LM285Z-2.5#PBF

Overview

Product Category: Voltage Reference

Use: The LM285Z-2.5#PBF is a precision voltage reference diode that provides a stable and accurate 2.5V output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Characteristics: - Precision voltage reference - Output voltage: 2.5V - Low temperature coefficient - High accuracy - Low power consumption

Package: The LM285Z-2.5#PBF is available in a TO-92 package, which is a small plastic package with three leads.

Essence: The essence of the LM285Z-2.5#PBF is to provide a stable and accurate voltage reference for electronic circuits.

Packaging/Quantity: The LM285Z-2.5#PBF is typically sold in reels or tubes containing a specific quantity, such as 1000 units per reel.

Specifications

The LM285Z-2.5#PBF has the following specifications:

• Output Voltage: 2.5V ± 1%
• Temperature Coefficient: 100 ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4V to 30V
• Quiescent Current: 120 µA

Pin Configuration

The LM285Z-2.5#PBF has three pins arranged as follows:

```

---

| | --| Vref |-- --| Anode |-- --| Cathode|-- |_______| ```

Pin Descriptions: - Vref: Output voltage pin (2.5V) - Anode: Anode pin - Cathode: Cathode pin

Functional Features

The LM285Z-2.5#PBF offers the following functional features:

1. Precision Voltage Reference: It provides a stable and accurate 2.5V output voltage, making it suitable for applications requiring precise voltage references.
2. Low Temperature Coefficient: The LM285Z-2.5#PBF has a low temperature coefficient of 100 ppm/°C, ensuring minimal voltage drift with temperature changes.
3. High Accuracy: With a ±1% output voltage tolerance, this voltage reference diode offers high accuracy in voltage regulation.
4. Low Power Consumption: The LM285Z-2.5#PBF operates with a quiescent current of only 120 µA, making it energy-efficient.

Advantages and Disadvantages

Advantages: - Provides a stable and accurate voltage reference - Low temperature coefficient ensures minimal voltage drift - High accuracy in voltage regulation - Low power consumption

Disadvantages: - Limited to a fixed output voltage of 2.5V - Requires external components for specific applications

Working Principles

The LM285Z-2.5#PBF is based on the principle of bandgap voltage reference. It utilizes a specialized semiconductor structure that generates a stable voltage reference regardless of temperature variations. This allows it to provide a precise and constant 2.5V output voltage.

Detailed Application Field Plans

The LM285Z-2.5#PBF finds applications in various electronic circuits where a stable and accurate voltage reference is essential. Some common application fields include:

1. Analog-to-Digital Converters (ADCs): The LM285Z-2.5#PBF can be used as a reference voltage for ADCs, ensuring accurate conversion of analog signals.
2. Voltage Regulators: It can serve as a reference voltage for voltage regulators, maintaining a stable output voltage.
3. Precision Instrumentation: The LM285Z-2.5#PBF is suitable for precision instruments that require accurate voltage references, such as multimeters and oscilloscopes.
4. Sensor Circuits: It can be used in sensor circuits to provide a stable reference voltage for precise measurements.

Detailed and Complete Alternative Models

1. LM4040-2.5: This is another precision voltage reference diode with a 2.5V output voltage. It offers similar characteristics and specifications to the LM285Z-2.5#PBF.
2. LT1004-2.5: The LT1004-2.5 is a precision shunt voltage reference with a 2.5V output voltage. It provides high accuracy and low temperature coefficient.

These alternative models can be considered based on specific requirements and compatibility with the application.

Word count: 550 words