DS1832S/T&R

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DS1832S/T&R

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IC SUPERVISOR 1 CHANNEL 8SOIC

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #DS1832S/T&R

  • Datenblatt DS1832S/T&R DataSheet

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Spezifikationen

Attribut Wert
Series MicroMonitor™
Part Status Active
Digi Key Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.55V, 2.88V
Output Push-Pull, Push-Pull
Reset Active High/Active Low
Reset Timeout 250ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number DS1832

Übersicht

Description

The DS1832S/T&R is a precision voltage supervisor designed for microprocessor power management. It monitors power supply levels to ensure safe operation of digital systems, preventing malfunctions during voltage transitions. Key features include dual voltage monitoring, adjustable reset thresholds, and a built-in watchdog timer to enhance system reliability.
The device is commonly used in applications requiring fault-tolerant operation, such as automotive, industrial, and consumer electronics. It provides outputs for both an active-low reset signal and a watchdog timeout indication, ensuring that the system can react appropriately to power failures or processor hangs.
The DS1832S/T&R is packaged in a compact 8-pin SOIC, making it suitable for space-constrained designs. Its low quiescent current and wide operating voltage range enhance its efficiency and versatility. Overall, the DS1832S/T&R is an essential component for designers seeking to improve the robustness and reliability of their electronic systems.

Equivalent

The DS1832S/T&R chip is a voltage supervisor and reset IC. Equivalent products include the MAX809, MAX810, and MCP100. Other alternatives are the LM393 (voltage comparator) and the LTC/LM8805 series. Always verify specifications such as voltage thresholds and reset delay times to ensure compatibility with your application.

Features

The DS1832S/T&R is a precision voltage supervisor designed for microprocessor and microcontroller applications. Key features include:
1. Dual Voltage Monitoring: It monitors two supply voltages, providing independent reset outputs.
2. Adjustable Reset Thresholds: The reset thresholds can be set using external resistors, allowing customization for various applications.
3. Active Low Outputs: Reset outputs are active low, suitable for interfacing with most logic systems.
4. Power-On Reset: The device ensures that the microcontroller powers up with stable voltages, preventing erratic behavior.
5. Temperature Range: Operates over a wide temperature range, typically from -40°C to +85°C.
6. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
7. Compact Package: Available in a small, space-saving package, facilitating integration into compact designs.
8. TTL-Compatible Outputs: Compatible with TTL logic levels, ensuring ease of use in various electronic circuits.
These features make the DS1832S/T&R suitable for applications in consumer electronics, automotive, and industrial systems.

Pinout

The DS1832S/T&R is a precision voltage reference and monitor with a total of 8 pins. Here’s a breakdown of its pin count and function:
1. VDD (Pin 1) - Supply voltage input.
2. GND (Pin 2) - Ground reference.
3. VREF (Pin 3) - Voltage reference output.
4. RESET (Pin 4) - Active low reset output.
5. SENSE (Pin 5) - Voltage sense input to monitor the supply voltage.
6. NMI (Pin 6) - Non-maskable interrupt output.
7. OV (Pin 7) - Over-voltage detection output.
8. UV (Pin 8) - Under-voltage detection output.
The device provides a stable voltage reference and monitors system voltages, generating reset and interrupt signals based on over-voltage or under-voltage conditions. It is commonly used in applications requiring precise voltage monitoring and system reset functions.

Manufacturer

The DS1832S/T&R is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic devices. Founded in 1930, TI is well-known for its innovations in analog and embedded processing technologies, serving markets such as automotive, industrial, communications, and consumer electronics.
The DS1832 is a voltage supervisor and reset IC that monitors power supply levels and ensures proper system operation by generating reset signals during power-up or power-down conditions. Texas Instruments is recognized for its commitment to quality and performance, making it a leading supplier in the semiconductor industry. The company also emphasizes research and development, continuously advancing its product offerings to meet the evolving needs of the global electronics market.

Application

The DS1832S/T&R is a precision voltage monitoring and reset IC primarily used in microprocessor and microcontroller applications. It is ideal for power-on reset and brownout detection, ensuring reliable system operation during voltage fluctuations. Common application areas include consumer electronics, automotive systems, telecommunications, and industrial control systems. Additionally, it can be utilized in battery-powered devices to prevent erratic behavior and data corruption during low voltage conditions. Its ability to provide a clean reset signal enhances system reliability across various electronic designs.

Package

The DS1832S/T&R is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). This compact surface-mount package is designed for high-density applications.

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