ADM805LARNZ

Product Overview

Category

ADM805LARNZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage supervisor or reset circuit.

Characteristics

• Voltage monitoring: ADM805LARNZ monitors the supply voltage and generates a reset signal when the voltage falls below a predetermined threshold.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Adjustable reset threshold: The reset threshold voltage can be adjusted using external resistors.
• Power-on reset delay: ADM805LARNZ provides a fixed power-on reset delay time to ensure stable system initialization.

Package

ADM805LARNZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ADM805LARNZ lies in its ability to monitor the supply voltage and generate a reset signal to ensure proper system initialization.

Packaging/Quantity

This product is typically sold in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: Adjustable (via external resistors)
• Power-On Reset Delay Time: Fixed value (specified in datasheet)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC
• Pin Count: 8

Detailed Pin Configuration

ADM805LARNZ has eight pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ 6 │ ├───┼───┤ │ 7 │ 8 │ └───┴───┘

1. VCC: Supply voltage input
2. GND: Ground reference
3. MR: Manual reset input (active-low)
4. RESET: Reset output
5. RESET: Reset output
6. GND: Ground reference
7. VCC: Supply voltage input
8. VCC: Supply voltage input

Functional Features

Voltage Monitoring

ADM805LARNZ continuously monitors the supply voltage to ensure it remains within the desired range. If the voltage falls below the preset threshold, the device generates a reset signal.

Adjustable Reset Threshold

The reset threshold voltage can be adjusted using external resistors connected to the appropriate pins of the IC. This allows flexibility in setting the voltage level at which the reset signal is triggered.

Power-On Reset Delay

ADM805LARNZ provides a fixed power-on reset delay time. This ensures that the system remains in a reset state for a specific duration after power is applied, allowing sufficient time for stable initialization.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various systems.
• Low power consumption makes it suitable for battery-powered applications.
• Adjustable reset threshold offers flexibility in system design.
• Fixed power-on reset delay ensures stable initialization.

Disadvantages

• Limited pin count may restrict the number of features or functionalities that can be implemented.

Working Principles

ADM805LARNZ operates by comparing the supply voltage with a preset threshold. When the voltage drops below this threshold, the internal circuitry triggers a reset signal. This signal remains active until the voltage rises above the threshold again.

Detailed Application Field Plans

ADM805LARNZ finds applications in various fields, including: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM805LARNZ include: - MAX809: Voltage supervisor with adjustable reset threshold - LTC2937: Precision voltage monitor with programmable delay - TPS3808: Ultra-low power voltage supervisor with fixed reset threshold

These alternative models can be considered based on specific requirements and system constraints.

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