| Allicdata Part #: | ADM691ARZ-ND |
| Manufacturer Part#: |
ADM691ARZ |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Analog Devices Inc. |
| Short Description: | IC SUPER MPU 4.65 250MA 16SOIC |
| More Detail: | Supervisor Open Drain, Push-Pull 1 Channel 16-SOIC |
| DataSheet: |  ADM691ARZ Datasheet/PDF |
| Quantity: | 555 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | Battery Backup Circuit |
| Number of Voltages Monitored: | 1 |
| Output: | Open Drain, Push-Pull |
| Reset: | Active High/Active Low |
| Reset Timeout: | 35 ms Minimum |
| Voltage - Threshold: | 4.65V |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package: | 16-SOIC |
| Base Part Number: | ADM691 |
Description
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The ADM691ARZ is a popular chip for power supply supervisors and monitoring circuits. It is ideal for battery-operated systems, because it can help monitor the supply voltage for overvoltage or undervoltage and help prevent damage or malfunction. It can also be used as a power-on reset circuit, providing a potentially essential safety feature. In this article, we\'ll learn more about the many applications and working principles of the ADM691ARZ.The ADM691ARZ is a three-terminal, window comparator-type supervisor and power-on reset device. It provides a single monitoring and reset output and an adjustable reset window voltage. Its voltage range is 4.5 to 16V, allowing it to monitor a wide variety of supply voltages. In addition, the device has an active-lows reset signal, which can be easily re-programmed through external resistors.The ADM691ARZ can be used in both linear and switching power supplies. In linear power supplies, it is used to monitor the output voltage and trip the reset signal at a pre-defined under- and over-voltage limit. In switching power supplies, it is mainly used to detect short-duration power supply problems and reset the system if a disabling fault condition is encountered.The device works in either supervisory or power-on reset mode. In supervisory mode, the ADM691ARZ constantly monitors the supply voltage and will trip the reset signal if it drops below or rises above the preset limits. In power-on reset mode, the reset signal will be triggered when the supply voltage reaches the preset level and then stays within the preset window.In both modes, the ADM691ARZ has an active-low reset signal, allowing it to be connected directly to a microcontroller’s reset pin. In addition, the reset input is highly immune to spurious triggering, enabling the device to avoid false alarms. Due to its features and ease-of-use, the ADM691ARZ is suitable for a wide range of applications, including cell phones, tablet computers, laptops, and embedded systems. It is also an ideal choice for automotive electronics and industrial systems.To sum up, the ADM691ARZ is a versatile solution for power supply supervisors and monitoring circuits. It can be used in both linear and switching power supplies, and its adjustable reset window allows it to handle a wide range of supply voltages. In addition, its active-low reset signal and its robust triggering immunity make it suitable for a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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