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. 145-6295
Mfr. Part No.ADM691ARZ
HK$18.348
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. 523-9871
Mfr. Part No.ADM705ANZ
HK$13.929
Each (In a Tube of 50)
units
1 Active Low, Push-Pull Yes Yes - - Through Hole PDIP 8 Yes - 280ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 523-7392
Mfr. Part No.ADM705ANZ
HK$21.82
Each
units
1 Active Low, Push-Pull Yes Yes - - Through Hole PDIP 8 Yes - 280ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 412-860
Mfr. Part No.ADM691ARZ
HK$22.488
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. 183-1820
Mfr. Part No.ADM693ANZ
HK$19.433
Each (In a Tube of 25)
units
1 Active High, Active Low Yes Yes Yes 5V Through Hole PDIP 16 - Yes 70ms 21.33 x 7.11 x 4.95mm 4.95mm
RS Stock No. 145-0924
Mfr. Part No.LTC695CSW#PBF
HK$52.782
Each (In a Tube of 47)
units
1 Active Low, CMOS Yes Yes Yes - Surface Mount SOIC 16 Yes Yes 280ms 10.49 x 7.595 x 2.337mm 2.337mm
RS Stock No. 161-0143
Mfr. Part No.ADM699ANZ
HK$14.027
Each (In a Tube of 50)
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. 183-2450
Mfr. Part No.ADM708TARZ
HK$19.09
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. 161-0536
Mfr. Part No.ADM694ANZ
HK$14.851
Each (In a Tube of 50)
units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 280ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 145-6886
Mfr. Part No.ADM707ARZ
HK$14.284
Each (In a Tube of 98)
units
1 Active High, Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 168-4085
Mfr. Part No.ADM810JARTZ-REEL7
HK$10.043
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 2.9 x 1.3 x 1.02mm 1.02mm
RS Stock No. 160-4501
Mfr. Part No.ADM1816-10ARTZ-RL7
HK$6.223
Each (On a Reel of 3000)
units
1 Active High - - - - Surface Mount SOT-23 3 - - 250ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 160-9934
Mfr. Part No.ADM811RARTZ-REEL7
HK$6.506
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 3V Surface Mount SOT-143 4 Yes - 560ms 3.04 x 1.4 x 1.07mm 1.07mm
RS Stock No. 412-412
Mfr. Part No.ADM690AARNZ
HK$37.57
Each
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 - Yes 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 412-591
Mfr. Part No.ADM708SARZ
HK$17.40
Each (In a Pack of 5)
units
1 Active High, Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 412-664
Mfr. Part No.ADM691ANZ
HK$29.11
Each
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 16 - Yes 70ms 21.33 x 7.11 x 4.95mm 4.95mm
RS Stock No. 471-370
Mfr. Part No.LTC1326CS8-2.5#PBF
HK$38.79
Each
units
3 - - - - - Surface Mount SOIC 8 - - - 5 x 3.99 x 1.48mm 1.48mm
RS Stock No. 160-4506
Mfr. Part No.ADM6711TAKSZ-REEL7
HK$4.087
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount SC-70 4 Yes - 640ms 2.2 x 1.35 x 1mm 1mm
RS Stock No. 919-9487
Mfr. Part No.LTC2930IDD#PBF
HK$38.65
Each (In a Tube of 121)
units
6 Push-Pull - - - Adjustable Surface Mount DFN 12 Yes - - 3 x 3 x 0.7mm 0.7mm
RS Stock No. 850-7916
Mfr. Part No.ADM6320CZ29ARJZ-R7
HK$10.446
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