Overview
The LM385M3-2.5/NOPB is a micropower voltage reference from Texas Instruments, designed to provide a stable 2.5V output voltage. This device is part of the LM385 series, known for its low power consumption and high accuracy, making it suitable for a wide range of applications, including micropower circuitry, portable meters, and general-purpose analog circuitry.
The LM385M3-2.5/NOPB is available in a SOT-23 package, which is compact and ideal for space-constrained designs. It operates over a temperature range of 0°C to 70°C, ensuring reliable performance in various environmental conditions.
Key Specifications
| Parameter | Conditions | Typical Value | Maximum Value |
|---|---|---|---|
| Output Voltage | TA = 25°C, 20 μA ≤ IR ≤ 20 mA | 2.5 V | 2.520 V (Max) |
| Initial Tolerance (A Grade) | - | - | ±20 mV (±0.8%) |
| Operating Current | - | 20 μA to 20 mA | - |
| Dynamic Impedance (A Grade) | IR = 100 μA | 0.6 Ω | - |
| Temperature Coefficient | - | 30 ppm/°C (X Suffix), 50 ppm/°C (Y Suffix), 150 ppm/°C (All Others) | - |
| Operating Temperature Range | - | 0°C to 70°C | - |
| Package Type | - | SOT-23 | - |
Key Features
- Low Power Consumption: The LM385M3-2.5/NOPB has an extremely low power drain, making it ideal for micropower circuitry and battery-powered devices.
- High Accuracy: The device offers a high degree of accuracy with an initial tolerance of ±20 mV (±0.8%) for the A grade.
- Wide Operating Current Range: It can operate with a current range of 20 μA to 20 mA, allowing it to be used in a variety of applications.
- Low Dynamic Impedance: The dynamic impedance is 0.6 Ω, ensuring stable output voltage under varying load conditions.
- Compact Package: The SOT-23 package is compact and suitable for space-constrained designs.
- Temperature Stability: The device has a low temperature coefficient, ensuring minimal drift in output voltage over the operating temperature range.
Applications
- Micropower Circuitry: Ideal for applications where low power consumption is critical, such as in battery-powered devices.
- Portable Meters: Suitable for use in portable measurement instruments due to its low power and high accuracy.
- General-Purpose Analog Circuitry: Can be used in various analog circuits requiring a stable reference voltage.
- Regulators and Voltage References: Can be used to build voltage regulators or as a voltage reference in more complex circuits.
Q & A
- What is the output voltage of the LM385M3-2.5/NOPB?
The output voltage of the LM385M3-2.5/NOPB is 2.5V.
- What is the operating current range of the LM385M3-2.5/NOPB?
The operating current range is from 20 μA to 20 mA.
- What is the initial tolerance of the LM385M3-2.5/NOPB (A Grade)?
The initial tolerance is ±20 mV (±0.8%).
- What is the dynamic impedance of the LM385M3-2.5/NOPB?
The dynamic impedance is 0.6 Ω.
- What is the operating temperature range of the LM385M3-2.5/NOPB?
The operating temperature range is from 0°C to 70°C.
- In what package is the LM385M3-2.5/NOPB available?
The device is available in a SOT-23 package.
- What are some typical applications of the LM385M3-2.5/NOPB?
Typical applications include micropower circuitry, portable meters, and general-purpose analog circuitry.
- How does the LM385M3-2.5/NOPB handle capacitive loading?
The device is exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application.
- What is the temperature coefficient of the LM385M3-2.5/NOPB?
The temperature coefficient is 30 ppm/°C (X Suffix), 50 ppm/°C (Y Suffix), and 150 ppm/°C (All Others).
- Does the LM385M3-2.5/NOPB have built-in ESD protection?
The device has limited built-in ESD protection and requires careful handling to prevent electrostatic damage.
