LM385BZ-1.2RAG

Product Overview

Category

The LM385BZ-1.2RAG belongs to the category of voltage references.

Use

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

Characteristics

• Precision: The LM385BZ-1.2RAG provides a highly accurate output voltage.
• Stability: It offers excellent long-term stability over a wide temperature range.
• Low Power Consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Low Output Impedance: The LM385BZ-1.2RAG has a low output impedance, allowing it to drive loads efficiently.

Package

The LM385BZ-1.2RAG is available in a TO-92 package, which is a small plastic package with three leads.

Essence

The essence of LM385BZ-1.2RAG lies in its ability to provide a stable and precise voltage reference, ensuring accurate operation of electronic circuits.

Packaging/Quantity

The LM385BZ-1.2RAG is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 100 ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 40V
• Quiescent Current: 120 µA (typical)

Detailed Pin Configuration

The LM385BZ-1.2RAG has three pins:

1. Vout: Output pin, providing a stable 1.2V reference voltage.
2. GND: Ground pin, connected to the circuit ground.
3. Vin: Input pin, connected to the supply voltage.

Functional Features

• Voltage Reference: The LM385BZ-1.2RAG generates a stable and precise 1.2V reference voltage.
• Low Power Consumption: It operates with low quiescent current, minimizing power consumption.
• Temperature Stability: The device maintains its accuracy over a wide temperature range.
• Low Output Impedance: The low output impedance allows it to drive loads effectively.

Advantages and Disadvantages

Advantages

• High precision and stability
• Low power consumption
• Wide operating temperature range
• Small package size

Disadvantages

• Limited output voltage options
• Requires an external power supply

Working Principles

The LM385BZ-1.2RAG utilizes bandgap voltage reference technology to generate a stable 1.2V output voltage. It compensates for temperature variations by employing a temperature-dependent current that cancels out the temperature coefficient of the base-emitter voltage of a bipolar transistor. This ensures accurate and stable voltage output across a wide temperature range.

Detailed Application Field Plans

The LM385BZ-1.2RAG finds applications in various electronic systems, including: - Precision analog-to-digital converters (ADCs) - Voltage regulators - Battery-powered devices - Test and measurement equipment - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LM385BZ-1.2RAG include: - LM4040CIZ-1.2: A precision shunt voltage reference with similar specifications. - LT1004CZ-1.2: Another precision voltage reference offering a 1.2V output.

These alternatives provide comparable performance and can be used as substitutes based on specific application requirements.

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