LM4040D20QDBZT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, small package size
• Package: SOT-23-3
• Essence: LM4040D20QDBZT is a precision voltage reference IC that provides a stable and accurate output voltage of 2.048V.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 2.7V to 10V

Detailed Pin Configuration

The LM4040D20QDBZT has three pins:

1. VOUT: Output pin for the 2.048V reference voltage.
2. GND: Ground pin.
3. VIN: Input pin for the supply voltage.

Functional Features

• High precision: The LM4040D20QDBZT offers an initial accuracy of ±0.1%, ensuring precise voltage references.
• Low dropout voltage: With a dropout voltage of only 60mV, the IC can operate efficiently even with low input voltages.
• Small package size: The SOT-23-3 package allows for space-saving designs and easy integration into various applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Low power consumption - Wide operating temperature range - Small package size

Disadvantages: - Limited output voltage options - Not suitable for high current applications

Working Principles

The LM4040D20QDBZT utilizes a bandgap voltage reference circuit to generate a stable and accurate 2.048V output voltage. It compensates for temperature variations, ensuring consistent performance across a wide temperature range.

Detailed Application Field Plans

The LM4040D20QDBZT is commonly used in various electronic systems that require a precise and stable voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Precision instrumentation

Detailed and Complete Alternative Models

1. LM4040AIM3-2.0/NOPB: Similar specifications and package, but with an initial accuracy of ±0.2%.
2. LT1004CZ-2.048#PBF: Offers higher initial accuracy of ±0.05%, but comes in a larger TO-92 package.
3. MAX6126A25+T: Provides a 2.5V output voltage with an initial accuracy of ±0.02%, available in a SOT-23-3 package.

These alternative models offer different trade-offs in terms of accuracy, output voltage, and package size, allowing designers to choose the most suitable option for their specific requirements.

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