ADM1232ARN
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Analog Devices Inc. ADM1232ARN

Manufacturer No:
ADM1232ARN
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC SUPERVISOR 1 CHANNEL 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The ADM1232ARN from Analog Devices Inc. is a microprocessor supervisory circuit designed to monitor and protect microprocessors from various failure conditions. This IC is pin-compatible with the MAX1232, DS1232LP, and DS1232, making it a versatile option for a wide range of applications. It operates over a temperature range of −40°C to +85°C, ensuring reliability in diverse environmental conditions.

Key Specifications

ParameterValue
Package Type8-lead narrow body SOIC
Operating Temperature−40°C to +85°C
VCC Maximum Rating5.5 V
Logic Inputs Range−0.3 V to VCC + 0.3 V
Storage Temperature Range−65°C to +150°C
Lead Temperature (Soldering, 10 sec)300°C
Reset Timeout250 ms (minimum)
Strobe Pulse Width DetectionAs narrow as 20 ns
Tolerance Input5% or 10% selectable
Reset OutputsActive High and Active Low

Key Features

  • Detects microprocessor supply voltage drops and generates a reset if the voltage falls below the set tolerance level.
  • Monitors for microprocessor lock-up or external interrupt conditions.
  • Selectable strobe timeout periods (62.5 ms, 150 ms, 250 ms, etc.) based on the TD pin configuration.
  • Adjustable tolerance levels (5% or 10%) for supply voltage monitoring.
  • Active High and Active Low reset outputs.
  • No external components required for operation.

Applications

  • Portable equipment
  • Computers
  • Controllers
  • Intelligent instruments
  • Automotive systems
  • Protection against damage caused by microprocessor failure

Q & A

  1. What is the primary function of the ADM1232ARN? The primary function is to monitor the microprocessor supply voltage and generate a reset if the voltage drops below a specified tolerance level.
  2. What are the operating temperature ranges for the ADM1232ARN? The operating temperature range is −40°C to +85°C.
  3. What types of reset outputs does the ADM1232ARN provide? It provides both Active High and Active Low reset outputs.
  4. How does the tolerance input work on the ADM1232ARN? The tolerance input allows for selecting either a 5% or 10% tolerance level for supply voltage monitoring by connecting it to GND or VCC, respectively.
  5. What is the minimum strobe pulse width that the ADM1232ARN can detect? The minimum strobe pulse width detectable is 20 ns.
  6. What are the typical applications of the ADM1232ARN? Typical applications include portable equipment, computers, controllers, intelligent instruments, and automotive systems.
  7. Is the ADM1232ARN pin-compatible with other devices? Yes, it is pin-compatible with the MAX1232, DS1232LP, and DS1232.
  8. What is the package type of the ADM1232ARN? The package type is an 8-lead narrow body SOIC.
  9. What is the maximum VCC rating for the ADM1232ARN? The maximum VCC rating is 5.5 V.
  10. Does the ADM1232ARN require any external components for operation? No, it does not require any external components for operation.

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:Adjustable/Selectable
Output:Open Drain, 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
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Similar Products

Part Number ADM1232ARN ADM1232ARNZ ADM1232ARW ADM1232AN ADM1232ARM
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete
Type Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset
Number of Voltages Monitored 1 1 1 1 1
Voltage - Threshold Adjustable/Selectable Adjustable/Selectable Adjustable/Selectable Adjustable/Selectable Adjustable/Selectable
Output Open Drain, Push-Pull Open Drain, Push-Pull Open Drain, Push-Pull Open Drain, Push-Pull Open Drain, Push-Pull
Reset Active High/Active Low Active High/Active Low Active High/Active Low Active High/Active Low Active High/Active Low
Reset Timeout 250ms Minimum 250ms Minimum 250ms Minimum 250ms Minimum 250ms Minimum
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 16-SOIC (0.295", 7.50mm Width) 8-DIP (0.300", 7.62mm) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-SOIC 8-SOIC 16-SOIC 8-PDIP 8-MSOP

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