Overview
The ADM709TARZ is a precision supply voltage monitor and reset generator designed by Analog Devices Inc. This component is specifically engineered for power-on reset control of digital systems, ensuring reliable operation during power-up, power-down, and brownout conditions. It features a compact 8-pin SOIC package, making it suitable for space-constrained applications. The ADM709TARZ is widely used in various digital systems, including microprocessor systems, computers, controllers, intelligent instruments, and automotive systems, to ensure proper system reboot and critical system monitoring.
Key Specifications
| Parameter | Min | Typ | Max | Units | Test Conditions/Comments |
|---|---|---|---|---|---|
| Voltage - Threshold | 3.00 | 3.08 | 3.15 | V | - |
| Output Type | Push-Pull, Totem Pole | ||||
| Reset Type | Active Low | ||||
| Reset Timeout | 140 | - | 380 | ms | VCC = Reset Threshold max, VCC Rising |
| Operating Temperature Range | -40 | - | 85 | °C | - |
| Number of Voltages Monitored | 1 | ||||
| Package | 8-SOIC (0.154", 3.90mm Width) | ||||
| Supply Voltage - Min | 1.0 | - | - | V | TA = 0°C to +70°C |
| Supply Voltage - Max | - | - | 5.5 | V | TA = 0°C to +70°C |
| Supply Current | 35 | 85 | 200 | µA | VCC < 3.6 V, TA = –40°C to +85°C |
Key Features
- Precision Supply Voltage Monitoring: The ADM709TARZ monitors a single supply voltage with a precision threshold of 3.08V.
- Low Power Consumption: The device has a low supply current of 85µA max (VCC < 3.6 V, TA = 0°C to +70°C).
- Reset Output Configuration: Features an active-low RESET output with a push-pull, totem pole configuration.
- Reset Timeout: The active-low RESET output is held low for a minimum of 140ms after VCC rises above the threshold.
- Wide Operating Temperature Range: Operates from -40°C to +85°C, ensuring stable operation in various environmental conditions.
- Compact Packaging: Available in an 8-pin SOIC package, ideal for space-constrained applications.
Applications
- Microprocessor Systems: Ensures proper system reboot and critical system monitoring in microprocessor-based systems.
- Computers and Controllers: Used in computers, controllers, and intelligent instruments to monitor and manage power supply conditions.
- Automotive Systems: Suitable for automotive systems requiring reliable power monitoring and reset generation.
- Consumer Electronics and Industrial Control Systems: Applied in consumer electronics and industrial control systems for voltage monitoring and reset control.
- Telecommunications Equipment: Used in telecommunications equipment to ensure stable and reliable operation.
Q & A
- What is the primary function of the ADM709TARZ?
The primary function of the ADM709TARZ is to monitor the supply voltage and generate a system reset during power-up, power-down, and brownout conditions.
- What is the reset threshold voltage for the ADM709TARZ?
The reset threshold voltage for the ADM709TARZ is 3.08V.
- What is the reset output configuration of the ADM709TARZ?
The reset output configuration is active-low with a push-pull, totem pole configuration.
- What is the minimum reset timeout period for the ADM709TARZ?
The minimum reset timeout period is 140ms after VCC rises above the threshold.
- What is the operating temperature range of the ADM709TARZ?
The operating temperature range is from -40°C to +85°C.
- What package type is the ADM709TARZ available in?
The ADM709TARZ is available in an 8-pin SOIC package.
- What is the maximum supply current of the ADM709TARZ?
The maximum supply current is 200µA (VCC < 5.5 V, TA = –40°C to +85°C).
- Is the ADM709TARZ suitable for automotive systems?
Yes, the ADM709TARZ is suitable for automotive systems requiring reliable power monitoring and reset generation.
- Can the ADM709TARZ be used in consumer electronics?
Yes, the ADM709TARZ can be used in consumer electronics for voltage monitoring and reset control.
- What are the typical applications of the ADM709TARZ?
Typical applications include microprocessor systems, computers, controllers, intelligent instruments, and critical μP monitoring.
