LM4040D82ILP

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision voltage reference - Low temperature coefficient - Low dropout voltage - Wide operating range - Small package size

Package: SOT-23-3

Essence: The LM4040D82ILP is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM4040D82ILP is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 8.2V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Operating Range: -40°C to +85°C
• Supply Voltage: 2.7V to 10V
• Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040D82ILP has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• High precision: The LM4040D82ILP provides a highly accurate output voltage with an initial accuracy of ±0.1%.
• Low temperature coefficient: It has a low temperature coefficient of 50ppm/°C, ensuring stability over a wide temperature range.
• Low dropout voltage: With a dropout voltage of only 60mV, it can operate efficiently even with low input voltages.
• Wide operating range: The LM4040D82ILP can operate within a wide temperature range of -40°C to +85°C.
• Small package size: The SOT-23-3 package makes it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low temperature coefficient ensures stability - Low dropout voltage allows efficient operation - Wide operating range for versatile applications - Small package size for space-constrained designs

Disadvantages: - Limited output voltage options (only 8.2V) - Requires an external power supply within the specified operating range

Working Principles

The LM4040D82ILP is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable voltage reference. The internal circuitry compensates for temperature variations, ensuring accurate output voltage over a wide temperature range.

Detailed Application Field Plans

The LM4040D82ILP can be used in various applications that require a precise voltage reference, such as: 1. Analog-to-digital converters (ADCs) 2. Digital-to-analog converters (DACs) 3. Voltage regulators 4. Precision instrumentation 5. Sensor calibration circuits

Detailed and Complete Alternative Models

Some alternative models to the LM4040D82ILP include: - LM4040CIZ-8.2: Similar characteristics but available in a TO-92 package - LT1021-8.2: Higher accuracy and lower temperature coefficient, available in a TO-92 package - REF5025AIDGKT: Higher accuracy and wider operating range, available in a SOT-23-5 package

These alternative models offer different specifications and package options, allowing users to choose the most suitable voltage reference for their specific requirements.

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