LM385BDR-1-2

Product Overview

Category

The LM385BDR-1-2 belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low power consumption
• Wide operating voltage range

Package

The LM385BDR-1-2 is available in a small outline package (SOIC) with eight pins.

Essence

The essence of LM385BDR-1-2 lies in its ability to provide a stable and accurate voltage reference, which is crucial for many electronic applications.

Packaging/Quantity

The LM385BDR-1-2 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Output Voltage: 1.235V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Operating Voltage Range: 2.7V to 40V
• Quiescent Current: 120µA

Detailed Pin Configuration

The LM385BDR-1-2 has eight pins arranged as follows:

```

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| | --| Vref | --| GND | --| NC | --| NC | --| NC | --| NC | --| NC | |___________| ```

Functional Features

• Precise voltage reference for analog-to-digital converters (ADCs)
• Stable reference voltage for voltage regulators
• Reference source for calibration purposes
• Suitable for battery-powered applications due to low power consumption

Advantages

• High accuracy ensures reliable performance in critical applications
• Low temperature coefficient minimizes voltage drift with temperature changes
• Wide operating voltage range allows for versatile use in various circuits
• Small package size enables space-saving designs

Disadvantages

• Limited output voltage options (only 1.235V)
• Not suitable for applications requiring higher output voltages

Working Principles

The LM385BDR-1-2 utilizes a bandgap voltage reference circuit to generate a stable and accurate voltage reference. This circuit compensates for temperature variations, ensuring consistent performance over a wide temperature range.

Detailed Application Field Plans

The LM385BDR-1-2 finds application in various fields, including:

1. Precision measurement instruments
2. Data acquisition systems
3. Industrial control systems
4. Battery-powered devices
5. Voltage regulators
6. Calibration equipment

Detailed and Complete Alternative Models

1. LM4040CIZ-1.2: Similar voltage reference with an output voltage of 1.2V
2. LT1236ACS8-1.2: Precision shunt voltage reference with an output voltage of 1.2V
3. REF102CU: Precision voltage reference with an output voltage of 10V

These alternative models offer similar functionality and can be used as substitutes for the LM385BDR-1-2 in specific applications.

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