LM385Z-1.2

Overview

Product Category

LM385Z-1.2 belongs to the category of voltage references.

Use

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

Characteristics

LM385Z-1.2 exhibits the following characteristics: - High accuracy - Low temperature coefficient - Low power consumption - Wide operating voltage range - Good long-term stability

Package

The LM385Z-1.2 is available in a TO-92 package, which is a small plastic package with three leads.

Essence

The essence of LM385Z-1.2 lies in its ability to provide a stable and precise voltage reference for other components in an electronic circuit.

Packaging/Quantity

The LM385Z-1.2 is typically packaged in reels or tubes, containing a specific quantity of units per package.

Specifications

LM385Z-1.2 has the following specifications:

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Operating Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM385Z-1.2 has three pins arranged as follows:

```

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| | --| VOUT |-- --| GND |-- --| VIN |-- |_______| ```

Functional Features

The LM385Z-1.2 offers the following functional features:

• Precise voltage reference for analog-to-digital converters
• Stable reference voltage for voltage regulators
• Reference source for current sources and current mirrors
• Biasing element for operational amplifiers

Advantages and Disadvantages

Advantages

• High accuracy ensures reliable performance in precision applications.
• Low temperature coefficient minimizes voltage drift with temperature changes.
• Low power consumption helps conserve energy in battery-powered devices.
• Wide operating voltage range allows for versatile use in various circuits.
• Good long-term stability ensures consistent performance over time.

Disadvantages

• Limited output voltage options restrict its use in certain applications requiring different reference voltages.
• The TO-92 package may not be suitable for all circuit designs, especially those with space constraints.

Working Principles

The LM385Z-1.2 is based on a bandgap voltage reference principle. It utilizes the inherent voltage characteristics of semiconductor materials to generate a stable reference voltage. This voltage is then used as a comparison standard for other components in the circuit.

Detailed Application Field Plans

LM385Z-1.2 finds application in various fields, including but not limited to: - Precision measurement equipment - Data acquisition systems - Voltage regulators - Analog and mixed-signal circuits - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM385Z-1.2 are: - LM4040 - LT1004 - REF02 - MAX6126

These models offer similar functionality and specifications, providing alternative options for voltage reference requirements.

In conclusion, LM385Z-1.2 is a precision voltage reference component with high accuracy, low temperature coefficient, and wide operating voltage range. Its compact TO-92 package makes it suitable for various electronic circuits. While it has limitations in terms of output voltage options, it offers several advantages such as low power consumption and good long-term stability. Its working principle is based on the bandgap voltage reference concept. LM385Z-1.2 finds application in precision measurement equipment, data acquisition systems, voltage regulators, and more. Alternative models like LM4040, LT1004, REF02, and MAX6126 can be considered for similar requirements.