LM385DR-2-5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage of 2.5V - Low temperature coefficient - Low power consumption - Wide operating temperature range

Package: SOIC-8

Essence: The LM385DR-2-5 is a low voltage precision voltage reference IC that provides a stable and accurate output voltage of 2.5V. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM385DR-2-5 is available in a standard SOIC-8 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V ± 0.5%
• Temperature Coefficient: 100 ppm/°C (maximum)
• Supply Voltage Range: 1.9V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 120 µA (typical)
• Line Regulation: 0.02%/V (maximum)
• Load Regulation: 0.04%/mA (maximum)

Pin Configuration

The LM385DR-2-5 has a total of 8 pins arranged as follows:

____ Vout | | GND | | NC | | NC | | NC | | NC | | NC | | Vcc |____|

Pin Description: - Vout: Output Voltage - GND: Ground - NC: No Connection - Vcc: Supply Voltage

Functional Features

• Precise Voltage Reference: The LM385DR-2-5 provides a stable and accurate output voltage of 2.5V, making it suitable for applications requiring precise voltage references.
• Low Temperature Coefficient: The IC has a low temperature coefficient, ensuring minimal output voltage variation with temperature changes.
• Low Power Consumption: With a quiescent current of only 120 µA, the LM385DR-2-5 is designed to minimize power consumption in electronic circuits.
• Wide Operating Temperature Range: The IC can operate reliably in a wide temperature range from -40°C to +85°C.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low temperature coefficient - Low power consumption - Wide operating temperature range

Disadvantages: - Limited output voltage options (fixed at 2.5V) - Not suitable for applications requiring higher or adjustable reference voltages

Working Principles

The LM385DR-2-5 utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It employs a combination of active and passive components to compensate for temperature variations and provide a constant voltage reference.

Detailed Application Field Plans

The LM385DR-2-5 is commonly used in various electronic systems and applications, including but not limited to: 1. Precision analog-to-digital converters (ADCs) 2. Voltage regulators and power management circuits 3. Sensor calibration circuits 4. Battery charging and monitoring circuits 5. Test and measurement equipment 6. Industrial control systems

Detailed and Complete Alternative Models

1. LM4040CIZ-2.5: This is another precision voltage reference IC with an output voltage of 2.5V. It comes in a TO-92 package and offers similar characteristics to the LM385DR-2-5.
2. LT1004CZ-2.5: A precision shunt voltage reference IC with a fixed output voltage of 2.5V. It is available in an 8-pin SOIC package and provides excellent temperature stability.

These alternative models can be considered based on specific application requirements and compatibility with the existing circuit design.

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