IR4311MTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR4311MTRPBF is a voltage reference IC that provides a stable and precise output voltage. It is commonly used in various electronic devices where accurate voltage references are required.

Characteristics: - High accuracy - Low temperature coefficient - Low power consumption - Wide operating temperature range

Package: The IR4311MTRPBF is available in a small surface-mount SOT-23 package, which makes it suitable for compact electronic designs.

Essence: The essence of the IR4311MTRPBF is to provide a reliable and stable voltage reference for electronic circuits.

Packaging/Quantity: The IR4311MTRPBF is typically sold in reels containing 3000 units per reel.

Specifications

• Output Voltage Range: 1.24V to 10V
• Initial Accuracy: ±1%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.5V to 36V
• Quiescent Current: 60µA

Pin Configuration

The IR4311MTRPBF has three pins:

1. Vref: Output voltage reference pin.
2. GND: Ground pin.
3. Vin: Input voltage pin.

Functional Features

• Precise Voltage Reference: The IR4311MTRPBF provides a highly accurate and stable output voltage, ensuring reliable performance in voltage-sensitive applications.
• Low Power Consumption: With a quiescent current of only 60µA, the IR4311MTRPBF minimizes power consumption, making it suitable for battery-powered devices.
• Wide Operating Temperature Range: The IC can operate within a wide temperature range, from -40°C to 125°C, enabling its use in various environmental conditions.

Advantages and Disadvantages

Advantages: - High accuracy ensures reliable voltage references. - Low temperature coefficient minimizes voltage drift with temperature changes. - Small package size allows for space-efficient designs. - Wide operating temperature range enables versatile applications.

Disadvantages: - Limited output voltage range may not be suitable for certain applications requiring higher voltages. - Requires an external resistor for precise voltage selection.

Working Principles

The IR4311MTRPBF is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes a combination of bipolar and CMOS technologies to achieve high accuracy and low temperature coefficient characteristics.

The IC compares the reference voltage with the input voltage and adjusts its internal circuitry to maintain a constant output voltage, regardless of variations in the supply voltage or temperature.

Detailed Application Field Plans

The IR4311MTRPBF finds applications in various electronic systems where accurate voltage references are crucial. Some common application fields include:

1. Power Management: The IC can be used in power management circuits to provide stable voltage references for voltage regulators, ensuring consistent power supply to other components.
2. Analog-to-Digital Conversion: Precise voltage references are essential in analog-to-digital converters (ADCs) to ensure accurate conversion of analog signals into digital data.
3. Sensor Calibration: Many sensors require accurate voltage references for calibration purposes. The IR4311MTRPBF can be employed to provide a stable reference voltage for sensor calibration circuits.
4. Precision Instrumentation: Instruments such as multimeters, oscilloscopes, and signal generators often rely on accurate voltage references for precise measurements and signal generation.

Detailed and Complete Alternative Models

1. LM4040: This voltage reference IC offers similar accuracy and temperature coefficient characteristics. It is available in various package options, including SOT-23 and TO-92.
2. LT6654: The LT6654 is a precision voltage reference with ultra-low drift and noise characteristics. It comes in different voltage options and package types, such as SOT-23 and SOIC.

These alternative models provide similar functionality to the IR4311MTRPBF and can be considered based on specific application requirements.

Word count: 533 words