LM385PWR-1-2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage - Low temperature coefficient - Low power consumption

Package: Power SOIC (Small Outline Integrated Circuit)

Essence: LM385PWR-1-2 is a low voltage precision voltage reference IC that provides a stable and accurate output voltage for various electronic applications.

Packaging/Quantity: The LM385PWR-1-2 is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Output Voltage: 1.235V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Supply Voltage Range: 2.7V to 40V
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM385PWR-1-2 has the following pin configuration:

```

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| | --| Vref | --| GND | --| V+ | |___________| ```

Functional Features

• Stable and precise output voltage reference
• Low temperature coefficient ensures accuracy over a wide temperature range
• Low power consumption makes it suitable for battery-powered devices
• Wide supply voltage range allows flexibility in various applications

Advantages

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

Disadvantages

• Limited output voltage options
• Not suitable for high current applications

Working Principles

The LM385PWR-1-2 utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature-compensated design, resulting in a low temperature coefficient.

Detailed Application Field Plans

The LM385PWR-1-2 is commonly used in the following applications:

1. Battery-powered devices: Provides a stable voltage reference for battery monitoring circuits.
2. Analog-to-Digital Converters (ADC): Ensures accurate conversion by providing a precise reference voltage.
3. Voltage regulators: Used as a reference for regulating output voltages in power supply circuits.
4. Precision measurement instruments: Provides a stable reference voltage for accurate measurements.

Detailed and Complete Alternative Models

1. LM4040: Offers various output voltage options and higher accuracy.
2. LT1004: Provides ultra-low noise performance and high precision.
3. REF30xx: Wide input voltage range and low dropout voltage.

These alternative models offer similar functionality to the LM385PWR-1-2 but may have different specifications and package options.

In conclusion, the LM385PWR-1-2 is a low voltage precision voltage reference IC that offers stability, accuracy, and low power consumption. It finds applications in battery-powered devices, ADCs, voltage regulators, and precision measurement instruments. While it has limitations in terms of output voltage options and current handling capacity, there are alternative models available with different features and specifications.