LM4040C25QDBZTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Precision, Low Dropout, Micropower, Shunt Voltage Reference
• Package: SOT-23 (Small Outline Transistor 23)
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Voltage Output: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 60µA (typical)
• Dropout Voltage: 200mV (typical)

Detailed Pin Configuration

The LM4040C25QDBZTG4 has three pins:

1. VOUT: Output pin, provides the stable 2.5V reference voltage.
2. GND: Ground pin, connected to the ground of the circuit.
3. NC: No Connection pin, not internally connected.

Functional Features

• Provides a precise and stable voltage reference for accurate measurements and calibration.
• Low dropout voltage allows for efficient operation in low-power applications.
• Excellent initial accuracy and temperature coefficient ensure reliable performance over a wide temperature range.
• Small package size makes it suitable for space-constrained designs.
• Low quiescent current minimizes power consumption.

Advantages

• High precision and stability ensure accurate voltage references.
• Low dropout voltage enables efficient operation in low-power systems.
• Wide operating temperature range makes it suitable for various environments.
• Small package size allows for easy integration into compact designs.
• Low quiescent current reduces power consumption, extending battery life.

Disadvantages

• Limited voltage output options (only 2.5V in this model).
• Not suitable for applications requiring higher voltage references.
• Sensitive to external noise and fluctuations, may require additional filtering.

Working Principles

The LM4040C25QDBZTG4 is a shunt voltage reference IC. It utilizes a precision bandgap circuit to generate a stable 2.5V reference voltage. The internal circuitry compensates for temperature variations, ensuring accurate output voltage over a wide temperature range. By connecting the VOUT pin to the desired circuit, the LM4040C25QDBZTG4 provides a reliable and precise voltage reference for various electronic applications.

Detailed Application Field Plans

The LM4040C25QDBZTG4 can be used in a wide range of applications, including:

1. Precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
2. Voltage regulators and power management circuits.
3. Calibration and test equipment.
4. Battery-powered devices requiring accurate voltage references.
5. Sensor and measurement circuits.
6. Industrial control systems and instrumentation.
7. Audio amplifiers and signal processing circuits.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: SOT-23 package, 2.5V voltage output, ±0.5% initial accuracy.
2. LM4040CIM3-2.5/NOPB: SOT-23 package, 2.5V voltage output, ±0.5% initial accuracy, extended temperature range.
3. LM4040DIM3-2.5/NOPB: SOT-23 package, 2.5V voltage output, ±0.1% initial accuracy, low dropout voltage.

These alternative models offer similar functionality with slight variations in accuracy, temperature range, and dropout voltage.

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