MAX6834HXRD4+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: High accuracy, low power consumption
• Package: 4mm x 4mm TDFN
• Essence: Monitors the voltage level of a system and provides reset signals when necessary
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6834HXRD4+T has a total of 8 pins:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection pin
6. TO: Reset timeout period selection pin
7. NC: No connect
8. NC: No connect

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage
• Provides manual reset capability through the MR pin
• Selectable threshold voltage and reset timeout period options for flexibility in different applications
• Low quiescent current consumption for power-sensitive designs

Advantages and Disadvantages

Advantages: - High accuracy in monitoring voltage levels - Wide supply voltage range allows compatibility with various systems - Small package size enables space-saving designs - Low power consumption prolongs battery life in portable devices

Disadvantages: - Limited number of threshold voltage and reset timeout period options - No built-in hysteresis for voltage monitoring

Working Principles

The MAX6834HXRD4+T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the selected threshold voltage, the IC generates an active-low reset signal on the RESET pin. This signal can be used to reset the microcontroller or other system components.

The manual reset (MR) input allows the user to force a reset regardless of the monitored voltage level. This feature is useful during system testing or when a controlled restart is required.

Detailed Application Field Plans

The MAX6834HXRD4+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are essential. Some typical application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial control systems
4. Power management circuits
5. Battery-powered devices
6. Automotive electronics

Detailed and Complete Alternative Models

1. MAX6833: Similar voltage supervisor IC with different package options
2. MAX6818: Voltage monitor with integrated watchdog timer
3. MAX809: Low-power microprocessor reset circuit
4. MAX638: Precision voltage reference with reset output

These alternative models offer similar functionality and can be considered as substitutes for the MAX6834HXRD4+T depending on specific requirements and design constraints.

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