LM4121AIM5-1.2

Product Overview

Category

LM4121AIM5-1.2 belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Low quiescent current

Package

LM4121AIM5-1.2 is available in a miniature SOT-23 package.

Essence

The essence of LM4121AIM5-1.2 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

LM4121AIM5-1.2 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)

Pin Configuration

LM4121AIM5-1.2 has a 3-pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage

Functional Features

• High precision voltage reference
• Low power consumption
• Wide operating temperature range
• Excellent line and load regulation
• Short-circuit protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low dropout voltage minimizes power dissipation.
• Low quiescent current prolongs battery life.
• Small package size allows for space-saving designs.

Disadvantages

• Limited output voltage options.
• Relatively higher cost compared to some alternatives.

Working Principles

LM4121AIM5-1.2 utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It compensates for temperature variations and provides a constant reference voltage regardless of changes in input voltage or load conditions.

Detailed Application Field Plans

LM4121AIM5-1.2 finds applications in various fields, including but not limited to: - Precision analog circuits - Data acquisition systems - Portable devices - Battery-powered equipment - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LM4121AIM5-1.2 are: - LM4040 - LT1236 - REF5025 - MAX6126

These models provide comparable accuracy, stability, and performance characteristics, allowing designers to choose the most suitable option for their specific application requirements.

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