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 CPUs 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. 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. 523-9871
Mfr. Part No.ADM705ANZ
HK$16.69
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. 412-860
Mfr. Part No.ADM691ARZ
HK$31.40
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. 145-6295
Mfr. Part No.ADM691ARZ
HK$25.24
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. 471-449
Mfr. Part No.LTC1326CS8#PBF
HK$45.37
Each
units
3 - - - - - Surface Mount SOIC 8 - - - 5 x 3.99 x 1.48mm 1.48mm
RS Stock No. 761-9184
Mfr. Part No.LTC1726EMS8-5#PBF
HK$38.27
Each
units
3 Active Low, Open Drain Yes - - - Surface Mount MSOP 8 Yes - 155ms 3 x 3 x 0.86mm 0.86mm
RS Stock No. 145-6782
Mfr. Part No.ADM708RARZ
HK$15.40
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. 819-7111
Mfr. Part No.ADM803RAKSZ-REEL7
HK$6.20
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SC-70 3 - - 840ms 2.2 x 1.35 x 1mm 1mm
RS Stock No. 145-6589
Mfr. Part No.ADM706RARZ
HK$16.69
Each (In a Tube of 98)
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. 111-1911
Mfr. Part No.ADM705ARZ
HK$16.69
Each (In a Tube of 98)
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. 850-7912
Mfr. Part No.ADM6316CY29ARJZ-R7
HK$12.782
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. 412-591
Mfr. Part No.ADM708SARZ
HK$20.33
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. 159-7694
Mfr. Part No.ADM708ARZ-REEL
HK$11.315
Each (On a Reel of 2500)
units
1 - - - - - Surface Mount SOIC 8 Yes - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 877-9108
Mfr. Part No.ADM693AANZ
HK$37.57
Each (In a Pack of 2)
units
1 Active High, Active Low Yes Yes Yes - Through Hole PDIP 16 - Yes 280ms 21.33 x 7.11 x 5.33mm 5.33mm
RS Stock No. 158-0128
Mfr. Part No.ADM707ANZ
HK$16.69
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. 183-2275
Mfr. Part No.ADM708TARZ
HK$16.899
Each (In a Tube of 98)
units
1 Active High - Yes - 4.4V 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. 697-7662
Mfr. Part No.ADM6823ZYRJZ-RL7
HK$14.90
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 709-5213
Mfr. Part No.ADM709LANZ
HK$16.00
Each (In a Pack of 5)
units
1 Active Low, Push-Pull - - - - Through Hole PDIP 8 - - 380ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 159-7988
Mfr. Part No.ADM709LARZ
HK$12.92
Each (In a Tube of 98)
units
1 Active Low, Push-Pull - - - - Surface Mount SOIC 8 - - 380ms 5 x 4 x 1.5mm 1.5mm