MAX4721EUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low Dropout, Precision, Low Noise
• Package: 8-pin µMAX®
• Essence: Provides a stable voltage reference for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 4.096V, 5V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: ±50ppm/°C
• Quiescent Current: 60µA
• Dropout Voltage: 200mV at 100mA
• Output Noise: 30µVRMS (10Hz to 100kHz)

Pin Configuration

The MAX4721EUA+T features an 8-pin µMAX® package with the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. NC: No Connection
5. IN: Input Voltage
6. NC: No Connection
7. NC: No Connection
8. SHDN: Shutdown Control

Functional Features

• Low dropout voltage ensures efficient operation even with low input voltages.
• High initial accuracy provides precise voltage references for critical applications.
• Low output noise ensures minimal interference in sensitive circuits.
• Shutdown control allows for power-saving mode when not in use.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Multiple output voltage options provide flexibility for different circuit requirements. - Low quiescent current minimizes power consumption. - Small package size enables space-saving designs.

Disadvantages: - Limited output current capability may not be suitable for high-power applications. - Temperature coefficient could affect accuracy in extreme temperature conditions.

Working Principles

The MAX4721EUA+T is a voltage reference IC that generates a stable and accurate reference voltage. It operates by comparing the input voltage with an internal reference voltage and adjusting the output voltage accordingly. The low dropout voltage ensures that the output voltage remains stable even when the input voltage is close to the desired output voltage. The precision and low noise characteristics make it suitable for applications requiring precise voltage references.

Detailed Application Field Plans

The MAX4721EUA+T can be used in various applications, including:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Sensor circuits
6. Precision instrumentation

Detailed and Complete Alternative Models

1. MAX6037: Low Dropout Voltage Reference, SOT23 package
2. LT1236: Precision Voltage Reference, TO-92 package
3. REF5050: High-Precision Voltage Reference, SOIC package
4. LM4040: Micropower Shunt Voltage Reference, SOT23 package
5. ADR4550: Ultralow Noise Voltage Reference, MSOP package

These alternative models offer similar functionality and can be considered as alternatives to the MAX4721EUA+T based on specific application requirements.

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