Overview
The ADM809TARTZ-REEL7 is a microprocessor supervisory circuit produced by Analog Devices Inc. This component is designed to monitor the power supply voltage in microprocessor systems, ensuring reliable operation during power-up, power-down, and brownout conditions. It provides a reset output to hold the microprocessor in a reset state until stable conditions are achieved.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Operating Voltage Range | 1.0 V to 5.5 V | TA = -40°C to 150°C |
| Supply Current | 17 μA to 60 μA | VCC < 5.5 V, TA = -40°C to 150°C |
| Reset Threshold Voltage | ADM809-5L: 4.40 V to 4.86 V ADM809-5S: 2.78 V to 3.08 V | TA = -40°C to 150°C |
| Reset Active Timeout Period | 30 ms to 80 ms | TA = -40°C to 150°C |
| Reset Output Voltage Low | 0.3 V to 0.4 V | VCC > 1.0 V, ISINK = 50 μA |
| Reset Output Voltage High | 0.8 VCC | VCC > VTH maximum, ISOURCE = 500 μA |
| Junction Temperature | -40°C to 150°C | |
| Package Type | SOT-23-3 |
Key Features
- Precision voltage monitoring with options for 3 V and 5 V.
- Low power consumption: 17 μA.
- Reset assertion down to 1 V VCC.
- Logic low RESET output.
- Internal timer for 55 ms minimum power-on reset.
- Glitch immunity on the reset comparator.
- Available in SOT-23 and SC70 packages.
Applications
- Microprocessor systems.
- Computers and controllers.
- Intelligent instruments.
- Automotive systems.
Q & A
- What is the primary function of the ADM809TARTZ-REEL7?
The primary function is to monitor the power supply voltage in microprocessor systems and provide a reset output during power-up, power-down, and brownout conditions.
- What are the operating voltage ranges for the ADM809-5L and ADM809-5S?
The operating voltage range is 1.0 V to 5.5 V for both models.
- How much current does the ADM809TARTZ-REEL7 consume?
The supply current is between 17 μA and 60 μA, depending on the VCC and temperature conditions.
- What are the reset threshold voltages for the ADM809-5L and ADM809-5S?
The reset threshold voltage for ADM809-5L is 4.40 V to 4.86 V, and for ADM809-5S, it is 2.78 V to 3.08 V.
- What is the reset active timeout period?
The reset active timeout period is between 30 ms and 80 ms.
- What package types are available for the ADM809TARTZ-REEL7?
The component is available in SOT-23 and SC70 packages.
- What is the junction temperature range for the ADM809TARTZ-REEL7?
The junction temperature range is -40°C to 150°C.
- Does the ADM809TARTZ-REEL7 have built-in glitch immunity?
- What are some common applications of the ADM809TARTZ-REEL7?
- How is the ADM809TARTZ-REEL7 packaged?
