LM4040C10ILPR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Low quiescent current

Package: SOT-23-3

Essence: The LM4040C10ILPR 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 LM4040C10ILPR 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: 1.024V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Quiescent Current: 60µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C10ILPR has three pins:

1. VOUT: Output pin, provides the stable reference voltage of 1.024V.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the power supply voltage.

Functional Features

• Precise Voltage Reference: The LM4040C10ILPR provides a highly accurate and stable output voltage of 1.024V, making it suitable for applications requiring precise voltage references.
• Low Dropout Voltage: With a low dropout voltage of 200mV, the LM4040C10ILPR can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The IC has a low quiescent current of 60µA, minimizing power consumption in battery-powered applications.
• Wide Operating Temperature Range: The LM4040C10ILPR can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.

Advantages and Disadvantages

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

Disadvantages: - Fixed output voltage (1.024V) - Limited output current capability

Working Principles

The LM4040C10ILPR is based on the bandgap reference principle. It utilizes a combination of bipolar and CMOS technologies to provide a stable and accurate output voltage. The internal circuitry compensates for temperature variations, ensuring that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM4040C10ILPR is commonly used in the following applications:

1. Precision Analog Circuits: It serves as a stable voltage reference for analog-to-digital converters, digital-to-analog converters, operational amplifiers, and other precision analog circuits.
2. Voltage Regulation: It can be used as a reference voltage for voltage regulators, ensuring a stable and accurate output voltage.
3. Sensor Calibration: It is suitable for calibrating sensors that require a precise reference voltage, such as temperature sensors, pressure sensors, and light sensors.
4. Test and Measurement Equipment: It finds application in test and measurement equipment where accurate voltage references are essential for precise measurements.

Detailed and Complete Alternative Models

Some alternative models to the LM4040C10ILPR include:

1. LM4040AIM3-1.2/NOPB: Provides an output voltage of 1.2V with similar characteristics.
2. LT1461ACS8-5#PBF: Offers a 5V output voltage with high accuracy and stability.
3. MAX6126AASA25+: Provides a 2.5V output voltage with low noise and excellent temperature stability.

These alternative models offer different output voltages and may have slightly different specifications, allowing users to choose the one that best suits their specific requirements.

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