LM385M3X-2.5

Overview

Product Category

LM385M3X-2.5 belongs to the category of voltage references.

Use

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

Characteristics

• Output Voltage: 2.5V
• Low Temperature Coefficient: ±20ppm/°C
• Low Quiescent Current: 120µA
• Wide Operating Range: 10V to 30V
• High Accuracy: ±1%
• Low Dropout Voltage: 0.6V

Package

The LM385M3X-2.5 comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of LM385M3X-2.5 lies in its ability to provide a stable and accurate voltage reference, ensuring precise operation of electronic circuits.

Packaging/Quantity

The LM385M3X-2.5 is typically available in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.5V ±1%
• Temperature Coefficient: ±20ppm/°C (maximum)
• Quiescent Current: 120µA (maximum)
• Input Voltage Range: 10V to 30V
• Dropout Voltage: 0.6V (maximum)

Detailed Pin Configuration

The LM385M3X-2.5 has three pins:

1. Vout: Output Voltage Pin
2. GND: Ground Pin
3. Vin: Input Voltage Pin

Functional Features

• Precise Voltage Reference: The LM385M3X-2.5 provides a stable and accurate 2.5V reference voltage.
• Low Power Consumption: With a low quiescent current of 120µA, it minimizes power consumption in electronic circuits.
• Wide Operating Range: It can operate within a wide input voltage range of 10V to 30V.
• Low Dropout Voltage: The low dropout voltage of 0.6V ensures efficient operation even with low input voltages.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient
• Small package size for space-constrained applications
• Low power consumption

Disadvantages

• Limited output voltage options (only 2.5V)
• Relatively high cost compared to other voltage references

Working Principles

The LM385M3X-2.5 utilizes bandgap reference technology to generate a stable voltage reference. It employs a combination of bipolar and CMOS technologies to achieve high accuracy and low temperature coefficient characteristics.

Detailed Application Field Plans

The LM385M3X-2.5 finds application in various electronic systems where a precise voltage reference is required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Precision instrumentation
6. Sensor calibration circuits

Detailed and Complete Alternative Models

1. LM4040: This series offers various output voltage options and provides excellent accuracy and stability.
2. LT6654: It is a precision voltage reference with ultra-low drift and noise performance.
3. REF50xx: These voltage references provide high accuracy and low temperature drift over a wide temperature range.

These alternative models offer similar functionality and can be considered as alternatives to the LM385M3X-2.5 based on specific requirements.

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