LM385MX-2.5/NOPB

Product Overview

Category

The LM385MX-2.5/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• Provides a stable and accurate output voltage of 2.5V.
• Low temperature coefficient ensures minimal voltage drift over a wide temperature range.
• High initial accuracy guarantees precise voltage reference.
• Low power consumption makes it suitable for battery-powered applications.

Package

The LM385MX-2.5/NOPB comes in a small outline package (SOIC) with eight pins.

Essence

The essence of LM385MX-2.5/NOPB lies in its ability to provide a reliable and precise voltage reference, ensuring consistent performance in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Supply Voltage Range: 1.9V to 5.5V
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM385MX-2.5/NOPB has the following pin configuration:

```

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| | --| Vout | --| | --| GND | --| | --| Vin | --| | --| NC | --| | |___________| ```

Functional Features

• Precise Voltage Reference: The LM385MX-2.5/NOPB provides a stable and accurate output voltage of 2.5V, ensuring reliable performance in voltage-sensitive applications.
• Low Temperature Coefficient: With a temperature coefficient of 20ppm/°C, this voltage reference minimizes voltage drift over a wide temperature range, maintaining consistent output.
• Low Power Consumption: The LM385MX-2.5/NOPB operates with a low quiescent current of 120µA, making it suitable for power-constrained applications.

Advantages and Disadvantages

Advantages

• High initial accuracy ensures precise voltage reference.
• Low temperature coefficient minimizes voltage drift.
• Wide supply voltage range allows flexibility in various applications.
• Small package size enables space-saving designs.
• Low power consumption extends battery life.

Disadvantages

• Limited output voltage options (only 2.5V).
• Not suitable for applications requiring higher output voltages.

Working Principles

The LM385MX-2.5/NOPB is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable and accurate output voltage. By carefully designing the internal circuitry, the LM385MX-2.5/NOPB achieves a low temperature coefficient and high initial accuracy.

Detailed Application Field Plans

The LM385MX-2.5/NOPB finds application in various electronic systems where a precise and stable voltage reference is required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversion of analog signals.
2. Voltage Regulators: Ensures a reliable and constant voltage supply for other components in the system.
3. Sensor Circuits: Offers a precise reference voltage for sensor calibration and measurement accuracy.
4. Battery-Powered Devices: Enables efficient power management by providing a stable voltage reference for battery monitoring and control circuits.
5. Precision Instrumentation: Used in precision measurement equipment, such as multimeters and oscilloscopes, to maintain accurate voltage references.

Detailed and Complete Alternative Models

1. LM4040: A series of precision voltage references with various output voltage options.
2. LT6654: Ultra-precision voltage reference with low temperature drift and high initial accuracy.
3. REF5025: High-accuracy voltage reference with low noise and excellent long-term stability.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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