ADM709RAR
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Analog Devices Inc. ADM709RAR

Manufacturer No:
ADM709RAR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC SUPERVISOR 1 CHANNEL 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The ADM709RAR, produced by Analog Devices Inc., is a power supply monitor integrated circuit designed to generate a system reset during power-up, power-down, and brownout conditions. This component is crucial for ensuring the stability and reliability of microprocessor systems by monitoring the supply voltage and initiating a reset when the voltage falls below a specified threshold. The ADM709RAR is available in an 8-pin SOIC package and supports a range of supply voltage thresholds, making it versatile for various applications.

Key Specifications

ParameterValue
Package Type8-Pin SOIC
Reset Threshold Voltage2.63 V (R suffix)
Operating Temperature Range–40°C to +85°C
Quiescent Current35 µA
Power-On Reset Pulse Duration140 ms (min), 280 ms (typ), 380 ms (max)
Reset Output Voltage0.3 V (ISINK = 1.2 mA), 0.4 V (ISINK = 3.2 mA)
VCC to RESET Delay20 µs
RESET Active Time-Out Period140 ms to 380 ms

Key Features

  • Precision supply voltage monitor for +5 V, +3.3 V, and +3 V power supplies.
  • Low quiescent current of 35 µA.
  • 140 ms (min) power-on reset pulse.
  • Low cost and compact 8-pin DIP/SO packages.
  • Upgrade for MAX709.
  • RESET output remains operational with VCC as low as 1 V.

Applications

  • Microprocessor systems.
  • Computers and controllers.
  • Intelligent instruments.
  • Critical microprocessor monitoring.
  • Automotive systems.

Q & A

  1. What is the primary function of the ADM709RAR? The primary function is to monitor the power supply and generate a system reset during power-up, power-down, and brownout conditions.
  2. What are the available package types for the ADM709? The ADM709 is available in 8-pin DIP and SOIC packages.
  3. What is the reset threshold voltage for the ADM709RAR model? The reset threshold voltage for the ADM709RAR is 2.63 V.
  4. What is the operating temperature range of the ADM709RAR? The operating temperature range is –40°C to +85°C.
  5. How long does the power-on reset pulse last? The power-on reset pulse duration is a minimum of 140 ms, typically 280 ms, and a maximum of 380 ms.
  6. What is the quiescent current of the ADM709RAR? The quiescent current is 35 µA.
  7. Is the RESET output operational at low VCC levels? Yes, the RESET output remains operational with VCC as low as 1 V.
  8. What are some common applications of the ADM709RAR? Common applications include microprocessor systems, computers, controllers, intelligent instruments, and automotive systems.
  9. Can the ADM709RAR be used as an upgrade for other components? Yes, it can be used as an upgrade for the MAX709.
  10. What is the VCC to RESET delay time? The VCC to RESET delay time is 20 µs.

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:2.63V
Output:Push-Pull, Totem Pole
Reset:Active Low
Reset Timeout:140ms 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 ADM709RAR ADM709RARZ ADM709SAR ADM709TAR ADM706RAR ADM708RAR ADM709LAR ADM709MAR ADM709RAN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete 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 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 1 1 1 1
Voltage - Threshold 2.63V 2.63V 2.93V 3.08V 2.63V 2.63V 4.65V 4.4V 2.63V
Output Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Push-Pull Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole
Reset Active Low Active Low Active Low Active Low Active Low Active High/Active Low Active Low Active Low Active Low
Reset Timeout 140ms Minimum 140ms Minimum 140ms Minimum 140ms Minimum 160ms Minimum 160ms Minimum 140ms Minimum 140ms Minimum 140ms 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) -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 Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-PDIP

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