LM4040D30IDBZTG4

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 LM4040D30IDBZTG4 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 LM4040D30IDBZTG4 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: 3.0V
• 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 LM4040D30IDBZTG4 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 LM4040D30IDBZTG4 provides a highly accurate and stable output voltage of 3.0V, making it suitable for applications requiring precise voltage references.
• Low dropout voltage: With a low dropout voltage of only 60mV, the LM4040D30IDBZTG4 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 LM4040D30IDBZTG4 has a low quiescent current of 60µA, minimizing power consumption and extending battery life in portable devices.

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 3.0V)

Working Principles

The LM4040D30IDBZTG4 utilizes a bandgap reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations and process variations to maintain a consistent voltage reference. The internal circuitry ensures that the output voltage remains constant even with changes in input voltage and load conditions.

Detailed Application Field Plans

The LM4040D30IDBZTG4 finds applications in various fields, including:

1. Precision measurement instruments: It can be used as a voltage reference in multimeters, oscilloscopes, and other precision measurement devices.
2. Analog-to-digital converters (ADCs): The IC provides a stable reference voltage for ADCs, ensuring accurate conversion of analog signals.
3. Voltage regulators: It can serve as a precise voltage reference for linear voltage regulators, improving their overall performance.
4. Sensor calibration: The LM4040D30IDBZTG4 is suitable for calibrating sensors that require a stable and accurate reference voltage.

Detailed and Complete Alternative Models

1. LM4040AIM3-3.0/NOPB: This model offers the same 3.0V output voltage with similar accuracy and stability.
2. LT1461ACS8-3#PBF: It provides a 3.0V output voltage with high accuracy and low temperature coefficient.
3. MAX6126AASA30+: This alternative model offers a 3.0V output voltage with excellent line regulation and low dropout voltage.

These alternative models can be considered based on specific requirements and availability.

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