MAX6349SHUT-T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: High Accuracy, Low Dropout, Low Quiescent Current
• Package: SOT-23
• Essence: Precision Micropower Voltage Reference
• Packaging/Quantity: Tape and Reel / 3000 pieces per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 35µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6349SHUT-T has a total of three pins:

1. Pin 1: VOUT - Output Voltage
2. Pin 2: GND - Ground
3. Pin 3: VIN - Input Voltage

Functional Features

• High accuracy voltage reference with low dropout voltage
• Low quiescent current for power-sensitive applications
• Wide operating temperature range for versatility
• Excellent initial accuracy and temperature coefficient for precise voltage regulation

Advantages and Disadvantages

Advantages

• High accuracy ensures reliable voltage reference
• Low dropout voltage minimizes power dissipation
• Low quiescent current extends battery life
• Wide operating temperature range allows usage in various environments

Disadvantages

• Limited output voltage options (only 2.5V)
• Not suitable for high-power applications due to low current capability

Working Principles

The MAX6349SHUT-T is a micropower voltage reference that generates a stable output voltage of 2.5V. It operates by comparing the input voltage (VIN) with an internal precision reference. The device adjusts its internal circuitry to maintain a constant output voltage, even with varying input voltages and load conditions.

Detailed Application Field Plans

The MAX6349SHUT-T is commonly used in various applications that require a stable and accurate voltage reference. Some of the typical application fields include:

1. Battery-powered devices: Provides a precise reference voltage for analog-to-digital converters (ADCs), sensors, and other low-power circuits.
2. Portable electronics: Ensures accurate voltage regulation for display drivers, audio amplifiers, and microcontrollers in smartphones, tablets, and wearable devices.
3. Industrial control systems: Used as a voltage reference in process control, instrumentation, and data acquisition systems.
4. Automotive electronics: Provides a stable voltage reference for automotive sensors, engine control units (ECUs), and infotainment systems.

Detailed and Complete Alternative Models

• MAX6190: Low-Power, High-Accuracy Voltage Reference
• LT1236: Precision Micropower Shunt Voltage Reference
• LM4040: Precision Micropower Shunt Voltage Reference

These alternative models offer similar functionality and characteristics to the MAX6349SHUT-T and can be considered as alternatives based on specific requirements.

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