Processor Supervisors

Processor Supervisors are integrated circuits (ICs) which monitor microprocessors and microcontrollers (MCUs). It is essential that particular parameters are monitored by processor supervisors to ensure that these parameter boundaries are not exceeded. Exceeding some parameters can result in failure or even a dangerous result.


One of the primary things that a processor supervisor will monitor is voltage. For example, a supervisory circuit monitor may monitor voltages with a threshold of 1.6V to 5V. If the CPU’s circuit voltage falls outside of these limits, the supervisor would create an output signal, for example, a reset output.



What is the Microprocessor?


CPUs (central processing units) are computer processors which feature multiple functionalities within a single IC. Microprocessors are a type of CPU. They are a central processing unit which often forms the brains of a number of devices, such as computers. These are often crucial components within a circuit and therefore it is important to monitor them.



Types of Processor Supervisors:


  • Battery Monitors

  • Power Supply Monitors

  • Reset Circuit

  • Supervisory Circuit

  • Watchdog timer

Where are they used?


  • Computers

  • Laptops

  • Notebooks

  • Test & measurement instruments

  • Battery-powered devices

  • Power supplies

  • Automotive


...
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Description Price Number of Supervisors Output Driver Watchdog Timer Power Fail Detection Chip Enable Signals Nominal Monitored Voltage Mounting Type Package Type Pin Count Manual Reset Battery Backup Switching Maximum Reset Active Time Dimensions Height
RS Stock No. 850-7928
Mfr. Part No.ADM823TYRJZ-R7
$1.386
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 759-1768
Mfr. Part No.ADM708ARZ-REEL
$2.16
Each
units
1 - - - - - Surface Mount SOIC-8 8 Yes - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 159-7694
Mfr. Part No.ADM708ARZ-REEL
$2.109
Each (On a Reel of 2500)
units
1 - - - - - Surface Mount SOIC 8 Yes - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 158-0128
Mfr. Part No.ADM707ANZ
$2.663
Each (In a Tube of 50)
units
1 Active High, Active Low, Push-Pull - Yes - - Through Hole PDIP 8 Yes - 280ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 160-9935
Mfr. Part No.ADM823TYRJZ-R7
$1.37
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 538-4038
Mfr. Part No.ADM707ANZ
$2.68
Each
units
1 Active High, Active Low, Push-Pull - Yes - - Through Hole PDIP 8 Yes - 280ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 412-866
Mfr. Part No.ADM1232ARNZ
$2.738
Each (In a Pack of 5)
units
2 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOIC 8 Yes - 1000ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 145-6295
Mfr. Part No.ADM691ARZ
$3.348
Each (In a Tube of 47)
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Surface Mount SOIC 16 - Yes 70ms - 2.35mm
RS Stock No. 160-9932
Mfr. Part No.ADM6316CY29ARJZ-R7
$1.366
Each (On a Reel of 3000)
units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 161-0151
Mfr. Part No.ADM690ANZ
$3.057
Each (In a Tube of 50)
units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 70ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 877-9101
Mfr. Part No.ADM9690ARNZ
$4.70
Each (In a Pack of 2)
units
1 Active Low Yes Yes - 4.31V Surface Mount SOIC 8 - - 75ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 850-7912
Mfr. Part No.ADM6316CY29ARJZ-R7
$1.526
Each (In a Pack of 5)
units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 412-850
Mfr. Part No.ADM690ANZ
$3.506
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 70ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 160-2887
Mfr. Part No.ADM9690ARNZ
$4.718
Each (In a Tube of 98)
units
1 Active Low Yes Yes - 4.31V Surface Mount SOIC 8 - - 75ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 412-860
Mfr. Part No.ADM691ARZ
$3.234
Each (In a Pack of 5)
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Surface Mount SOIC 16 - Yes 70ms - 2.35mm
RS Stock No. 161-0152
Mfr. Part No.ADM1232ARNZ
$2.293
Each (In a Tube of 98)
units
2 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOIC 8 Yes - 1000ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 412-652
Mfr. Part No.ADM699ANZ
$3.348
Each (In a Pack of 5)
units
1 Active High, Active Low, Push-Pull Yes - - - Through Hole PDIP 8 - - 280ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 742-7733
Mfr. Part No.ADM809MARTZ-REEL7
$1.43
Each (On a Tape of 2)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 3.04 x 1.4 x 1.12mm 1.12mm
RS Stock No. 183-2450
Mfr. Part No.ADM708TARZ
$3.644
Each (In a Pack of 5)
units
1 Active High - Yes - 4.4V Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 160-4485
Mfr. Part No.ADM803RAKSZ-REEL7
$0.685
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SC-70 3 - - 840ms 2.2 x 1.35 x 1mm 1mm