LM385Z-2.5

Overview

Product Category

LM385Z-2.5 belongs to the category of voltage references.

Use

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

Characteristics

LM385Z-2.5 exhibits the following characteristics: - Output Voltage: 2.5V - Low Temperature Coefficient: ±20ppm/°C - Low Quiescent Current: 120µA - Wide Operating Range: 1.2V to 5.5V - High Initial Accuracy: ±0.5%

Package

The LM385Z-2.5 is available in a TO-92 package, which is a small plastic package with three leads.

Essence

The essence of LM385Z-2.5 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

LM385Z-2.5 is typically packaged in reels or tubes, containing a quantity of 1000 units per reel/tube.

Specifications

The specifications of LM385Z-2.5 are as follows:

• Output Voltage: 2.5V ±0.5%
• Temperature Coefficient: ±20ppm/°C (maximum)
• Quiescent Current: 120µA (maximum)
• Operating Range: 1.2V to 5.5V
• Line Regulation: 0.01%/V (maximum)
• Load Regulation: 0.1%/mA (maximum)

Detailed Pin Configuration

The LM385Z-2.5 has three pins, each serving a specific purpose:

1. Vout: This pin provides the output voltage of 2.5V.
2. GND: This pin is connected to the ground reference.
3. Vin: This pin is connected to the input voltage source.

Functional Features

LM385Z-2.5 offers the following functional features:

1. Precision Voltage Reference: It provides a stable and accurate 2.5V reference voltage.
2. Low Quiescent Current: The device consumes low current, making it suitable for battery-powered applications.
3. Wide Operating Range: It can operate within a wide voltage range of 1.2V to 5.5V.
4. Low Temperature Coefficient: The temperature coefficient is kept minimal to ensure stability across varying temperatures.

Advantages and Disadvantages

Advantages

• High initial accuracy ensures precise voltage reference.
• Low quiescent current consumption extends battery life.
• Wide operating range allows flexibility in various applications.
• Small package size enables space-saving designs.

Disadvantages

• Limited output voltage options restricts certain applications requiring different reference voltages.
• Relatively higher cost compared to some other voltage references.

Working Principles

The LM385Z-2.5 operates based on the bandgap reference principle. It utilizes a combination of bipolar and CMOS technologies to achieve a stable and accurate output voltage of 2.5V. The internal circuitry compensates for temperature variations, ensuring a low temperature coefficient and high precision.

Detailed Application Field Plans

LM385Z-2.5 finds applications in various fields, including but not limited to: - Precision analog circuits - Voltage regulators - Data acquisition systems - Battery-powered devices - Test and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LM385Z-2.5 are: - LM4040 - LT1004 - REF02 - MAX6126

These alternatives provide different output voltage options, improved specifications, or additional features, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, LM385Z-2.5 is a precision voltage reference that offers stable and accurate 2.5V output. Its low quiescent current, wide operating range, and small package size make it suitable for various applications. However, designers should consider alternative models based on specific needs.