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ADM708

Features: Guaranteed RESET</a>Valid with VCC= 1V190 A Quiescent CurrentPrecision Supply-Voltage Monitor-4.65 V (ADM705/ADM707)-4.40 V (ADM706/ADM708)200 ms Reset PulsewidthDebounced TTL/CMOS Manual Reset Input (MR</a>)Independent Watchdog Timer-1.6 sec Timeout (ADM705/ADM706)Active Hig...

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SeekIC No. : 004275980 Detail

ADM708: Features: Guaranteed RESET</a>Valid with VCC= 1V190 A Quiescent CurrentPrecision Supply-Voltage Monitor-4.65 V (ADM705/ADM707)-4.40 V (ADM706/ADM708)200 ms Reset PulsewidthDebounced TTL/CMOS M...

ADM708 Data Sheet

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Part Number:
ADM708
Supply Ability:
5000

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

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Product Details

Description



Features:

Guaranteed  RESET</a>  Valid with VCC = 1V
190 A Quiescent Current
Precision Supply-Voltage Monitor
-4.65 V (ADM705/ADM707)
-4.40 V (ADM706/ADM708)
200 ms Reset Pulsewidth
Debounced TTL/CMOS Manual Reset Input (MR</a>)
Independent Watchdog Timer-1.6 sec Timeout (ADM705/ADM706)
Active High Reset Output (ADM707/ADM708)
Voltage Monitor for Power-Fail or Low Battery Warning
Superior Upgrade for MAX705MAX708
Also Available in MicroSOIC Packages




Application

-Microprocessor Systems
-Computers
-Controllers
-Intelligent Instruments
-Critical P Monitoring
-Automotive Systems
-Critical P Power Monitoring



Specifications

(TA= 25°C unless otherwise noted)
VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to +6 V
All Other Inputs . . . . . . . . . . . . . .  . . .0.3 V to VCC + 0.3 V
Input Current
   VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 mA
    GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 mA
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . .20 mA
Power Dissipation, N-8 DIP . . . . . . . . . . . . . . . . . . . .727 mW
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . .135°C/W
Power Dissipation, SO-8 SOIC . . . . . . . . . . . .. . . . . .470 mW
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . .110°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . .40°C to +85°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . .300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . .215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220°C
Storage Temperature Range . . . . . . . . . .65°C to +150°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>5 kV


Description

The ADM705ADM708 are low cost  P supervisory circuits. ADM705ADM708 are suitable for monitoring the 5 V power supply/battery and can also monitor microprocessor activity.The ADM705/ADM706 provide the following functions: 1.Power-On Reset output during power-up, power-down and brownout conditions. The RESET</a> output remains opera-tional with VCC  as low as 1V.2.Independent watchdog timeout, WDO</a>, that goes low if thewatchdog input has not been toggled within 1.6 seconds.3.A 1.25 V threshold detector for power-fail warning, low battery detection or to monitor a power supply other than 5V.4.An active low debounced manual reset input (MR</a>).The ADM707/ADM708 differ in that:1.A watchdog timer function is not available.2.An active high reset output in addition to the active low output is available.

Two supply-voltage monitor levels of ADM705ADM708 are available. The ADM705/ADM707 generate a reset when the supply voltage falls below 4.65 V, while the ADM706/ADM708 require that the supply fall below 4.40 V before a reset is issued.

All parts of ADM705ADM708 are available in 8-lead DIP and SOIC packages. The ADM707 and ADM708 are also available in space-saving microSOIC packages.




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