Overview
The ADM810TARTZ-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. The ADM810 provides a reset output to hold the microprocessor in a reset state until the power supply conditions have stabilized.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Reset Threshold Voltage | 2.5 V, 3 V, 3.3 V, 5 V options | Varying temperature ranges |
| Reset Active Timeout Period | 140 ms to 460 ms | TA = −40°C to +125°C |
| Reset Output Type | Active High Push-Pull | |
| Reset Output Voltage Low | 0.3 V (VCC = VTH min, ISINK = 1.2 mA) | |
| Reset Output Voltage High | 0.8 VCC (VCC > VTH max, ISOURCE = 500 μA) | |
| Power Consumption | 17 μA | |
| Operating Temperature Range | −40°C to +125°C | |
| Package Type | 3-Lead SOT-23 (TO-236-3, SC-59) | |
| VCC Range | −0.3 V to +6 V |
Key Features
- Precision voltage monitoring with seven reset threshold voltage options.
- Low power consumption of 17 μA, suitable for low-power and portable equipment.
- Reset assertion down to 1 V VCC, ensuring the microprocessor remains in a reset state until stable power conditions are achieved.
- Internal timer holds reset asserted for 240 ms during power-up to ensure stable conditions.
- Push-pull reset output (ADM810) and open-drain output (ADM803) options.
- Built-in glitch immunity to protect against fast transients on VCC.
- Available in 3-lead SOT-23 and SC70 packages.
Applications
- Microprocessor systems.
- Computers.
- Controllers.
- Intelligent instruments.
Q & A
- What is the primary function of the ADM810TARTZ-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 available reset threshold voltage options for the ADM810? The ADM810 offers seven reset threshold voltage options: 2.5 V, 3 V, 3.3 V, and 5 V.
- What type of reset output does the ADM810 provide? The ADM810 provides an active high push-pull reset output.
- How long does the internal timer hold the reset asserted during power-up? The internal timer holds the reset asserted for 240 ms during power-up.
- What is the power consumption of the ADM810? The power consumption is 17 μA.
- What is the operating temperature range of the ADM810? The operating temperature range is −40°C to +125°C.
- In what packages is the ADM810 available? The ADM810 is available in 3-lead SOT-23 and SC70 packages.
- Does the ADM810 have built-in glitch immunity? Yes, the ADM810 features built-in glitch immunity to protect against fast transients on VCC.
- What is the minimum VCC at which the reset output remains operational? The reset output remains operational with VCC as low as 1 V.
- What is the typical reset output voltage low for the ADM810? The typical reset output voltage low is 0.3 V (VCC = VTH min, ISINK = 1.2 mA).
