LM385Z-1.2RPG

Product Overview

Category

The LM385Z-1.2RPG belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• Voltage Reference: The LM385Z-1.2RPG provides a stable and accurate reference voltage of 1.2V.
• Low Power Consumption: It operates with low power consumption, making it suitable for battery-powered applications.
• Temperature Stability: This voltage reference exhibits excellent temperature stability over a wide range of operating conditions.
• Low Output Impedance: The LM385Z-1.2RPG has a low output impedance, enabling it to drive loads efficiently.

Package

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

Essence

The essence of the LM385Z-1.2RPG lies in its ability to provide a precise and stable reference voltage for use in electronic circuits.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity of LM385Z-1.2RPG units, depending on the manufacturer's packaging specifications.

Specifications

• Reference Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2V to 30V
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The LM385Z-1.2RPG has three pins:

1. Vout: Output pin that provides the stable reference voltage of 1.2V.
2. Vin: Input pin connected to the supply voltage.
3. GND: Ground pin for the circuit.

Functional Features

• Voltage Regulation: The LM385Z-1.2RPG maintains a constant output voltage of 1.2V, regardless of changes in the input voltage or load conditions.
• Low Power Consumption: It consumes minimal power, making it suitable for battery-powered devices.
• Temperature Stability: The LM385Z-1.2RPG exhibits excellent temperature stability, ensuring accurate voltage references across varying environmental conditions.
• Low Output Impedance: Its low output impedance allows it to drive loads efficiently without significant voltage drops.

Advantages and Disadvantages

Advantages

• Precise and Stable Voltage Reference
• Low Power Consumption
• Wide Operating Temperature Range
• Small Package Size
• Low Output Impedance

Disadvantages

• Limited Output Voltage Options (fixed at 1.2V)
• Not Suitable for High Current Applications

Working Principles

The LM385Z-1.2RPG utilizes a bandgap reference circuit to generate a stable 1.2V output voltage. This circuit compensates for temperature variations and supply voltage changes, ensuring a consistent reference voltage. By using precision components and design techniques, the LM385Z-1.2RPG achieves high accuracy and stability.

Detailed Application Field Plans

The LM385Z-1.2RPG finds applications in various electronic systems that require a precise and stable reference voltage. Some common application fields include:

1. Analog-to-Digital Converters (ADCs): The LM385Z-1.2RPG can be used as a reference voltage for ADCs, ensuring accurate conversion of analog signals.
2. Voltage Regulators: It can serve as a voltage reference for linear voltage regulators, improving their stability and accuracy.
3. Sensor Circuits: The LM385Z-1.2RPG is suitable for sensor circuits that require a stable reference voltage for accurate measurements.
4. Battery-Powered Devices: It is commonly used in battery-powered devices, such as portable electronics and IoT devices, to maintain stable operation.

Detailed and Complete Alternative Models

1. LM4040-1.2: This is another precision voltage reference with a fixed output voltage of 1.2V. It offers similar characteristics and package options as the LM385Z-1.2RPG.
2. LT1004-1.2: The LT1004-1.2 is a precision shunt regulator that provides a stable 1.2V reference voltage. It offers excellent temperature stability and low output impedance.

These alternative models can be considered based on specific application requirements and availability.

Word count: 550 words