LM385BLPRE3-1-2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage - Low temperature coefficient - Low power consumption

Package: TO-92

Essence: The LM385BLPRE3-1-2 is a low voltage precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The LM385BLPRE3-1-2 is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Output Voltage: 1.225V
• Temperature Coefficient: ±20 ppm/°C
• Supply Voltage Range: 2.7V to 40V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 120 µA

Pin Configuration

The LM385BLPRE3-1-2 has three pins:

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

Functional Features

• Precise and stable output voltage
• Low temperature coefficient ensures minimal voltage drift over temperature variations
• Low power consumption for energy-efficient applications
• Wide supply voltage range allows for versatile use in various circuits

Advantages

• High accuracy and stability
• Low power consumption
• Compact TO-92 package for easy integration into circuit designs
• Wide operating temperature range for diverse environmental conditions

Disadvantages

• Limited output voltage options
• Not suitable for high voltage applications

Working Principles

The LM385BLPRE3-1-2 utilizes bandgap voltage reference technology to generate a precise and stable output voltage. It compensates for temperature variations by employing a temperature-compensated design, resulting in a low temperature coefficient. The IC operates by comparing the reference voltage with an external voltage source and providing a stable output voltage.

Detailed Application Field Plans

The LM385BLPRE3-1-2 is commonly used in various applications, including:

1. Battery-powered devices: Provides a stable reference voltage for battery monitoring circuits.
2. Analog-to-digital converters (ADC): Ensures accurate conversion by providing a precise reference voltage.
3. Voltage regulators: Used as a voltage reference for regulating output voltages.
4. Precision measurement instruments: Provides a stable reference voltage for accurate measurements.

Detailed and Complete Alternative Models

1. LM4040CIZ-1.2: 1.225V precision shunt voltage reference
2. LT1004CZ-1.2: 1.225V precision reference diode
3. REF102CU: 1.225V precision voltage reference with low temperature drift

These alternative models offer similar functionality and characteristics to the LM385BLPRE3-1-2 and can be considered as alternatives depending on specific requirements.

In conclusion, the LM385BLPRE3-1-2 is a low voltage precision voltage reference IC that provides a stable and accurate output voltage. Its compact size, low power consumption, and wide operating temperature range make it suitable for various applications in the electronics industry.