ADM706SARZ
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Analog Devices Inc. ADM706SARZ

Manufacturer No:
ADM706SARZ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC SUPERVISOR 1 CHANNEL 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADM706SARZ is a precision supply voltage supervisor IC produced by Analog Devices Inc. This component is designed to monitor power supply voltages and provide reset signals to microprocessors during power-up, power-down, and brownout conditions. It is particularly suited for applications requiring reliable power monitoring and reset functionality in 3 V or 3.3 V power supply systems.

Key Specifications

Parameter Min Typ Max Unit Test Conditions/Comments
Operating Voltage Range (VCC) 1.0 - 5.5 V -
Supply Current 100 150 350 μA VCC < 3.6 V, VCC < 5.5 V
Reset Threshold (VRST) 2.85 2.93 3.00 V ADM706S
Reset Threshold Hysteresis 20 - - mV -
Reset Pulse Width 160 200 280 ms VCC = 3 V to 5.5 V
Watchdog Timeout Period 1.00 1.60 2.25 sec VCC = 3.3 V
WDI Pulse Width 100 - - ns VRST (max) < VCC < 3.6 V
MR Input Threshold (VIL) 0.6 - - V VRST (max) < VCC < 3.6 V
MR to Reset Output Delay 750 - - ns VRST (max) < VCC < 3.6 V
Power Fail Input Threshold (PFI) 1.2 1.25 1.3 V VCC = 3 V

Key Features

  • Precision Supply Voltage Monitoring: The ADM706SARZ monitors supply voltages with precise thresholds (2.93 V for ADM706S) and generates a reset signal during power-up, power-down, and brownout conditions.
  • Low Quiescent Current: The IC operates with a quiescent current of 100 μA to 350 μA, depending on the VCC voltage.
  • Independent Watchdog Timer: Features a 1.6-second watchdog timeout period to ensure system reliability.
  • Debounced Manual Reset Input: The manual reset input (MR) is internally debounced and can be driven from TTL, CMOS logic, or a manual reset switch.
  • Power Fail Warning: Includes a 1.25 V threshold detector for power fail warning, low battery detection, or monitoring an additional power supply.
  • Reset Output: Provides an active low reset output that remains operational with VCC as low as 1 V.

Applications

  • Embedded Systems: Ideal for use in microprocessor-based systems that require reliable power monitoring and reset functionality.
  • Industrial Control Systems: Suitable for monitoring power supplies in industrial control systems where reliability is critical.
  • Medical Devices: Used in medical devices that require precise power monitoring to ensure system integrity.
  • Automotive Systems: Applicable in automotive systems where robust power monitoring is essential.

Q & A

  1. What is the primary function of the ADM706SARZ?

    The primary function of the ADM706SARZ is to monitor the supply voltage and generate a reset signal to the microprocessor during power-up, power-down, and brownout conditions.

  2. What are the reset threshold voltages for the ADM706SARZ?

    The reset threshold voltage for the ADM706SARZ is 2.93 V.

  3. What is the quiescent current of the ADM706SARZ?

    The quiescent current of the ADM706SARZ is 100 μA to 350 μA, depending on the VCC voltage.

  4. Does the ADM706SARZ have a watchdog timer?

    Yes, the ADM706SARZ features an independent watchdog timer with a 1.6-second timeout period.

  5. What is the purpose of the manual reset input (MR) on the ADM706SARZ?

    The manual reset input (MR) is used to generate a reset signal when taken below 0.6 V and is internally debounced for reliability.

  6. Can the reset output of the ADM706SARZ operate at low VCC voltages?

    Yes, the reset output of the ADM706SARZ remains operational with VCC as low as 1 V.

  7. What is the power fail input threshold for the ADM706SARZ?

    The power fail input threshold for the ADM706SARZ is 1.25 V.

  8. What are some typical applications of the ADM706SARZ?

    The ADM706SARZ is typically used in embedded systems, industrial control systems, medical devices, and automotive systems.

  9. How does the ADM706SARZ handle brownout conditions?

    The ADM706SARZ generates a reset signal during brownout conditions to ensure system reliability.

  10. What is the package type of the ADM706SARZ?

    The ADM706SARZ is available in an 8-lead SOIC package.

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:2.93V
Output:Push-Pull, Totem Pole
Reset:Active Low
Reset Timeout:160ms 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 ADM706SARZ ADM708SARZ ADM706TARZ ADM709SARZ ADM706ARZ ADM706PARZ ADM706RARZ ADM706SANZ ADM706SAR
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 Active Active Active Active Active Active Active 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 2.93V 2.93V 3.08V 2.93V 4.4V 2.63V 2.63V 2.93V 2.93V
Output Push-Pull, Totem Pole Push-Pull, Push-Pull Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole
Reset Active Low Active High/Active Low Active Low Active Low Active Low Active Low Active Low Active Low Active Low
Reset Timeout 160ms Minimum 160ms Minimum 160ms Minimum 140ms Minimum 160ms Minimum 160ms Minimum 160ms Minimum 160ms Minimum 160ms 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 Through Hole Surface Mount
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-DIP (0.300", 7.62mm) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-PDIP 8-SOIC

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