LM385BZ/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low voltage, precision reference source
• Package: TO-92 (3-Lead Plastic Package)
• Essence: Precision bandgap voltage reference
• Packaging/Quantity: Tape and Reel (2500 units per reel)

Specifications

• Voltage Range: 1.235V to 5.0V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 100ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Output Current: 20mA
• Quiescent Current: 120µA

Pin Configuration

The LM385BZ/NOPB has three pins:

1. Vout: Output voltage pin
2. GND: Ground pin
3. Vin: Input voltage pin

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 and stable voltage reference
• Low power consumption extends battery life
• Suitable for various applications due to wide operating temperature range
• Can drive loads with high current requirements
• Reliable and consistent performance over time

Disadvantages

• Limited voltage range compared to some other voltage references
• Higher initial cost compared to less precise alternatives

Working Principles

The LM385BZ/NOPB is based on the principle of a bandgap voltage reference. It utilizes a combination of bipolar and CMOS technologies to provide a stable and accurate voltage reference. The bandgap voltage reference circuit compensates for temperature variations, ensuring that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM385BZ/NOPB is widely used in various electronic applications, including:

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

Detailed and Complete Alternative Models

• LM4040: Precision Micropower Shunt Voltage Reference
• LT1021: Precision Reference
• REF5025: Low-Noise, Very Low Drift Precision Voltage Reference
• MAX619: Ultra-Low-Power, Precision Series Voltage Reference

These alternative models offer similar functionality and performance to the LM385BZ/NOPB and can be considered as substitutes depending on specific requirements.

In conclusion, the LM385BZ/NOPB is a precision voltage reference IC that provides a stable and accurate voltage source for various electronic applications. Its low power consumption, wide operating temperature range, and high output current capability make it suitable for a wide range of designs. While it has some limitations in terms of voltage range and cost, there are alternative models available that offer similar performance characteristics.