LM4040D25QDBZTG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - Wide operating temperature range - Small package size - High accuracy and stability

Package: SOT-23 (Small Outline Transistor 23)

Essence: The LM4040D25QDBZTG4 is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The LM4040D25QDBZTG4 is available in a SOT-23 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Pin Configuration

The LM4040D25QDBZTG4 has three pins:

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

Functional Features

• High precision and stability: The LM4040D25QDBZTG4 provides a highly accurate and stable output voltage, making it suitable for applications that require precise voltage references.
• Low dropout voltage: With a low dropout voltage of only 60mV, the LM4040D25QDBZTG4 can operate efficiently even when the input voltage is close to the output voltage.
• Wide operating temperature range: The IC can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.
• Low quiescent current: The LM4040D25QDBZTG4 has a low quiescent current of only 60µA, minimizing power consumption.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Small package size - Wide operating temperature range - Low dropout voltage - Low quiescent current

Disadvantages: - Limited output voltage options (only 2.5V in this model) - Not suitable for high-current applications

Working Principles

The LM4040D25QDBZTG4 is based on a bandgap voltage reference circuit. It utilizes the inherent characteristics of semiconductor materials to generate a stable reference voltage. The internal circuitry compensates for temperature variations, ensuring accurate output voltage over a wide temperature range.

Detailed Application Field Plans

The LM4040D25QDBZTG4 is widely used in various electronic devices and systems that require a precise voltage reference. Some common application areas include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Power management circuits
5. Sensor calibration
6. Battery-powered devices

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: This model offers the same 2.5V output voltage with similar specifications but comes in a different package (SOT-23-3).
2. LT1461ACS8-2.5#PBF: This alternative model provides a 2.5V output voltage with higher initial accuracy and lower temperature coefficient, but it comes in an SOIC-8 package.

These alternative models can be considered based on specific requirements and compatibility with the application.

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