Overview
The ADM13305-18ARZ is a dual voltage supervisor IC manufactured by Analog Devices Inc. This device is designed to monitor two separate voltage supplies and provide reset signals to DSP and microprocessor-based systems. It features internally pretrimmed undervoltage threshold options for monitoring 1.8 V and 3.3 V supplies, making it suitable for a variety of applications including industrial, portable, and wireless systems. The ADM13305-18ARZ also includes an on-chip watchdog timer and a manual reset input, enhancing system reliability and control.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 5.5 | V | - |
| Undervoltage Thresholds | 1.68 V, 2.93 V | - | - | V | Internally fixed thresholds |
| Reset Timeout | 140 | 200 | 280 | ms | - |
| Watchdog Timeout | 1.1 | 1.6 | 2.3 | sec | - |
| Operating Temperature Range | -40°C | - | +85°C | °C | - |
| Storage Temperature Range | -65°C | - | +150°C | °C | - |
| Package Type | - | - | - | 8-Lead SOIC_N | - |
| Lead Temperature (Soldering) | - | - | 300°C | °C | 10 sec |
Key Features
- Dual voltage supervisor for monitoring two separate voltage supplies.
- Internally pretrimmed undervoltage threshold options for 1.8 V and 3.3 V supplies.
- Active high and active low reset outputs in push-pull configuration.
- On-chip watchdog timer to reset the microprocessor if it fails to strobe within the preset timeout period.
- Manual reset input via an external push button.
- Operating temperature range of -40°C to +85°C.
- RoHS compliant and lead-free.
Applications
- Supervising DSPs and microcontrollers.
- Industrial and portable equipment.
- Wireless systems.
- Notebook and desktop computers.
Q & A
- What is the primary function of the ADM13305-18ARZ? The primary function is to monitor two separate voltage supplies and provide reset signals to DSP and microprocessor-based systems.
- What are the undervoltage thresholds for the ADM13305-18ARZ? The undervoltage thresholds are 1.68 V and 2.93 V.
- Does the ADM13305-18ARZ have a watchdog timer? Yes, it includes an on-chip watchdog timer.
- What is the operating temperature range of the ADM13305-18ARZ? The operating temperature range is -40°C to +85°C.
- Is the ADM13305-18ARZ RoHS compliant? Yes, it is RoHS compliant and lead-free.
- What type of reset outputs does the ADM13305-18ARZ provide? It provides both active high and active low reset outputs in push-pull configuration.
- Can the reset signal be asserted manually? Yes, the reset signal can be asserted by an external push button through the manual reset input pin.
- What is the package type of the ADM13305-18ARZ? The package type is an 8-lead, narrow body SOIC.
- What is the maximum lead temperature for soldering? The maximum lead temperature for soldering is 300°C for 10 seconds.
- What are some common applications of the ADM13305-18ARZ? Common applications include supervising DSPs and microcontrollers, industrial and portable equipment, wireless systems, and notebook and desktop computers.
