LM4040B50IDBZRG4

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 (Small Outline Transistor 23)

Essence: The LM4040B50IDBZRG4 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 reference voltage is required.

Packaging/Quantity: The LM4040B50IDBZRG4 is available in a reel packaging with 3000 units per reel.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 100ppm/°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 LM4040B50IDBZRG4 has three pins:

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

Functional Features

• High precision and stability: The LM4040B50IDBZRG4 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 LM4040B50IDBZRG4 can operate efficiently even when the input voltage is close to the desired output voltage.
• Wide operating temperature range: This voltage reference 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 LM4040B50IDBZRG4 consumes only 60µA of quiescent current, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options (only 5.0V available)

Working Principles

The LM4040B50IDBZRG4 is based on a bandgap voltage reference circuit that generates a stable and accurate output voltage. It uses a combination of temperature-compensated diodes and amplifiers to achieve high precision and stability.

Detailed Application Field Plans

The LM4040B50IDBZRG4 is commonly used in the following applications:

1. Precision analog circuits: It provides a precise reference voltage for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement circuits.
2. Voltage regulators: It can be used as a stable reference voltage for voltage regulators, ensuring accurate and consistent output voltages.
3. Sensor calibration: The LM4040B50IDBZRG4 is suitable for calibrating sensors that require a precise reference voltage, such as temperature sensors and pressure sensors.
4. Battery-powered devices: It is commonly used in portable electronic devices, where low power consumption and accurate voltage references are crucial.

Detailed and Complete Alternative Models

Some alternative models to the LM4040B50IDBZRG4 include:

1. LM4040CIZ-5.0/NOPB: Similar to LM4040B50IDBZRG4, but available in a different package (TO-92) and with a slightly different pin configuration.
2. LT1021BCN8-5: Precision voltage reference IC with an output voltage of 5.0V, available in an 8-pin DIP package.
3. REF5025AIDGKT: High-precision voltage reference IC with a 5.0V output voltage, available in a 6-pin SOT-23 package.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements and availability.

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