage reference.
- Op-Amp Circuitry: Utilized in op-amp circuits where a precise voltage reference is required.
- General Voltage Reference: Can be used as a positive or negative voltage reference in various electronic circuits.
Q & A
- What is the operating temperature range of the LM336MX-2.5/NOPB?
The operating temperature range is 0°C to +70°C.
- What is the reverse breakdown voltage of the LM336MX-2.5/NOPB?
The reverse breakdown voltage is typically 2.490V, with a range of 2.390V to 2.590V.
- What is the dynamic impedance of the LM336MX-2.5/NOPB?
The dynamic impedance is typically 0.2Ω.
- Can the LM336MX-2.5/NOPB be trimmed for minimum temperature drift?
- What is the storage temperature range for the LM336MX-2.5/NOPB?
The storage temperature range is −60°C to +150°C.
- What are the typical applications of the LM336MX-2.5/NOPB?
Typical applications include digital voltmeters, power supplies, op-amp circuitry, and general voltage reference circuits.
- What is the forward current limit of the LM336MX-2.5/NOPB?
The forward current limit is 10 mA.
- What is the reverse current limit of the LM336MX-2.5/NOPB?
The reverse current limit is 15 mA.
- What package type is the LM336MX-2.5/NOPB available in?
The device is available in an SOIC package.
- How can the temperature coefficient of the LM336MX-2.5/NOPB be minimized?
The temperature coefficient can be minimized by adjusting the device with external components, such as silicon signal diodes, as shown in the datasheet.
