LM385BM/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low voltage, precision reference
• Package: SOIC-8
• Essence: Precision bandgap voltage reference
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Voltage Range: 1.2V to 5.0V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 100 ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Output Current: 20 mA
• Quiescent Current: 120 µA

Pin Configuration

The LM385BM/NOPB IC has the following pin configuration:

```

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| | --| Vref GND|-- Pin 1 --| NC NC |-- Pin 2 --| NC NC |-- Pin 3 --| NC NC |-- Pin 4 --| NC NC |-- Pin 5 --| NC NC |-- Pin 6 --| NC NC |-- Pin 7 --| NC NC |-- Pin 8 |___________| ```

Functional Features

• Provides a stable and accurate voltage reference
• Low power consumption
• Wide operating temperature range
• High output current capability
• Excellent initial accuracy and temperature coefficient

Advantages

• Precise voltage reference for various applications
• Low quiescent current prolongs battery life
• Compact SOIC-8 package allows for easy integration
• Wide operating temperature range enables use in harsh environments

Disadvantages

• Limited voltage range (1.2V to 5.0V)
• Higher initial cost compared to some alternatives

Working Principles

The LM385BM/NOPB is based on the bandgap voltage reference principle. It utilizes a temperature-dependent voltage across a diode junction to generate a stable reference voltage. This voltage is then amplified and regulated to provide a precise output voltage.

Application Field Plans

The LM385BM/NOPB is commonly used in various applications, including:

1. Precision analog-to-digital converters (ADCs)
2. Voltage regulators
3. Battery-powered devices
4. Temperature sensors
5. Industrial control systems

Alternative Models

Here are some alternative models that can be considered:

1. LM4040: Offers higher accuracy and lower temperature coefficient
2. LT6654: Provides ultra-high precision voltage reference
3. REF5025: Features low noise and high stability

These alternatives may have different specifications and pin configurations, so it is important to select the one that best suits the specific application requirements.

In conclusion, the LM385BM/NOPB is a precision voltage reference IC with excellent accuracy, low power consumption, and wide operating temperature range. It finds applications in various fields where a stable and accurate voltage reference is required.