LM385BXZ-1.2/NOPB

Product Overview

Category

LM385BXZ-1.2/NOPB belongs to the category of voltage references.

Use

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

Characteristics

• Voltage Reference: 1.2V
• Package Type: TO-92
• Operating Temperature Range: -40°C to +85°C
• Output Current: 20mA (maximum)
• Initial Tolerance: ±0.5%
• Low Dynamic Impedance: 0.2Ω (typical)

Package and Quantity

The LM385BXZ-1.2/NOPB comes in a TO-92 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 1.2V
• Supply Voltage Range: 1.7V to 40V
• Quiescent Current: 120µA (typical)
• Line Regulation: 0.02%/V (typical)
• Load Regulation: 0.04%/mA (typical)
• Temperature Coefficient: 100ppm/°C (typical)

Pin Configuration

The LM385BXZ-1.2/NOPB has three pins arranged as follows:

```

---

| | --| V+ |-- --| |-- |____| ```

Pin 1: V+ (Input/Output) Pin 2: GND (Ground) Pin 3: NC (No Connection)

Functional Features

• Precise Voltage Reference: The LM385BXZ-1.2/NOPB provides a stable and accurate 1.2V reference voltage.
• Low Power Consumption: With a quiescent current of only 120µA, it minimizes power consumption in battery-powered applications.
• Low Dynamic Impedance: The low dynamic impedance ensures stable operation even under varying load conditions.

Advantages

• High Precision: The LM385BXZ-1.2/NOPB offers a tight initial tolerance of ±0.5%, ensuring precise voltage regulation.
• Wide Supply Voltage Range: It can operate within a wide supply voltage range of 1.7V to 40V, making it suitable for various applications.
• Low Temperature Coefficient: The temperature coefficient of 100ppm/°C ensures minimal output voltage drift with temperature changes.

Disadvantages

• Limited Output Voltage: The LM385BXZ-1.2/NOPB provides a fixed output voltage of 1.2V, which may not be suitable for all applications requiring different reference voltages.
• No Adjustable Output: Unlike some other voltage references, the LM385BXZ-1.2/NOPB does not offer an adjustable output option.

Working Principles

The LM385BXZ-1.2/NOPB utilizes a bandgap voltage reference circuit to generate a stable and accurate 1.2V output voltage. This circuit compensates for temperature variations, ensuring consistent performance over a wide temperature range.

Application Field Plans

The LM385BXZ-1.2/NOPB finds application in various electronic systems that require a precise and stable voltage reference. Some common application areas include: - Analog-to-Digital Converters (ADCs) - Digital-to-Analog Converters (DACs) - Voltage regulators - Battery management systems - Sensor circuits

Alternative Models

If the LM385BXZ-1.2/NOPB does not meet specific requirements, alternative models with similar functionality are available. Some popular alternatives include: - LM4040 series by Texas Instruments - LT1004 series by Linear Technology - REF30xx series by Analog Devices

These alternatives offer different output voltages, package options, and additional features to cater to diverse application needs.

In conclusion, the LM385BXZ-1.2/NOPB is a precision voltage reference with a fixed 1.2V output. It provides accurate and stable voltage regulation in various electronic circuits. Its low power consumption, wide supply voltage range, and high precision make it suitable for a wide range of applications. However, its limited output voltage and lack of adjustability may restrict its use in certain scenarios.