LM4040C20IDBZT

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

Package: SOT-23-3

Essence: The LM4040C20IDBZT 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 LM4040C20IDBZT 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: 2.048V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040C20IDBZT has three pins:

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

Functional Features

• Precise Output Voltage: The LM4040C20IDBZT provides a highly accurate and stable output voltage of 2.048V, making it suitable for applications requiring precise voltage references.
• Low Dropout Voltage: With a dropout voltage of only 60mV, the LM4040C20IDBZT 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 temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
• Low Quiescent Current: The LM4040C20IDBZT has a low quiescent current of 60µA, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options (only 2.048V)

Working Principles

The LM4040C20IDBZT is based on a bandgap reference circuit that generates a stable voltage reference using temperature-dependent properties of semiconductor materials. It utilizes a precision voltage divider and feedback loop to maintain the desired output voltage regardless of changes in input voltage or temperature.

Detailed Application Field Plans

The LM4040C20IDBZT finds applications in various fields, including:

1. Precision Instrumentation: It can be used as a voltage reference in precision measurement instruments such as multimeters and oscilloscopes.
2. Analog-to-Digital Converters (ADCs): The IC provides a stable reference voltage for accurate conversion of analog signals into digital data.
3. Power Management: It is used in power management circuits to ensure stable and accurate voltage regulation.
4. Sensor Calibration: The LM4040C20IDBZT is suitable for calibrating sensors that require precise voltage references.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: Output Voltage - 2.5V, SOT-23-3 package.
2. LT1461ACS8-2.5#PBF: Output Voltage - 2.5V, SOIC-8 package.
3. MAX6126AASA25+: Output Voltage - 2.5V, SOIC-8 package.
4. REF102CU: Output Voltage - 2.048V, TO-99 package.

These alternative models offer similar functionality and can be used as substitutes for the LM4040C20IDBZT in various applications.

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