Overview
The ADM13307-18ARZ is a triple voltage supervisor integrated circuit (IC) designed and manufactured by Analog Devices Inc. This device is specifically engineered to monitor up to three voltage levels in digital signal processor (DSP) and microprocessor-based systems. It is available in an 8-lead narrow body SOIC package and operates over an extended industrial temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range, VDD | 2.0 | 5.5 | V | ||
| Supply Current, IDD | 40 | μA | VDD = 2.0 V to 5.5 V, −40°C ≤ TA ≤ +85°C | ||
| Input Capacitance, CI | 10 | pF | VI = 0 V to VDD | ||
| RESET Output High Level Output Voltage, VOH | VDD − 0.2 | V | IOH = −20 μA | ||
| RESET Output Low Level Output Voltage, VOL | 0.2 | V | IOL = 20 μA | ||
| Delay Time (td) | 140 | 200 | 280 | ms | VI(SENSEv) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD |
| Propagation Delay, High-to-Low, MR to RESET/RESET1 (tPHL) | 200 | 500 | ns | VI(SENSEv) ≥ VIT+ + 0.2 V, VIH ≥ 0.7 × VDD, VIL ≥ 0.3 × VDD |
Key Features
- Triple Voltage Monitoring: The ADM13307-18ARZ can monitor up to three voltage levels, making it suitable for complex systems requiring multiple voltage supervision.
- Internally Pretrimmed and Adjustable Thresholds: The device offers both internally pretrimmed undervoltage thresholds for common supply voltages (1.8 V, 2.5 V, 3.3 V, and 5 V) and externally programmable thresholds via a resistor string.
- Dual Reset Outputs: Features both active high RESET and active low RESET outputs, providing flexibility in system design.
- Manual Reset Input: Allows for manual reset initiation via an external push button or logic signal.
- Extended Industrial Temperature Range: Operates from −40°C to +85°C, making it suitable for a wide range of industrial and portable applications.
- Low Supply Current: Consumes only 40 μA of supply current, which is beneficial for power-sensitive designs.
Applications
- Supervising DSPs/Microcontrollers: Ideal for monitoring voltage levels in systems based on digital signal processors and microcontrollers.
- Industrial Equipment: Suitable for use in various industrial applications due to its robust temperature range and reliability.
- Portable Equipment: Used in portable devices where multiple voltage levels need to be monitored.
- Wireless Systems: Applicable in wireless systems that require reliable voltage supervision.
- Notebook/Desktop Computers: Can be used in computer systems to ensure stable operation by monitoring critical voltage levels.
Q & A
- What is the primary function of the ADM13307-18ARZ IC?
The primary function of the ADM13307-18ARZ is to monitor up to three voltage levels in DSP and microprocessor-based systems, ensuring that the system operates within specified voltage ranges.
- What is the operating voltage range of the ADM13307-18ARZ?
The operating voltage range of the ADM13307-18ARZ is from 2.0 V to 5.5 V.
- What types of reset outputs does the ADM13307-18ARZ provide?
The ADM13307-18ARZ provides both active high RESET and active low RESET outputs.
- How can the reset be initiated manually?
The reset can be initiated manually via an external push button or logic signal using the manual reset input.
- What is the temperature range of the ADM13307-18ARZ?
The ADM13307-18ARZ operates over an extended industrial temperature range of −40°C to +85°C.
- What is the supply current of the ADM13307-18ARZ?
The supply current of the ADM13307-18ARZ is 40 μA.
- What package type is the ADM13307-18ARZ available in?
The ADM13307-18ARZ is available in an 8-lead narrow body SOIC package.
- Can the voltage thresholds be adjusted externally?
- What are some common applications of the ADM13307-18ARZ?
The ADM13307-18ARZ is commonly used in supervising DSPs/microcontrollers, industrial equipment, portable equipment, wireless systems, and notebook/desktop computers.
- Is the ADM13307-18ARZ RoHS compliant?
