LM4041QBIM3-1.2/NO

Product Overview

Category

The LM4041QBIM3-1.2/NO belongs to the category of voltage references.

Use

This product is commonly used as a precision shunt regulator in various electronic applications.

Characteristics

• High accuracy: The LM4041QBIM3-1.2/NO provides a highly accurate output voltage reference.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring stable performance across a wide range of temperatures.
• Low dropout voltage: The device operates with a low dropout voltage, making it suitable for low-power applications.
• Low quiescent current: It has a low quiescent current, minimizing power consumption.
• Small package size: The LM4041QBIM3-1.2/NO is available in a small SOT-23 package, allowing for space-efficient designs.
• RoHS compliant: This product meets the Restriction of Hazardous Substances directive, ensuring environmental friendliness.

Package and Quantity

The LM4041QBIM3-1.2/NO is packaged in a SOT-23 package. It is typically sold in reels or tubes containing a specified quantity of units.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4041QBIM3-1.2/NO has three pins arranged as follows:

```

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

Pin 1: VOUT - Output voltage Pin 2: GND - Ground

Functional Features

• Precision voltage reference: The LM4041QBIM3-1.2/NO provides a stable and accurate output voltage reference.
• Low power consumption: With its low quiescent current, it minimizes power consumption in applications.
• Temperature stability: The device exhibits a low temperature coefficient, ensuring stable performance across varying temperatures.
• Dropout voltage: The low dropout voltage allows for efficient operation even with low input voltages.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low power consumption
• Small package size for space-constrained designs
• RoHS compliant, environmentally friendly

Disadvantages

• Limited output voltage options (fixed at 1.2V)
• Not suitable for high-power applications

Working Principles

The LM4041QBIM3-1.2/NO operates as a shunt regulator, maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this by utilizing a precision bandgap reference circuit that compensates for temperature variations and provides a stable voltage reference.

Detailed Application Field Plans

The LM4041QBIM3-1.2/NO finds application in various electronic systems where a precise and stable voltage reference is required. Some common application fields include:

1. Battery-powered devices: It can be used to provide a stable voltage reference for battery monitoring circuits, ensuring accurate battery level measurements.
2. Analog-to-digital converters (ADCs): The LM4041QBIM3-1.2/NO can serve as a reference voltage source for ADCs, enabling accurate conversion of analog signals.
3. Sensor calibration: It is suitable for calibrating sensors that require a precise voltage reference, such as temperature sensors or pressure sensors.
4. Portable audio devices: This voltage reference can be utilized in portable audio systems to maintain accurate signal processing and amplification.

Detailed and Complete Alternative Models

1. LM4040CIM3-1.2/NOPB: This is a similar voltage reference with the same output voltage of 1.2V, but it comes in a different package (SOT-23) and has slightly different specifications.
2. LT1004CZ-1.2: Another alternative option with a fixed output voltage of 1.2V, offered by a different manufacturer. It provides high accuracy and stability.

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

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