DS1232N

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IC SUPERVISOR 1 CHANNEL 8DIP

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #DS1232N

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Especificações

Atributo Valor
Series MicroMonitor™
Part Status Obsolete
Base Product Number DS1232
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Voltage - Threshold 4.37V, 4.62V
Output Open Drain, Push-Pull
Reset Active High/Active Low
Reset Timeout Adjustable/Selectable
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Through Hole
Package 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Packaging Tube
Number of Voltages Monitored 1

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Description

The DS1232N is a low-power, precision voltage supervisor and reset IC designed primarily for microcontroller applications. It monitors the supply voltage levels to ensure they remain within specified limits, preventing improper operation and potential data corruption. The device features a reset output that activates when the power supply voltage drops below a set threshold, typically around 4.65V, and remains active until the voltage rises above the reset threshold, ensuring a stable power-on reset condition.
Key features of the DS1232N include programmable reset delay, a low supply current of approximately 1 µA, and a wide operating temperature range. It is available in various package options, making it suitable for diverse applications, from consumer electronics to industrial systems. The integration of a watchdog timer in some configurations enhances system reliability by resetting the microcontroller if it becomes unresponsive. Overall, the DS1232N is a crucial component for ensuring the reliability and stability of electronic systems.

Equivalent

The DS1232N chip is a microprocessor supervisory circuit. Equivalent products include the TL7705, MCP100, and MAX809. These alternatives provide similar functions such as reset generation and voltage monitoring. For specific applications, consider variations in reset thresholds and features. Always consult the datasheets to ensure compatibility with your design requirements.

Features

The DS1232N is a dual voltage supervisor and reset IC designed for microprocessor applications. Key features include:
1. Precision Voltage Monitoring: Monitors +5V and +3.3V power supplies, ensuring proper operation of digital circuits.
2. Reset Timing: Provides adjustable reset timing with a built-in timing capacitor, enabling custom delays before reset assertion.
3. Active Low Output: The reset output is active low, making it suitable for various logic families.
4. Debounced Reset: Ensures clean reset signals by eliminating voltage transients.
5. Low Power Consumption: Operates with minimal power, enhancing system efficiency.
6. Temperature Range: Functional over a wide temperature range (typically -40°C to +85°C).
7. Compact Package: Available in various packages, including 8-DIP and surface-mount options, facilitating easy integration into designs.
These features make the DS1232N ideal for applications requiring reliable voltage monitoring and reset functionality in embedded systems.

Pinout

The DS1232N is a dual voltage supervisor and reset controller commonly used in microcontroller applications. It features a total of 8 pins. The pin configuration and their functions are as follows:
1. GND: Ground.
2. VCC: Supply voltage (typically +5V).
3. RESET: Active-low reset output; goes low when VCC is below the specified threshold.
4. RESET: Another reset output, which can be used for different voltage levels or conditions.
5. NMI: Non-Maskable Interrupt output; triggers an interrupt under specific conditions.
6. VTX: Voltage threshold adjust pin, used to set the reset threshold voltage.
7. RST: Reset input pin; can be used to manually reset the system.
8. VREF: Reference voltage output; provides a stable reference for other components.
The DS1232N is primarily used to ensure proper system operation during power fluctuations, providing reset signals and supervisory functions for microcontrollers and other digital devices.

Manufacturer

The DS1232N is manufactured by Maxim Integrated, a company known for its innovative analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated designs and produces a wide range of semiconductor products, including data converters, amplifiers, sensors, and power management solutions.
Maxim serves various markets such as automotive, industrial, communications, and consumer electronics, focusing on high-performance and highly integrated solutions. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a major player in the semiconductor industry that specializes in analog, mixed-signal, and digital signal processing (DSP) technologies. This acquisition has further expanded Analog Devices' product offerings and market reach.
The DS1232N itself is a precision voltage supervisor designed for monitoring power supply levels and providing reset signals in electronic systems, making it essential for ensuring the reliable operation of microcontrollers and other digital devices.

Application

The DS1232N is primarily used in applications requiring precision voltage reference and reset functions. Key areas include:
1. Microcontroller Reset Circuits: Ensures microcontrollers reset during power-up, power-down, or brownout conditions.
2. Voltage Monitoring: Monitors supply voltage to protect sensitive digital circuits.
3. Data Acquisition Systems: Provides stable reference voltages for ADCs and DACs.
4. Consumer Electronics: Used in devices that require reliable reset sequences.
5. Communication Equipment: Ensures system stability in networking devices.
6. Automotive Systems: Employed in automotive electronics for safety and reliability.
Overall, it enhances circuit reliability and performance across various electronic applications.

Package

The DS1232N is typically available in a dual-in-line package (DIP), specifically the 8-pin DIP package, which allows for easy integration into various electronic circuits.

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