Overview
The ADM13307-18ARZ-RL7, produced by Analog Devices Inc., is a triple voltage supervisor designed to monitor up to three voltage levels in DSP and microprocessor-based systems. This device is part of the ADM13307 family, which features a combination of internally pretrimmed undervoltage threshold options and adjustable voltage references. It is particularly useful for supervising digital signal processors (DSPs) and microcontrollers, ensuring reliable operation by monitoring critical voltage levels.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range, VDD | 2.0 | 5.5 | V | ||
| Supply Current, IDD | 40 | μA | |||
| 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 | |
| Temperature Range | -40 | 85 | °C | ||
| Package | 8-lead narrow body SOIC |
Key Features
- Triple supervisory circuits to monitor up to three voltage levels.
- Internally pretrimmed undervoltage threshold options for 1.8 V, 2.5 V, 3.3 V, and 5 V supplies.
- Adjustable 0.6 V and 1.25 V voltage references via external resistor dividers.
- Push-pull RESET and RESET outputs.
- Manual reset input via an external push button or logic signal.
- Low supply current of 40 μA.
- RESET valid from VDD ≥ 1.1 V.
- 140 ms minimum reset timeout.
- Operating temperature range of -40°C to +85°C.
Applications
- Supervising DSPs/microcontrollers.
- Industrial and portable equipment.
- Wireless systems.
- Notebook/desktop computers.
Q & A
- What is the primary function of the ADM13307-18ARZ-RL7?
The primary function is to monitor up to three voltage levels in DSP and microprocessor-based systems. - What are the pretrimmed undervoltage threshold options available?
The options include 1.8 V, 2.5 V, 3.3 V, and 5 V supplies. - How can the voltage thresholds be adjusted?
The voltage thresholds can be adjusted using external resistor dividers for 0.6 V and 1.25 V references. - What is the operating voltage range of the ADM13307-18ARZ-RL7?
The operating voltage range is from 2.0 V to 5.5 V. - What is the maximum supply current of the device?
The maximum supply current is 40 μA. - What is the minimum reset timeout?
The minimum reset timeout is 140 ms. - What is the temperature range of the device?
The device operates over a temperature range of -40°C to +85°C. - What type of package does the ADM13307-18ARZ-RL7 come in?
The device is available in an 8-lead narrow body SOIC package. - Can the reset be initiated manually?
Yes, the reset can be initiated manually via an external push button or logic signal. - What are some common applications of the ADM13307-18ARZ-RL7?
Common applications include supervising DSPs/microcontrollers, industrial and portable equipment, wireless systems, and notebook/desktop computers.
