MAX808MESA+ - English Editing Encyclopedia Entry
Product Overview
Category
MAX808MESA+ belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in electronic devices for voltage monitoring and reset functions.
Characteristics
- Voltage monitoring and reset IC
- Low power consumption
- Small package size
- Wide operating voltage range
Package
The MAX808MESA+ is available in a small surface-mount SO-8 package.
Essence
The essence of MAX808MESA+ lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.
Packaging/Quantity
This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Supply Voltage Range: 1.6V to 5.5V
- Reset Threshold Voltage Options: 2.32V, 2.63V, 3.08V, 4.38V
- Reset Timeout Period: 140ms (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX808MESA+ has a total of 8 pins arranged as follows:
```
| | --| VCC GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| TH OUT |-- Pin 3: Voltage Threshold Input (TH) --| CT GND |-- Pin 4: Capacitor Terminal (CT) |___________| ```
Functional Features
- Voltage Monitoring: The MAX808MESA+ continuously monitors the input voltage and compares it with the set threshold voltage.
- Reset Signal Generation: When the input voltage falls below the threshold, the MAX808MESA+ generates a reset signal to initiate a system reset.
- Adjustable Threshold: The threshold voltage can be set using an external resistor divider network connected to the TH pin.
- Reset Timeout: The MAX808MESA+ includes a built-in timeout period to prevent false resets caused by short voltage dips.
Advantages and Disadvantages
Advantages
- Low power consumption, making it suitable for battery-powered devices.
- Wide operating voltage range allows compatibility with various systems.
- Small package size enables space-saving designs.
- Adjustable threshold voltage provides flexibility in different applications.
Disadvantages
- Limited number of available threshold voltage options.
- Lack of built-in hysteresis may lead to potential oscillations near the threshold voltage.
Working Principles
The MAX808MESA+ operates by continuously monitoring the input voltage through the TH pin. When the voltage falls below the set threshold, the RST pin is activated, generating a reset signal. This signal remains active until the voltage rises above the threshold or the reset timeout period elapses.
Detailed Application Field Plans
The MAX808MESA+ finds application in various electronic devices, including but not limited to: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Power management circuits 4. Battery-powered devices 5. Industrial control systems
Detailed and Complete Alternative Models
- MAX809MESA+: Similar to MAX808MESA+, but with fixed threshold voltage options.
- MAX811TASA+: Voltage monitoring and reset IC with push-pull output configuration.
- MAX803TEXR+: Ultra-low-power voltage monitor with manual reset input.
These alternative models offer similar functionality and can be considered as substitutes for the MAX808MESA+ depending on specific requirements.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MAX808MESA+ i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of MAX808MESA+ in technical solutions:
Q: What is MAX808MESA+? A: MAX808MESA+ is a voltage detector IC (integrated circuit) that monitors the power supply voltage and provides an output signal when the voltage falls below a certain threshold.
Q: What is the operating voltage range of MAX808MESA+? A: The operating voltage range of MAX808MESA+ is typically between 1.6V and 6V.
Q: How does MAX808MESA+ detect low voltage? A: MAX808MESA+ uses a built-in voltage reference and comparator to monitor the input voltage. When the voltage drops below a set threshold, the output of the comparator changes state.
Q: Can MAX808MESA+ be used in battery-powered applications? A: Yes, MAX808MESA+ is commonly used in battery-powered applications as it can help prevent damage to the circuitry by detecting low battery voltage.
Q: What is the output type of MAX808MESA+? A: MAX808MESA+ has an open-drain output, which means it can sink current but cannot source current. It requires an external pull-up resistor to provide a logic-level output.
Q: What is the typical quiescent current consumption of MAX808MESA+? A: The typical quiescent current consumption of MAX808MESA+ is very low, usually around 1µA, making it suitable for power-sensitive applications.
Q: Can MAX808MESA+ be used to reset microcontrollers or other digital devices? A: Yes, MAX808MESA+ can be used as a reset signal for microcontrollers or other digital devices by connecting its output to the reset pin of the device.
Q: Is MAX808MESA+ available in different package options? A: Yes, MAX808MESA+ is available in various package options, including SOT-23 and SC-70, providing flexibility for different PCB layouts.
Q: Can MAX808MESA+ tolerate voltage spikes or transients? A: MAX808MESA+ has built-in hysteresis to prevent false triggering due to voltage spikes or transients, making it more robust in noisy environments.
Q: Are there any application notes or reference designs available for MAX808MESA+? A: Yes, the manufacturer of MAX808MESA+ provides application notes and reference designs that can help users understand and implement the IC in their technical solutions.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.