ADM706RARZ

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision Reset Timer, Watchdog Timer, Manual Reset Input, Active-Low RESET Output
• Package: 16-SOIC (0.154", 3.90mm Width)
• Essence: ADM706RARZ is a voltage supervisor IC that provides power supply monitoring and reset generation functions.
• Packaging/Quantity: Tape & Reel (TR) Packaging, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: Adjustable from 1.8V to 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Watchdog Timeout Period: Adjustable from 6.4ms to 51.2s

Detailed Pin Configuration

ADM706RARZ has a total of 16 pins arranged as follows:

1. VCC: Positive Power Supply
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Active-Low RESET Output
5. WDI: Watchdog Timer Input
6. GND: Ground
7. GND: Ground
8. GND: Ground
9. GND: Ground
10. GND: Ground
11. GND: Ground
12. GND: Ground
13. GND: Ground
14. GND: Ground
15. GND: Ground
16. VCC: Positive Power Supply

Functional Features

• Voltage Monitoring: ADM706RARZ continuously monitors the input voltage and asserts the RESET output when the voltage drops below the programmed threshold.
• Precision Reset Timer: The reset timeout period can be adjusted to meet specific system requirements.
• Watchdog Timer: The watchdog input (WDI) must be toggled within the programmed timeout period, otherwise, the RESET output is asserted.
• Manual Reset Input: The MR pin allows for manual assertion of the RESET output.
• Active-Low RESET Output: The RESET output is active-low and remains asserted until the voltage rises above the threshold or the watchdog timer is reset.

Advantages and Disadvantages

Advantages: - Low power consumption - Adjustable reset and watchdog timeout periods - Precision reset timer - Manual reset capability - Small package size

Disadvantages: - Limited supply voltage range (1.2V to 5.5V) - Temperature limitations (-40°C to +85°C)

Working Principles

ADM706RARZ operates by continuously monitoring the input voltage. If the voltage drops below the programmed threshold, the RESET output is asserted. The reset timeout period can be adjusted to meet specific system requirements. The watchdog timer ensures that the WDI input is toggled within the programmed timeout period; otherwise, the RESET output is asserted. The manual reset input allows for manual assertion of the RESET output. The RESET output remains active-low until the voltage rises above the threshold or the watchdog timer is reset.

Detailed Application Field Plans

ADM706RARZ finds applications in various fields, including but not limited to: - Power supply monitoring in microcontrollers and digital systems - System reset generation in embedded systems - Voltage supervision in battery-powered devices - Watchdog timer implementation in safety-critical systems

Detailed and Complete Alternative Models

Some alternative models to ADM706RARZ include: - MAX706ESA: Similar voltage supervisor IC with adjustable reset timeout period - LTC2937IDD#PBF: Dual-supply monitor with adjustable reset threshold and timeout - TPS3839K33DBVR: Ultra-low power voltage supervisor with fixed reset threshold and timeout

These alternative models offer similar functionalities and can be considered based on specific application requirements.

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