MAX6749KA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low temperature coefficient
• Package: SOT-23-3
• Essence: Voltage reference with high accuracy and stability
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6749KA+T is a three-pin device with the following pin configuration:

• Pin 1: GND (Ground)
• Pin 2: VOUT (Output Voltage)
• Pin 3: VIN (Input Voltage)

Functional Features

• High Precision: The MAX6749KA+T provides a highly accurate output voltage of 2.5V with an initial accuracy of ±0.1%.
• Low Dropout Voltage: With a dropout voltage of only 200mV, this voltage reference minimizes power dissipation and is suitable for low-power applications.
• Low Temperature Coefficient: The temperature coefficient of 10ppm/°C ensures stable performance over a wide temperature range.
• Wide Supply Voltage Range: The device operates from a supply voltage range of 2.7V to 5.5V, making it compatible with various power sources.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options - Not suitable for high current applications

Working Principles

The MAX6749KA+T is a bandgap voltage reference that generates a stable and accurate output voltage. It utilizes a combination of temperature-compensated diodes and amplifiers to achieve a precise reference voltage. The device operates by comparing the bandgap voltage with an internal voltage divider network, resulting in a highly accurate output voltage.

Detailed Application Field Plans

The MAX6749KA+T is commonly used in various electronic systems that require a stable and accurate voltage reference. Some application fields include:

1. Precision Instrumentation: The device is suitable for use in precision measurement equipment, such as multimeters and oscilloscopes.
2. Industrial Control Systems: It can be employed in industrial control systems that require precise voltage references for accurate signal processing.
3. Power Management: The MAX6749KA+T can be utilized in power management circuits to provide a stable voltage reference for efficient power regulation.
4. Communication Systems: It finds applications in communication systems where accurate voltage references are essential for reliable signal processing.

Detailed and Complete Alternative Models

1. MAX6190: This voltage reference offers similar characteristics and package options as the MAX6749KA+T but provides different output voltage options.
2. LT6656: A precision voltage reference with low dropout voltage and excellent temperature stability, available in various package options.
3. REF102: This voltage reference provides high accuracy and low temperature coefficient, suitable for precision instrumentation applications.

These alternative models offer similar functionalities and can be considered as alternatives to the MAX6749KA+T based on specific requirements.

Word count: 450 words