LM385BMX-1.2

Product Overview

Category

The LM385BMX-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
• Small package size

Package

The LM385BMX-1.2 is available in a small SOT-23 package.

Essence

The essence of LM385BMX-1.2 lies in its ability to provide a stable and accurate voltage reference, which is crucial for precise operation of electronic circuits.

Packaging/Quantity

The LM385BMX-1.2 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 100ppm/°C
• Operating Voltage Range: 1.7V to 40V
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The LM385BMX-1.2 has three pins:

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

Functional Features

• Precise voltage reference for analog-to-digital converters (ADCs)
• Stable reference voltage for voltage regulators
• Reference voltage source for sensor calibration
• Biasing circuitry in amplifiers and oscillators

Advantages

• High accuracy ensures reliable performance in critical applications
• Low temperature coefficient minimizes voltage drift with temperature changes
• Low power consumption extends battery life in portable devices
• Wide operating voltage range allows compatibility with various systems
• Small package size enables space-saving designs

Disadvantages

• Limited output voltage options restrict certain applications
• Sensitivity to external noise may require additional filtering measures

Working Principles

The LM385BMX-1.2 utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. This circuit compensates for temperature variations, ensuring consistent performance across different operating conditions.

Detailed Application Field Plans

The LM385BMX-1.2 finds applications in various fields, including:

1. Precision measurement instruments
2. Industrial control systems
3. Medical equipment
4. Automotive electronics
5. Communication devices

Detailed and Complete Alternative Models

1. LM4040: Offers different output voltage options (e.g., 2.5V, 5V)
2. LT6654: Provides higher accuracy and lower temperature coefficient
3. REF5025: Features ultra-low power consumption and high stability

These alternative models offer similar functionality and can be considered based on specific requirements.

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