LM4040C30IDBZTG4

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 (Small Outline Transistor 23)

Essence: The LM4040C30IDBZTG4 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 LM4040C30IDBZTG4 is available in a SOT-23 package and is typically sold in reels of 3000 units.

Specifications

• Output Voltage: 3.0V
• 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 LM4040C30IDBZTG4 has three pins:

1. VOUT: Output pin, provides the stable 3.0V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, receives the supply voltage for the IC.

Functional Features

• High precision: The LM4040C30IDBZTG4 offers a high initial accuracy of ±0.1%, ensuring a reliable and consistent voltage reference.
• Low dropout voltage: With a dropout voltage as low as 60mV, the IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Wide operating temperature range: The LM4040C30IDBZTG4 can function reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.
• Low quiescent current: The IC has a low quiescent current of 60µA, minimizing power consumption and extending battery life in portable 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 3.0V available)

Working Principles

The LM4040C30IDBZTG4 utilizes a bandgap reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature coefficient cancellation technique. This ensures that the output voltage remains consistent over a wide temperature range.

Detailed Application Field Plans

The LM4040C30IDBZTG4 finds applications in various fields, including:

1. Precision measurement equipment: It provides a reliable voltage reference for precise measurements in instruments such as multimeters and oscilloscopes.
2. Analog-to-digital converters (ADCs): The IC serves as a reference voltage source for ADCs, ensuring accurate conversion of analog signals.
3. Voltage regulators: It can be used as a stable reference voltage for voltage regulators, improving their performance and stability.
4. Sensor calibration: The LM4040C30IDBZTG4 is suitable for calibrating sensors that require a precise and stable reference voltage.

Detailed and Complete Alternative Models

1. LM4040AIM3-3.0/NOPB: Similar to LM4040C30IDBZTG4, but available in a SOT-23-3 package.
2. LT1461ACS8-3.0#PBF: Precision voltage reference IC with a 3.0V output, available in an SOIC-8 package.
3. MAX6035AAUR30+: Ultra-low power voltage reference with a 3.0V output, offered in a SOT-23 package.

These alternative models provide similar functionality and can be used as substitutes for the LM4040C30IDBZTG4 in various applications.

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