LM4040B82IDBZTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High Precision, Low Dropout, Low Noise
• Package: SOT-23 (Small Outline Transistor)
• Essence: Provides a stable and accurate voltage reference for various electronic applications.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Voltage Output: 8.2V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 60µA
• Dropout Voltage: 400mV
• Output Current: 15mA

Pin Configuration

The LM4040B82IDBZTG4 has three pins:

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

Functional Features

• High precision voltage reference with low initial accuracy and temperature coefficient.
• Low dropout voltage allows for efficient operation even with small input-output differentials.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation characteristics ensure stability under varying conditions.
• Wide operating temperature range makes it suitable for various environments.
• Short-circuit protection prevents damage to the device.

Advantages

• Provides a stable and accurate voltage reference for precise circuit operation.
• Compact SOT-23 package allows for easy integration into space-constrained designs.
• Low dropout voltage enables efficient power management.
• Wide operating temperature range ensures reliability in extreme conditions.
• Short-circuit protection enhances device durability.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Requires external components for proper operation.
• Higher cost compared to standard voltage regulators.

Working Principles

The LM4040B82IDBZTG4 is a shunt voltage reference IC. It utilizes a precision bandgap core to generate a stable voltage output. The input voltage is regulated and maintained at a constant 8.2V, regardless of changes in the input voltage or load conditions. This ensures a reliable and accurate voltage reference for the connected circuitry.

Detailed Application Field Plans

The LM4040B82IDBZTG4 is commonly used in various electronic applications that require a precise voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage-controlled oscillators (VCOs)
4. Precision instrumentation
5. Battery-powered devices
6. Sensor calibration circuits
7. Voltage regulators
8. Test and measurement equipment

Detailed and Complete Alternative Models

1. LM4040AIZ-8.2/NOPB: 8.2V Voltage Reference, SOT-23 Package
2. LT1004CZ-8.2#PBF: 8.2V Precision Voltage Reference, TO-92 Package
3. MAX6126AASA41+: 4.096V Ultra-High-Precision Voltage Reference, SOIC Package
4. REF5025AIDGKT: 2.5V Precision Voltage Reference, VSSOP Package
5. ADR4525BRZ: 2.5V High-Accuracy Voltage Reference, SOT-23 Package

These alternative models offer similar functionality and characteristics, providing options based on specific requirements and design constraints.

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