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ADM811

Features: Superior Upgrade for MAX811/MAX812Specified Over TemperatureLow Power Consumption (5 A Typ)Precision Voltage Monitor: +3 V, +3.3 V, +5 V OptionsReset Assertion Down to 1 V VCC140 ms Min Power-On ResetLogic LowRESET Output (ADM811)Logic High RESET Output (ADM812)Built-In Manual ResetAppli...

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SeekIC No. : 004276025 Detail

ADM811: Features: Superior Upgrade for MAX811/MAX812Specified Over TemperatureLow Power Consumption (5 A Typ)Precision Voltage Monitor: +3 V, +3.3 V, +5 V OptionsReset Assertion Down to 1 V VCC140 ms Min Po...

ADM811 Data Sheet

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Part Number:
ADM811
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Superior Upgrade for MAX811/MAX812
Specified Over Temperature
Low Power Consumption (5 A Typ)
Precision Voltage Monitor: +3 V, +3.3 V, +5 V Options
Reset Assertion Down to 1 V VCC
140 ms Min Power-On Reset
Logic LowRESET Output (ADM811)
Logic High RESET Output (ADM812)
Built-In Manual Reset




Application

Microprocessor Systems
Controllers
Intelligent Instruments
Automotive Systems
Safety Systems
Portable Instruments




Pinout

ADM811 Diagram

Connection Diagram




Specifications

# of Monitored Voltages 1
Backup-Battery Switch No
Manual Reset Capability Yes
Package SOT
Reset Threshold Summary 6 Options--2.32 to 4.63V
Reset Output-Stage Active-Low/Push-Pull
Min Reset Timeout (ms) 140
Watchdog Timer No


Terminal Voltage (With Respect to Ground)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..0.3 V to +6 V
All Other Inputs . . . . . . . . . . . . . . . ..0.3 V to VCC + 0.3 V
Input Current
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..20 mA
MR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. 20 mA
Output Current
RESET, RESET . . . . . . . . . . . . . . . . . . . . . . . . . . .... 20 mA
Power Dissipation (TA = +70°C)
RT-4, SOT-143 . . . . . . . . . . . . . . . . . . . . . . . . ... . 200 mW
Derate by 4 mW/°C above +70°C
qJA Thermal Impedance . . . . . . . . . . . . . . . . . . .. 330°C/W
Operating Temperature Range . . . . . . . . .40°C to +85°C
Storage Temperature Range . . . . . . . . . 65°C to +160°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . .+300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 kV




Description

The ADM811/ADM812 are reliable voltage monitoring devices suitable for use in most voltage monitoring applications.

The ADM811/ADM812 are designed to monitor five different voltages, each allowing for a 5% or 10% degradation of standard PSU voltages before a reset occurs. These voltages have been selected for the effective monitoring of +3 V, +3.3 V and +5 supply voltage levels.

Included in this circuit is a debounced Manual Reset input. Reset can be activated using an electrical switch (or an input from another digital device) or by a degradation of the supply voltage. The Manual Reset function is very useful especially if the circuit in which the ADM811/ADM812 is operating enters into a state that can only be detected by the user. Allowing the user to manually reset a system can reduce the damage or danger that could be otherwise caused by an out-of-control or locked up system.






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