MAX707CUA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, precision voltage monitoring
• Package: 8-pin micro small outline package (MSOP)
• Essence: Monitors the voltage level and provides a reset signal when it falls below a specified threshold
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.08V, 4.63V
• Quiescent Current: 3µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX707CUA-T has the following pin configuration:

1. GND (Ground)
2. VCC (Supply Voltage)
3. RESET (Reset Output)
4. MR (Manual Reset Input)
5. TH (Threshold Voltage Selection)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Precision voltage monitoring with selectable threshold options
• Low quiescent current for power-sensitive applications
• Manual reset input for external reset control
• Open-drain reset output for easy interfacing with other devices
• Power-on reset delay to ensure stable operation during power-up

Advantages

• Wide supply voltage range allows compatibility with various systems
• Low quiescent current minimizes power consumption
• Selectable threshold voltage options provide flexibility in voltage monitoring
• Small package size enables space-saving designs
• Reliable reset signal ensures proper system initialization

Disadvantages

• Limited number of threshold voltage options may not suit all applications
• Lack of additional features such as hysteresis or adjustable reset timeout

Working Principles

The MAX707CUA-T operates by continuously monitoring the input voltage level. When the voltage falls below the selected threshold, the device generates a reset signal on the RESET pin. This signal remains active until the voltage rises above the threshold or a manual reset is applied to the MR pin.

Detailed Application Field Plans

The MAX707CUA-T finds applications in various fields, including:

1. Battery-powered devices: Ensures proper shutdown and system reset when battery voltage drops below a critical level.
2. Industrial control systems: Monitors power supply voltages to prevent malfunctions and ensure reliable operation.
3. Automotive electronics: Provides voltage monitoring for critical components, preventing damage due to voltage fluctuations.
4. Consumer electronics: Enables safe power-on and power-off sequences, protecting sensitive circuitry.

Detailed and Complete Alternative Models

1. MAX708CUA-T: Similar to MAX707CUA-T but with different threshold voltage options (2.93V, 4.38V).
2. MAX809CUA-T: Voltage detector with fixed threshold voltage of 2.93V and adjustable reset timeout period.
3. MAX811SEUS-T: Supervisory circuit with adjustable threshold voltage and reset timeout, suitable for more complex systems.

(Note: This list is not exhaustive and other alternative models may exist.)

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