LM285DR-1-2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low quiescent current - Wide operating temperature range

Package: SOIC-8

Essence: The LM285DR-1-2 is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The LM285DR-1-2 is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Output Voltage: 1.235V
• Dropout Voltage: 60mV
• Quiescent Current: 120µA
• Temperature Range: -40°C to +85°C
• Line Regulation: 0.02%/V
• Load Regulation: 0.04%/mA

Detailed Pin Configuration

The LM285DR-1-2 has a total of 8 pins arranged as follows:

```

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

Pin Description: - Vout: Output voltage pin - GND: Ground pin - Vin: Input voltage pin - NC: No connection

Functional Features

• Low dropout voltage ensures efficient operation even with small input-output differentials.
• High accuracy provides a stable reference voltage for precise circuit operation.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered applications.
• Wide operating temperature range allows for reliable performance in various environmental conditions.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low power consumption - Wide temperature range operation - Compact and easy-to-use package

Disadvantages: - Limited output voltage options - Not suitable for high current applications

Working Principles

The LM285DR-1-2 is based on a bandgap reference circuit that generates a stable voltage reference using a combination of bipolar and CMOS technologies. It utilizes a temperature-compensated design to ensure accurate output voltage over a wide temperature range.

Detailed Application Field Plans

The LM285DR-1-2 finds applications in various electronic systems where a precise voltage reference is required. Some common application fields include: - Analog-to-Digital Converters (ADCs) - Digital-to-Analog Converters (DACs) - Voltage regulators - Power management circuits - Sensor interfaces

Detailed and Complete Alternative Models

• LM4040CIZ-1.2: 1.235V precision shunt voltage reference
• LT1004CZ-1.2: 1.235V precision reference with low dropout voltage
• REF102CU-1.2: 1.235V precision voltage reference with ultra-low quiescent current

These alternative models offer similar functionality and can be used as substitutes for the LM285DR-1-2 depending on specific requirements.

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