DS1232

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DS1232

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IC SUPERVISOR 1 CHANNEL 8DIP

  • Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp

  • Ông. Phần #DS1232

  • Có sẵn4178

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Thông số kỹ thuật

thuộc tính Giá trị
Series MicroMonitor™
Part Status Active
Digi Key Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 4.37V, 4.62V
Output Open Drain, Push-Pull
Reset Active High/Active Low
Reset Timeout Adjustable/Selectable
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Base Product Number DS1232

Tổng quan

Description

DS1232 is a microprocessor supervisory circuit designed to monitor power supply levels and ensure proper operation of microcontrollers and digital systems. It provides critical functions such as voltage supervision, manual reset, and watchdog timer capabilities. The DS1232 features a voltage monitoring threshold that helps detect under-voltage conditions, allowing the system to reset or generate a warning signal when the supply voltage falls below a preset level.
Additionally, the manual reset function enables users to initiate a reset of the connected microcontroller through an external switch. The watchdog timer helps prevent system lock-up by resetting the microcontroller if it fails to respond within a specified timeframe.
Operating over a wide voltage range, the DS1232 is suitable for various applications in consumer electronics, industrial control, and automotive systems. Its integration ensures reliability and stability, enhancing the performance of digital devices in fluctuating power environments. Overall, the DS1232 serves as a crucial component in maintaining system integrity and functionality.

Equivalent

Equivalent products to the DS1232 chip include the DS1233, DS1234, and DS1235. These devices are similar in function, providing reset and power supervision features for microcontrollers. Additionally, the MAX6369 and MAX6370 from Maxim Integrated can serve as alternatives, offering similar voltage monitoring and reset capabilities. Always check the specific data sheets for detailed specifications and compatibility.

Features

The DS1232 is a precision voltage supervisor and reset generator designed for microprocessor applications. Key features include:
1. Voltage Monitoring: It monitors power supply levels and asserts a reset signal if the voltage drops below a specified threshold, ensuring reliable system operation.
2. Adjustable Reset Threshold: The reset threshold voltage can be set using external resistors, allowing customization for different applications.
3. Active Low Reset Output: The reset output is active low, providing a clear indication of power failure.
4. Manual Reset Input: It includes a manual reset pin that allows users to trigger a reset on demand.
5. Wide Operating Voltage Range: The device operates within a range of 4.5V to 15V, making it suitable for various systems.
6. Fast Reset Response: The DS1232 features a fast reset response time, typically within milliseconds, ensuring prompt system recovery.
7. Low Supply Current: It has a low quiescent supply current, enhancing power efficiency in battery-operated devices.
These features make the DS1232 ideal for ensuring reliable operation in sensitive electronic systems.

Pinout

The DS1232 is a dual-window voltage detector with a total of 8 pins. Here are the pin counts and their functions:
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference.
3. RESET (Pin 3): Active-low reset output; goes low when the voltage exceeds the upper threshold or drops below the lower threshold.
4. RESET (Pin 4): Another active-low reset output, can be used for cascading multiple devices.
5. VTH+ (Pin 5): Upper threshold voltage setting input.
6. VTH- (Pin 6): Lower threshold voltage setting input.
7. NMI (Pin 7): Non-Maskable Interrupt output; used for signaling critical conditions.
8. NC (Pin 8): No connection; can be left unconnected.
The DS1232 is used primarily for monitoring supply voltage levels to prevent system malfunctions due to voltage fluctuations.

Manufacturer

The DS1232 is manufactured by Texas Instruments (TI), a leading global semiconductor company headquartered in Dallas, Texas. Texas Instruments designs and produces a wide range of analog and digital semiconductor products, including integrated circuits (ICs), microcontrollers, and processors. The company is known for its innovative technologies and solutions in various sectors, including automotive, industrial, communications, and consumer electronics. TI plays a significant role in the development of electronic components that improve the performance and efficiency of electronic systems. The DS1232 specifically is a precision voltage supervisor and reset circuit, widely used in applications requiring reliable power management and system stability. Texas Instruments has a strong reputation in the semiconductor industry and is recognized for its commitment to research and development, quality, and customer support.

Application

The DS1232 is a digital watchdog timer and reset generator primarily used in microprocessor applications. Its key areas include:
1. Microcontroller Systems: Ensures proper operation by resetting the system if it becomes unresponsive.
2. Embedded Systems: Protects against power supply fluctuations, ensuring reliable performance.
3. Data Acquisition Systems: Maintains system integrity by providing resets during anomalies.
4. Communication Equipment: Supports stable operation by monitoring system health.
5. Consumer Electronics: Enhances reliability in devices like PCs and appliances.
Overall, the DS1232 is essential for improving system reliability and recovery in various electronic applications.

Package

The DS1232 is typically available in a 16-pin dual-in-line package (DIP) and a surface-mount package (SOIC). These packages facilitate easy integration into electronic circuits for voltage supervision and reset applications.

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