LM4040C25IDBZR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23-3

Essence: The LM4040C25IDBZR 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 LM4040C25IDBZR 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: 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)

Detailed Pin Configuration

The LM4040C25IDBZR has three pins:

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

Functional Features

• Precise and stable output voltage: The LM4040C25IDBZR provides a highly accurate and stable output voltage of 2.5V, making it suitable for applications requiring precise voltage references.
• Low dropout voltage: With a low dropout voltage of only 60mV, the LM4040C25IDBZR can operate efficiently even when the input voltage is close to the desired 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 power consumption: The LM4040C25IDBZR consumes only 60µA of quiescent current, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

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

Disadvantages: - Fixed output voltage (2.5V) - Limited supply voltage range (2.7V to 10V)

Working Principles

The LM4040C25IDBZR is based on bandgap reference technology. It utilizes the inherent properties of semiconductor materials to generate a stable and accurate voltage reference. The internal circuitry compensates for temperature variations, ensuring consistent performance across a wide temperature range.

Detailed Application Field Plans

The LM4040C25IDBZR finds applications in various electronic systems that require precise voltage references. 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. Test and measurement equipment

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: This model offers the same 2.5V output voltage with an initial accuracy of ±0.1%. It comes in a SOT-23-3 package and has similar characteristics to the LM4040C25IDBZR.
2. LT1004CZ-2.5#PBF: This precision voltage reference IC also provides a 2.5V output voltage with an initial accuracy of ±0.1%. It is available in a TO-92 package and offers comparable performance to the LM4040C25IDBZR.

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

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