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ADM812MART

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 Low RESET Output (ADM811)Logic High RESET Output (ADM812)Built-In Manual ResetAppl...

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SeekIC No. : 004276032 Detail

ADM812MART: 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...

ADM812MART Data Sheet

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Part Number:
ADM812MART
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 Low RESET Output (ADM811)
Logic High RESET Output (ADM812)
Built-In Manual Reset


Application

Microprocessor Systems Controllers Intelligent Instruments Automotive Systems Safety Systems Portable Instruments


Specifications

(Typical values are at TA = +25 C unless otherwise noted)
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
q JA 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 V 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 dan-ger that could be otherwise caused by an out-of-control or locked up system.




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