Overview
The MAX809SN160T1G, produced by onsemi, is a part of the MAX809 series of microprocessor reset supervisory circuits. These devices are designed to monitor the power supplies in digital systems and provide a reset signal to the processor without the need for any external components. The MAX809SN160T1G is particularly suited for applications requiring precise VCC monitoring and low supply current, making it ideal for battery-powered devices and other power-sensitive applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply Voltage (VCC to GND) | VCC | -0.3 | - | 6.0 | V |
| Supply Current (VCC = 3.3 V) | ICC | - | 0.5 | - | μA |
| Detector Voltage Threshold | VTH | 1.58 | - | 1.68 | V |
| Reset Active TimeOut Period | tRP | 1.0 | - | 140 | ms |
| Operating Temperature | TA | -40 | - | 105 | °C |
| RESET Output Voltage Low (No Load) | VOL | - | 0.3 | - | V |
| RESET Output Voltage High (No Load) | VOH | - | 0.8 VCC | - | V |
Key Features
- Precision VCC Monitor for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies
- Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps
- Four Guaranteed Minimum Power-On Reset Pulse Width Available (1 ms, 20 ms, 100 ms, and 140 ms)
- RESET Output Guaranteed to VCC = 1.0 V
- Low Supply Current of 0.5 μA (VCC = 3.2 V)
- Compatible with Hot Plug Applications
- VCC Transient Immunity
- No External Components Required
- Wide Operating Temperature: -40°C to 105°C
- Pb-Free and RoHS Compliant
Applications
- Computers
- Embedded Systems
- Battery Powered Equipment
- Critical Microprocessor Power Supply Monitoring
The MAX809SN160T1G is particularly useful in applications where precise voltage monitoring and low power consumption are critical, such as in battery-powered devices and embedded systems.
Q & A
- What is the primary function of the MAX809SN160T1G?
The MAX809SN160T1G is a microprocessor reset supervisory circuit designed to monitor the power supply voltage (VCC) and provide a reset signal to the processor when necessary.
- What is the typical supply current of the MAX809SN160T1G?
The typical supply current is 0.5 μA at VCC = 3.2 V.
- What are the available reset timeout periods for the MAX809SN160T1G?
The available reset timeout periods are 1 ms, 20 ms, 100 ms, and 140 ms.
- What is the operating temperature range of the MAX809SN160T1G?
The operating temperature range is -40°C to 105°C.
- Is the MAX809SN160T1G compatible with hot plug applications?
- Does the MAX809SN160T1G require any external components?
No, the MAX809SN160T1G does not require any external components.
- What is the detector voltage threshold for the MAX809SN160T1G?
The detector voltage threshold is between 1.58 V and 1.68 V.
- How does the MAX809SN160T1G handle VCC transients?
The MAX809SN160T1G has built-in VCC transient immunity and can reject negative-going transients (glitches) on the power supply line.
- Is the MAX809SN160T1G Pb-Free and RoHS compliant?
- What are some typical applications for the MAX809SN160T1G?
Typical applications include computers, embedded systems, battery-powered equipment, and critical microprocessor power supply monitoring.
