LM336BZ-2.5/LFT7

Product Overview

Category

The LM336BZ-2.5/LFT7 belongs to the category of voltage references.

Use

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

Characteristics

• Provides a stable and accurate voltage reference of 2.5V.
• Offers low temperature coefficient and long-term stability.
• Operates over a wide temperature range.
• Low power consumption.
• Small size and easy to integrate into circuit designs.

Package

The LM336BZ-2.5/LFT7 is available in a TO-92 package.

Essence

The essence of LM336BZ-2.5/LFT7 lies in its ability to provide a precise and stable voltage reference, which is crucial for ensuring accurate operation of electronic circuits.

Packaging/Quantity

The LM336BZ-2.5/LFT7 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Voltage Reference: 2.5V
• Initial Accuracy: ±0.8%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4V to 30V
• Quiescent Current: 400µA

Detailed Pin Configuration

The LM336BZ-2.5/LFT7 has three pins:

1. Vout: Output pin, provides a stable 2.5V reference voltage.
2. Vin: Input pin, connected to the supply voltage.
3. GND: Ground pin, connected to the circuit ground.

Functional Features

• Precise Voltage Reference: The LM336BZ-2.5/LFT7 ensures a stable and accurate 2.5V reference voltage, which is essential for precise circuit operation.
• Low Temperature Coefficient: It exhibits a low temperature coefficient of 50ppm/°C, minimizing the impact of temperature variations on the reference voltage.
• Long-Term Stability: The LM336BZ-2.5/LFT7 offers excellent long-term stability, ensuring consistent performance over extended periods.
• Wide Operating Temperature Range: It can operate reliably in temperatures ranging from -40°C to +85°C.
• Low Power Consumption: With a quiescent current of only 400µA, it consumes minimal power.

Advantages and Disadvantages

Advantages

• Provides a stable and accurate voltage reference.
• Low temperature coefficient ensures minimal voltage drift with temperature changes.
• Small size allows for easy integration into circuit designs.
• Wide operating temperature range enables usage in various environments.
• Low power consumption helps conserve energy.

Disadvantages

• Limited to a fixed output voltage of 2.5V.
• Requires an external supply voltage within the specified range.

Working Principles

The LM336BZ-2.5/LFT7 utilizes bandgap voltage reference technology to generate a stable 2.5V output. It employs a combination of bipolar and CMOS technologies to achieve high precision and low temperature coefficient characteristics. By comparing the bandgap voltage with an internal reference, it generates a precise output voltage that remains constant over varying conditions.

Detailed Application Field Plans

The LM336BZ-2.5/LFT7 finds applications in various fields, including:

1. Precision Instrumentation: It is used as a voltage reference in precision measuring instruments, ensuring accurate readings.
2. Analog-to-Digital Converters (ADCs): It provides a stable reference voltage for ADCs, improving their accuracy.
3. Voltage Regulators: It serves as a reference for voltage regulators, maintaining a stable output voltage.
4. Data Acquisition Systems: It is employed in data acquisition systems to ensure precise voltage measurements.
5. Industrial Control Systems: It finds usage in industrial control systems, where accurate voltage references are essential for reliable operation.

Detailed and Complete Alternative Models

1. LM4040-2.5: A precision voltage reference with similar characteristics and a fixed output voltage of 2.5V.
2. LT1004-2.5: Another voltage reference offering a stable 2.5V output with low temperature coefficient and high accuracy.
3. REF102CU: A precision voltage reference with a 2.5V output and excellent long-term stability.

These alternative models provide comparable performance and can be considered as substitutes for the LM336BZ-2.5/LFT7 in various applications.

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